diff --git a/libs/horizon/src/dom/DOMExternal.ts b/libs/horizon/src/dom/DOMExternal.ts
index e9404cb7..077d0801 100644
--- a/libs/horizon/src/dom/DOMExternal.ts
+++ b/libs/horizon/src/dom/DOMExternal.ts
@@ -1,13 +1,13 @@
 import {
-  asyncUpdates, createVNode, getFirstCustomDom,
+  asyncUpdates, getFirstCustomDom,
   syncUpdates, startUpdate,
+  createTreeRootVNode,
 } from '../renderer/Renderer';
 import {createPortal} from '../renderer/components/CreatePortal';
 import type {Container} from './DOMOperator';
 import {isElement} from './utils/Common';
 import {listenDelegatedEvents} from '../event/EventBinding';
 import {findDOMByClassInst} from '../renderer/vnode/VNodeUtils';
-import {TreeRoot} from '../renderer/vnode/VNodeTags';
 import {Callback} from '../renderer/UpdateHandler';
 
 function createRoot(children: any, container: Container, callback?: Callback) {
@@ -19,7 +19,7 @@ function createRoot(children: any, container: Container, callback?: Callback) {
   }
 
   // 调度器创建根节点，并给容器dom赋vNode结构体
-  const treeRoot = createVNode(TreeRoot, container);
+  const treeRoot = createTreeRootVNode(container);
   container._treeRoot = treeRoot;
 
   // 根节点挂接全量事件
diff --git a/libs/horizon/src/dom/DOMInternalKeys.ts b/libs/horizon/src/dom/DOMInternalKeys.ts
index 2be5522e..6ddbdb5b 100644
--- a/libs/horizon/src/dom/DOMInternalKeys.ts
+++ b/libs/horizon/src/dom/DOMInternalKeys.ts
@@ -19,7 +19,6 @@ const prefix = '_horizon';
 const internalKeys = {
   VNode: `${prefix}VNode`,
   props: `${prefix}Props`,
-  events: `${prefix}Events`,
   nonDelegatedEvents: `${prefix}NonDelegatedEvents`,
 };
 
@@ -58,6 +57,7 @@ export function getNearestVNode(dom: Node): null | VNode {
   if (vNode) { // 如果是已经被框架标记过的 DOM 节点，那么直接返回其 VNode 实例
     return vNode;
   }
+
   // 下面处理的是为被框架标记过的 DOM 节点，向上找其父节点是否被框架标记过
   let parentDom = dom.parentNode;
   let nearVNode = null;
@@ -82,20 +82,11 @@ export function updateVNodeProps(dom: Element | Text, props: Props): void {
   dom[internalKeys.props] = props;
 }
 
-export function getEventListeners(dom: EventTarget): Set<string> {
-  let elementListeners = dom[internalKeys.events];
-  if (!elementListeners) {
-    elementListeners = new Set();
-    dom[internalKeys.events] = elementListeners;
-  }
-  return elementListeners;
-}
-
-export function getEventToListenerMap(target: EventTarget): Map<string, EventListener> {
-  let eventsMap = target[internalKeys.nonDelegatedEvents];
+export function getNonDelegatedListenerMap(dom: Element | Text): Map<string, EventListener> {
+  let eventsMap = dom[internalKeys.nonDelegatedEvents];
   if (!eventsMap) {
     eventsMap = new Map();
-    target[internalKeys.nonDelegatedEvents] = eventsMap;
+    dom[internalKeys.nonDelegatedEvents] = eventsMap;
   }
   return eventsMap;
 }
diff --git a/libs/horizon/src/dom/DOMOperator.ts b/libs/horizon/src/dom/DOMOperator.ts
index cc023da9..969219f0 100644
--- a/libs/horizon/src/dom/DOMOperator.ts
+++ b/libs/horizon/src/dom/DOMOperator.ts
@@ -226,15 +226,6 @@ export function unHideDom(tag: string, dom: Element | Text, props: Props) {
   }
 }
 
-export function clearContainer(container: Container): void {
-  if (isElement(container)) {
-    container.textContent = '';
-  }
-  if (isDocument(container) && container.body != null) {
-    container.body.textContent = '';
-  }
-}
-
 export function prePortal(portal: Element): void {
   listenDelegatedEvents(portal);
 }
diff --git a/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts b/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
index 5ec79c33..482a15a9 100644
--- a/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
+++ b/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
@@ -14,8 +14,11 @@ function updateOneProp(dom, propName, isNativeTag, propVal?, isInit?: boolean) {
   } else if (propName === 'dangerouslySetInnerHTML') {
     dom.innerHTML = propVal.__html;
   } else if (propName === 'children') { // 只处理纯文本子节点，其他children在VNode树中处理
-    if (typeof propVal === 'string' || typeof propVal === 'number') {
-      dom.textContent = String(propVal);
+    const type = typeof propVal;
+    if (type === 'string') {
+      dom.textContent = propVal;
+    } else if (type === 'number') {
+      dom.textContent = propVal + ''; // 这种数字转字符串的方式效率最高
     }
   } else if (isEventProp(propName)) {
     // 事件监听属性处理
diff --git a/libs/horizon/src/dom/utils/Common.ts b/libs/horizon/src/dom/utils/Common.ts
index dd836240..8de8f7c4 100644
--- a/libs/horizon/src/dom/utils/Common.ts
+++ b/libs/horizon/src/dom/utils/Common.ts
@@ -5,7 +5,7 @@ import {Props} from '../DOMOperator';
  * 获取当前聚焦的 input 或者 textarea 元素
  * @param doc 指定 document
  */
-export function getFocusedDom(doc?: Document): HorizonDom | void {
+export function getFocusedDom(doc?: Document): HorizonDom | null {
   let currentDocument;
   if (doc) {
     currentDocument = doc;
diff --git a/libs/horizon/src/dom/utils/DomCreator.ts b/libs/horizon/src/dom/utils/DomCreator.ts
index 360aea81..9d89ef5f 100644
--- a/libs/horizon/src/dom/utils/DomCreator.ts
+++ b/libs/horizon/src/dom/utils/DomCreator.ts
@@ -5,6 +5,13 @@ export const NSS = {
   svg: 'http://www.w3.org/2000/svg',
 };
 
+const div = document.createElement('div');
+const span = document.createElement('span');
+const tr = document.createElement('tr');
+const td = document.createElement('td');
+const a = document.createElement('a');
+const p = document.createElement('p');
+
 // 创建DOM元素
 export function createDom(
   tagName: string,
@@ -16,6 +23,18 @@ export function createDom(
 
   if (ns !== NSS.html) {
     dom = document.createElementNS(ns, tagName);
+  } else if (tagName === 'div') {
+    dom = div.cloneNode(false);
+  } else if (tagName === 'span') {
+    dom = span.cloneNode(false);
+  } else if (tagName === 'tr') {
+    dom = tr.cloneNode(false);
+  } else if (tagName === 'td') {
+    dom = td.cloneNode(false);
+  } else if (tagName === 'a') {
+    dom = a.cloneNode(false);
+  } else if (tagName === 'p') {
+    dom = p.cloneNode(false);
   } else {
     dom = document.createElement(tagName);
   }
diff --git a/libs/horizon/src/dom/valueHandler/index.ts b/libs/horizon/src/dom/valueHandler/index.ts
index ca2ba25b..88a35e5c 100644
--- a/libs/horizon/src/dom/valueHandler/index.ts
+++ b/libs/horizon/src/dom/valueHandler/index.ts
@@ -21,6 +21,7 @@ import {
   getTextareaPropsWithoutValue,
   updateTextareaValue,
 } from './TextareaValueHandler';
+import {getDomTag} from "../utils/Common";
 
 // 获取元素除了被代理的值以外的属性
 function getPropsWithoutValue(type: string, dom: HorizonDom, properties: IProperty) {
@@ -72,7 +73,8 @@ function updateValue(type: string, dom: HorizonDom, properties: IProperty) {
   }
 }
 
-function resetValue(dom: HorizonDom, type: string, properties: IProperty) {
+function resetValue(dom: HorizonDom, properties: IProperty) {
+  const type = getDomTag(dom);
   switch (type) {
     case 'input':
       resetInputValue(<HTMLInputElement>dom, properties);
diff --git a/libs/horizon/src/event/ControlledValueUpdater.ts b/libs/horizon/src/event/ControlledValueUpdater.ts
index dde7f99b..5e565a1d 100644
--- a/libs/horizon/src/event/ControlledValueUpdater.ts
+++ b/libs/horizon/src/event/ControlledValueUpdater.ts
@@ -1,15 +1,13 @@
 import {getVNodeProps} from '../dom/DOMInternalKeys';
 import {resetValue} from '../dom/valueHandler';
-import {getDomTag} from '../dom/utils/Common';
 
-let updateList = null;
+let updateList: Array<any> | null = null;
 
 // 受控组件值重新赋值
 function updateValue(target: Element) {
   const props = getVNodeProps(target);
   if (props) {
-    const type = getDomTag(target);
-    resetValue(target, type, props);
+    resetValue(target, props);
   }
 }
 
diff --git a/libs/horizon/src/event/EventBinding.ts b/libs/horizon/src/event/EventBinding.ts
index 068280ea..512e87b5 100644
--- a/libs/horizon/src/event/EventBinding.ts
+++ b/libs/horizon/src/event/EventBinding.ts
@@ -1,50 +1,60 @@
 /**
- * 事件绑定实现
+ * 事件绑定实现，分为绑定委托事件和非委托事件
  */
 import {allDelegatedNativeEvents} from './EventCollection';
 import {isDocument} from '../dom/utils/Common';
 import {
-  getEventListeners,
-  getEventToListenerMap,
+  getNearestVNode,
+  getNonDelegatedListenerMap,
 } from '../dom/DOMInternalKeys';
-import {createCustomEventListener} from './WrapperListener';
 import {CustomBaseEvent} from './customEvents/CustomBaseEvent';
+import {runDiscreteUpdates} from '../renderer/TreeBuilder';
+import {isMounted} from '../renderer/vnode/VNodeUtils';
+import {SuspenseComponent} from '../renderer/vnode/VNodeTags';
+import {handleEventMain} from './HorizonEventMain';
 
-const listeningMarker =
-  '_horizonListening' +
-  Math.random()
-    .toString(36)
-    .slice(4);
+const listeningMarker = '_horizonListening' + Math.random().toString(36).slice(4);
 
-// 获取节点上已经委托事件名称
-function getListenerSetKey(nativeEvtName: string, isCapture: boolean): string {
-  const sufix = isCapture ? 'capture' : 'bubble';
-  return `${nativeEvtName}__${sufix}`;
+// 触发委托事件
+function triggerDelegatedEvent(
+  nativeEvtName: string,
+  isCapture: boolean,
+  targetDom: EventTarget,
+  nativeEvent, // 事件对象event
+) {
+  // 执行之前的调度事件
+  runDiscreteUpdates();
+
+  const nativeEventTarget = nativeEvent.target || nativeEvent.srcElement;
+  let targetVNode = getNearestVNode(nativeEventTarget);
+
+  if (targetVNode !== null) {
+    if (isMounted(targetVNode)) {
+      if (targetVNode.tag === SuspenseComponent) {
+        targetVNode = null;
+      }
+    } else {
+      // vNode已销毁
+      targetVNode = null;
+    }
+  }
+  handleEventMain(nativeEvtName, isCapture, nativeEvent, targetVNode, targetDom);
 }
 
+// 监听委托事件
 function listenToNativeEvent(
   nativeEvtName: string,
   delegatedElement: Element,
   isCapture: boolean,
 ): void {
-  let target: Element | Document = delegatedElement;
+  let dom: Element | Document = delegatedElement;
   // document层次可能触发selectionchange事件，为了捕获这类事件，selectionchange事件绑定在document节点上
   if (nativeEvtName === 'selectionchange' && !isDocument(delegatedElement)) {
-    target = delegatedElement.ownerDocument;
+    dom = delegatedElement.ownerDocument;
   }
 
-  const listenerSet = getEventListeners(target);
-  const listenerSetKey = getListenerSetKey(nativeEvtName, isCapture);
-
-  if (!listenerSet.has(listenerSetKey)) {
-    const listener = createCustomEventListener(
-      target,
-      nativeEvtName,
-      isCapture,
-    );
-    target.addEventListener(nativeEvtName, listener, !!isCapture);
-    listenerSet.add(listenerSetKey);
-  }
+  const listener = triggerDelegatedEvent.bind(null, nativeEvtName, isCapture, dom);
+  dom.addEventListener(nativeEvtName, listener, isCapture);
 }
 
 // 监听所有委托事件
@@ -54,11 +64,12 @@ export function listenDelegatedEvents(dom: Element) {
     return;
   }
   dom[listeningMarker] = true;
-  allDelegatedNativeEvents.forEach((eventName: string) => {
+
+  allDelegatedNativeEvents.forEach((nativeEvtName: string) => {
     // 委托冒泡事件
-    listenToNativeEvent(eventName, dom, false);
+    listenToNativeEvent(nativeEvtName, dom, false);
     // 委托捕获事件
-    listenToNativeEvent(eventName, dom, true);
+    listenToNativeEvent(nativeEvtName, dom, true);
   });
 }
 
@@ -77,7 +88,7 @@ function getNativeEvtName(horizonEventName, capture) {
 }
 
 // 是否捕获事件
-function getIsCapture(horizonEventName) {
+function isCaptureEvent(horizonEventName) {
   if (horizonEventName === 'onLostPointerCapture' || horizonEventName === 'onGotPointerCapture') {
     return false;
   }
@@ -86,7 +97,7 @@ function getIsCapture(horizonEventName) {
 
 // 封装监听函数
 function getWrapperListener(horizonEventName, nativeEvtName, targetElement, listener) {
-  return (event) => {
+  return event => {
     const customEvent = new CustomBaseEvent(horizonEventName, nativeEvtName, event, null, targetElement);
     listener(customEvent);
   };
@@ -98,23 +109,24 @@ export function listenNonDelegatedEvent(
   domElement: Element,
   listener,
 ): void {
-  const isCapture = getIsCapture(horizonEventName);
+  const isCapture = isCaptureEvent(horizonEventName);
   const nativeEvtName = getNativeEvtName(horizonEventName, isCapture);
 
   // 先判断是否存在老的监听事件，若存在则移除
-  const eventToListenerMap = getEventToListenerMap(domElement);
-  if (eventToListenerMap.get(horizonEventName)) {
-    domElement.removeEventListener(nativeEvtName, eventToListenerMap.get(horizonEventName));
+  const nonDelegatedListenerMap = getNonDelegatedListenerMap(domElement);
+  const currentListener = nonDelegatedListenerMap.get(horizonEventName);
+  if (currentListener) {
+    domElement.removeEventListener(nativeEvtName, currentListener);
+    nonDelegatedListenerMap.delete(horizonEventName);
   }
 
   if (typeof listener !== 'function') {
-    eventToListenerMap.delete(nativeEvtName);
     return;
   }
 
   // 为了和委托事件对外行为一致，将事件对象封装成CustomBaseEvent
   const wrapperListener = getWrapperListener(horizonEventName, nativeEvtName, domElement, listener);
   // 添加新的监听
-  eventToListenerMap.set(horizonEventName, wrapperListener);
+  nonDelegatedListenerMap.set(horizonEventName, wrapperListener);
   domElement.addEventListener(nativeEvtName, wrapperListener, isCapture);
 }
diff --git a/libs/horizon/src/event/EventCollection.ts b/libs/horizon/src/event/EventCollection.ts
index 8163df63..d70dcf10 100644
--- a/libs/horizon/src/event/EventCollection.ts
+++ b/libs/horizon/src/event/EventCollection.ts
@@ -8,6 +8,7 @@ export const allDelegatedNativeEvents = new Set();
 horizonEventToNativeMap.forEach((dependencies, horizonEvent) => {
   allDelegatedHorizonEvents.set(horizonEvent, dependencies);
   allDelegatedHorizonEvents.set(horizonEvent + 'Capture', dependencies);
+
   dependencies.forEach(d => {
     allDelegatedNativeEvents.add(d);
   });
diff --git a/libs/horizon/src/event/EventError.ts b/libs/horizon/src/event/EventError.ts
deleted file mode 100644
index e5df0770..00000000
--- a/libs/horizon/src/event/EventError.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-// 处理事件的错误
-let hasError = false;
-let caughtError = null;
-
-// 执行事件监听器，并且捕捉第一个错误，事件执行完成后抛出第一个错误
-export function runListenerAndCatchFirstError(listener, event) {
-  try {
-    listener(event);
-  } catch (error) {
-    if (!hasError) {
-      hasError = true;
-      caughtError = error;
-    }
-  }
-}
-
-export function throwCaughtEventError() {
-  if (hasError) {
-    const err = caughtError;
-    caughtError = null;
-    hasError = false;
-    throw err;
-  }
-}
diff --git a/libs/horizon/src/event/HorizonEventMain.ts b/libs/horizon/src/event/HorizonEventMain.ts
index ad3dffda..9a9e2719 100644
--- a/libs/horizon/src/event/HorizonEventMain.ts
+++ b/libs/horizon/src/event/HorizonEventMain.ts
@@ -1,4 +1,4 @@
-import type { AnyNativeEvent, ProcessingListenerList } from './types';
+import type { AnyNativeEvent } from './Types';
 import type { VNode } from '../renderer/Types';
 
 import {
@@ -7,24 +7,19 @@ import {
   EVENT_TYPE_BUBBLE,
   EVENT_TYPE_CAPTURE,
 } from './const';
-import {
-  throwCaughtEventError,
-  runListenerAndCatchFirstError,
-} from './EventError';
 import { getListeners as getBeforeInputListeners } from './simulatedEvtHandler/BeforeInputEventHandler';
 import { getListeners as getCompositionListeners } from './simulatedEvtHandler/CompositionEventHandler';
 import { getListeners as getChangeListeners } from './simulatedEvtHandler/ChangeEventHandler';
 import { getListeners as getSelectionListeners } from './simulatedEvtHandler/SelectionEventHandler';
 import {
-  getCustomEventNameWithOn,
-  uniqueCharCode,
-  getEventTarget
+  addOnPrefix,
 } from './utils';
-import { createCommonCustomEvent } from './customEvents/EventFactory';
+import { createCustomEvent } from './customEvents/EventFactory';
 import { getListenersFromTree } from './ListenerGetter';
 import { shouldUpdateValue, updateControlledValue } from './ControlledValueUpdater';
 import { asyncUpdates, runDiscreteUpdates } from '../renderer/Renderer';
 import { getExactNode } from '../renderer/vnode/VNodeUtils';
+import {ListenerUnitList} from './Types';
 
 // 获取事件触发的普通事件监听方法队列
 function getCommonListeners(
@@ -33,14 +28,9 @@ function getCommonListeners(
   nativeEvent: AnyNativeEvent,
   target: null | EventTarget,
   isCapture: boolean,
-): ProcessingListenerList {
-  const customEventName = getCustomEventNameWithOn(CommonEventToHorizonMap[nativeEvtName]);
-  if (!customEventName) {
-    return [];
-  }
-
-  // 火狐浏览器兼容。火狐浏览器下功能键将触发keypress事件 火狐下keypress的charcode有值，keycode为0
-  if (nativeEvtName === 'keypress' && uniqueCharCode(nativeEvent) === 0) {
+): ListenerUnitList {
+  const horizonEvtName = addOnPrefix(CommonEventToHorizonMap[nativeEvtName]);
+  if (!horizonEvtName) {
     return [];
   }
 
@@ -52,49 +42,42 @@ function getCommonListeners(
   if (nativeEvtName === 'focusin') {
     nativeEvtName = 'focus';
   }
+
   if (nativeEvtName === 'focusout') {
     nativeEvtName = 'blur';
   }
 
-  const customEvent = createCommonCustomEvent(customEventName, nativeEvtName, nativeEvent, null, target);
+  const horizonEvent = createCustomEvent(horizonEvtName, nativeEvtName, nativeEvent, null, target);
   return getListenersFromTree(
     vNode,
-    customEventName,
-    customEvent,
+    horizonEvtName,
+    horizonEvent,
     isCapture ? EVENT_TYPE_CAPTURE : EVENT_TYPE_BUBBLE,
   );
 }
 
 // 按顺序执行事件队列
-export function processListeners(
-  processingEventsList: ProcessingListenerList
-): void {
-  processingEventsList.forEach(eventUnitList => {
-    let lastVNode;
-    eventUnitList.forEach(eventUnit => {
-      const { vNode, currentTarget, listener, event } = eventUnit;
-      if (vNode !== lastVNode && event.isPropagationStopped()) {
-        return;
-      }
-      event.currentTarget = currentTarget;
-      runListenerAndCatchFirstError(listener, event);
-      event.currentTarget = null;
-      lastVNode = vNode;
-    });
+function processListeners(listenerList: ListenerUnitList): void {
+  listenerList.forEach(eventUnit => {
+    const { currentTarget, listener, event } = eventUnit;
+    if (event.isPropagationStopped()) {
+      return;
+    }
+    event.currentTarget = currentTarget;
+    listener(event);
+    event.currentTarget = null;
   });
-  // 执行所有事件后，重新throw遇到的第一个错误
-  throwCaughtEventError();
 }
 
 function getProcessListenersFacade(
   nativeEvtName: string,
-  vNode: VNode,
+  vNode: VNode | null,
   nativeEvent: AnyNativeEvent,
   target,
   isCapture: boolean
-): ProcessingListenerList {
+): ListenerUnitList {
   // 触发普通委托事件
-  let processingListenerList: ProcessingListenerList = getCommonListeners(
+  let listenerList: ListenerUnitList = getCommonListeners(
     nativeEvtName,
     vNode,
     nativeEvent,
@@ -105,7 +88,7 @@ function getProcessListenersFacade(
   // 触发特殊handler委托事件
   if (!isCapture) {
     if (horizonEventToNativeMap.get('onChange').includes(nativeEvtName)) {
-      processingListenerList = processingListenerList.concat(getChangeListeners(
+      listenerList = listenerList.concat(getChangeListeners(
         nativeEvtName,
         nativeEvent,
         vNode,
@@ -114,7 +97,7 @@ function getProcessListenersFacade(
     }
 
     if (horizonEventToNativeMap.get('onSelect').includes(nativeEvtName)) {
-      processingListenerList = processingListenerList.concat(getSelectionListeners(
+      listenerList = listenerList.concat(getSelectionListeners(
         nativeEvtName,
         nativeEvent,
         vNode,
@@ -125,7 +108,7 @@ function getProcessListenersFacade(
     if (nativeEvtName === 'compositionend' ||
         nativeEvtName === 'compositionstart' ||
         nativeEvtName === 'compositionupdate') {
-      processingListenerList = processingListenerList.concat(getCompositionListeners(
+      listenerList = listenerList.concat(getCompositionListeners(
         nativeEvtName,
         nativeEvent,
         vNode,
@@ -134,7 +117,7 @@ function getProcessListenersFacade(
     }
 
     if (horizonEventToNativeMap.get('onBeforeInput').includes(nativeEvtName)) {
-      processingListenerList = processingListenerList.concat(getBeforeInputListeners(
+      listenerList = listenerList.concat(getBeforeInputListeners(
         nativeEvtName,
         nativeEvent,
         vNode,
@@ -142,7 +125,7 @@ function getProcessListenersFacade(
       ));
     }
   }
-  return processingListenerList;
+  return listenerList;
 }
 
 // 触发可以被执行的horizon事件监听
@@ -150,55 +133,47 @@ function triggerHorizonEvents(
   nativeEvtName: string,
   isCapture: boolean,
   nativeEvent: AnyNativeEvent,
-  vNode: null | VNode,
+  vNode: VNode | null,
 ): void {
-  const nativeEventTarget = getEventTarget(nativeEvent);
-  const processingListenerList = getProcessListenersFacade(
-    nativeEvtName,
-    vNode,
-    nativeEvent,
-    nativeEventTarget,
-    isCapture);
+  const nativeEventTarget = nativeEvent.target || nativeEvent.srcElement;
+
+  // 获取委托事件队列
+  const listenerList = getProcessListenersFacade(nativeEvtName, vNode, nativeEvent, nativeEventTarget, isCapture);
 
   // 处理触发的事件队列
-  processListeners(processingListenerList);
+  processListeners(listenerList);
 }
 
 
 // 其他事件正在执行中标记
 let isInEventsExecution = false;
 
+// 处理委托事件入口
 export function handleEventMain(
   nativeEvtName: string,
   isCapture: boolean,
   nativeEvent: AnyNativeEvent,
   vNode: null | VNode,
-  target: EventTarget,
+  targetContainer: EventTarget,
 ): void {
-  let rootVNode = vNode;
-  if (vNode !== null) {
-    rootVNode = getExactNode(vNode, target);
-    if (!rootVNode) {
+  let startVNode = vNode;
+  if (startVNode !== null) {
+    startVNode = getExactNode(startVNode, targetContainer);
+    if (!startVNode) {
       return;
     }
   }
 
   // 有事件正在执行，同步执行事件
   if (isInEventsExecution) {
-    triggerHorizonEvents(nativeEvtName, isCapture, nativeEvent, rootVNode);
+    triggerHorizonEvents(nativeEvtName, isCapture, nativeEvent, startVNode);
     return;
   }
 
   // 没有事件在执行，经过调度再执行事件
   isInEventsExecution = true;
   try {
-    asyncUpdates(() =>
-      triggerHorizonEvents(
-        nativeEvtName,
-        isCapture,
-        nativeEvent,
-        rootVNode,
-      ));
+    asyncUpdates(() => triggerHorizonEvents(nativeEvtName, isCapture, nativeEvent, startVNode));
   } finally {
     isInEventsExecution = false;
     if (shouldUpdateValue()) {
diff --git a/libs/horizon/src/event/ListenerGetter.ts b/libs/horizon/src/event/ListenerGetter.ts
index 3c233c48..8c20b960 100644
--- a/libs/horizon/src/event/ListenerGetter.ts
+++ b/libs/horizon/src/event/ListenerGetter.ts
@@ -1,73 +1,20 @@
 import {VNode} from '../renderer/Types';
 import {DomComponent} from '../renderer/vnode/VNodeTags';
-import {throwIfTrue} from '../renderer/utils/throwIfTrue';
-import type {Props} from '../dom/DOMOperator';
 import {EVENT_TYPE_ALL, EVENT_TYPE_CAPTURE, EVENT_TYPE_BUBBLE} from './const';
-import {ProcessingListenerList, ListenerUnitList} from './Types';
+import {ListenerUnitList} from './Types';
 import {CustomBaseEvent} from './customEvents/CustomBaseEvent';
 
-// 返回是否应该阻止事件响应标记，disabled组件不响应鼠标事件
-function shouldPrevent(
-  name: string,
-  type: string,
-  props: Props,
-): boolean {
-  const canPreventMouseEvents = [
-    'onClick',
-    'onClickCapture',
-    'onDoubleClick',
-    'onDoubleClickCapture',
-    'onMouseDown',
-    'onMouseDownCapture',
-    'onMouseMove',
-    'onMouseMoveCapture',
-    'onMouseUp',
-    'onMouseUpCapture',
-    'onMouseEnter',
-  ];
-  const interActiveElements = ['button', 'input', 'select', 'textarea'];
-  if (canPreventMouseEvents.includes(name)) {
-    return !!(props.disabled && interActiveElements.includes(type));
-  }
-  return false;
-}
-
-// 从vnode属性中获取事件listener
-function getListener(
-  vNode: VNode,
-  eventName: string,
-): Function | null {
-  const realNode = vNode.realNode;
-  if (realNode === null) {
-    return null;
-  }
-  const props = vNode.props;
-  if (props === null) {
-    return null;
-  }
-  const listener = props[eventName];
-  if (shouldPrevent(eventName, vNode.type, props)) {
-    return null;
-  }
-  throwIfTrue(
-    listener && typeof listener !== 'function',
-    '`%s` listener should be a function.',
-    eventName
-  );
-  return listener;
-}
-
 // 获取监听事件
 export function getListenersFromTree(
   targetVNode: VNode | null,
-  name: string | null,
+  horizonEvtName: string | null,
   horizonEvent: CustomBaseEvent,
   eventType: string,
-): ProcessingListenerList {
-  if (!name) {
+): ListenerUnitList {
+  if (!horizonEvtName) {
     return [];
   }
-  const captureName = name + EVENT_TYPE_CAPTURE;
+
   const listeners: ListenerUnitList = [];
 
   let vNode = targetVNode;
@@ -77,7 +24,8 @@ export function getListenersFromTree(
     const {realNode, tag} = vNode;
     if (tag === DomComponent && realNode !== null) {
       if (eventType === EVENT_TYPE_ALL || eventType === EVENT_TYPE_CAPTURE) {
-        const captureListener = getListener(vNode, captureName);
+        const captureName = horizonEvtName + EVENT_TYPE_CAPTURE;
+        const captureListener = vNode.props[captureName];
         if (captureListener) {
           listeners.unshift({
             vNode,
@@ -87,8 +35,9 @@ export function getListenersFromTree(
           });
         }
       }
+
       if (eventType === EVENT_TYPE_ALL || eventType === EVENT_TYPE_BUBBLE) {
-        const bubbleListener = getListener(vNode, name);
+        const bubbleListener = vNode.props[horizonEvtName];
         if (bubbleListener) {
           listeners.push({
             vNode,
@@ -101,7 +50,8 @@ export function getListenersFromTree(
     }
     vNode = vNode.parent;
   }
-  return listeners.length > 0 ? [listeners]: [];
+
+  return listeners;
 }
 
 
diff --git a/libs/horizon/src/event/Types.ts b/libs/horizon/src/event/Types.ts
index fb67cf86..b007bb2c 100644
--- a/libs/horizon/src/event/Types.ts
+++ b/libs/horizon/src/event/Types.ts
@@ -12,5 +12,3 @@ export type ListenerUnit = {
 };
 
 export type ListenerUnitList = Array<ListenerUnit>;
-
-export type ProcessingListenerList = Array<ListenerUnitList>;
diff --git a/libs/horizon/src/event/WrapperListener.ts b/libs/horizon/src/event/WrapperListener.ts
index ba5d309b..e69de29b 100644
--- a/libs/horizon/src/event/WrapperListener.ts
+++ b/libs/horizon/src/event/WrapperListener.ts
@@ -1,41 +0,0 @@
-import {isMounted} from '../renderer/vnode/VNodeUtils';
-import {SuspenseComponent} from '../renderer/vnode/VNodeTags';
-import {getNearestVNode} from '../dom/DOMInternalKeys';
-import {handleEventMain} from './HorizonEventMain';
-import {runDiscreteUpdates} from '../renderer/Renderer';
-import {getEventTarget} from './utils';
-
-// 触发委托事件
-function triggerDelegatedEvent(
-  nativeEvtName: string,
-  isCapture: boolean,
-  targetDom: EventTarget,
-  nativeEvent,
-) {
-  // 执行之前的调度事件
-  runDiscreteUpdates();
-
-  const nativeEventTarget = getEventTarget(nativeEvent);
-  let targetVNode = getNearestVNode(nativeEventTarget);
-
-  if (targetVNode !== null) {
-    if (isMounted(targetVNode)) {
-      if (targetVNode.tag === SuspenseComponent) {
-        targetVNode = null;
-      }
-    } else {
-      // vnode已销毁
-      targetVNode = null;
-    }
-  }
-  handleEventMain(nativeEvtName, isCapture, nativeEvent, targetVNode, targetDom);
-}
-
-// 生成委托事件的监听方法
-export function createCustomEventListener(
-  target: EventTarget,
-  nativeEvtName: string,
-  isCapture: boolean,
-): EventListener {
-  return triggerDelegatedEvent.bind(null, nativeEvtName, isCapture, target);
-}
diff --git a/libs/horizon/src/event/const.ts b/libs/horizon/src/event/const.ts
index 20c954ae..75bea89f 100644
--- a/libs/horizon/src/event/const.ts
+++ b/libs/horizon/src/event/const.ts
@@ -34,7 +34,7 @@ export const horizonEventToNativeMap = new Map([
   ['onCompositionStart', ['compositionstart']],
   ['onCompositionUpdate', ['compositionupdate']],
   ['onBeforeInput', ['compositionend', 'keypress', 'textInput']],
-  ['onChange', ['change', 'click', 'focusout', 'input',]],
+  ['onChange', ['change', 'click', 'focusout', 'input']],
   ['onSelect', ['focusout', 'contextmenu', 'dragend', 'focusin',
                 'keydown', 'keyup', 'mousedown', 'mouseup', 'selectionchange']],
 
diff --git a/libs/horizon/src/event/customEvents/CustomBaseEvent.ts b/libs/horizon/src/event/customEvents/CustomBaseEvent.ts
index 5ea40d96..e9ca60df 100644
--- a/libs/horizon/src/event/customEvents/CustomBaseEvent.ts
+++ b/libs/horizon/src/event/customEvents/CustomBaseEvent.ts
@@ -6,37 +6,17 @@ import {VNode} from '../../renderer/Types';
 
 // 从原生事件中复制属性到自定义事件中
 function extendAttribute(target, source) {
-  const attributes = [
-    // AnimationEvent
-    'animationName', 'elapsedTime', 'pseudoElement',
-    // CompositionEvent、InputEvent
-    'data',
-    // DragEvent
-    'dataTransfer',
-    // FocusEvent
-    'relatedTarget',
-    // KeyboardEvent
-    'key', 'keyCode', 'charCode', 'code', 'location', 'ctrlKey', 'shiftKey',
-    'altKey', 'metaKey', 'repeat', 'locale', 'getModifierState', 'clipboardData',
-    // MouseEvent
-    'button', 'buttons', 'clientX', 'clientY', 'movementX', 'movementY',
-    'pageX', 'pageY', 'screenX', 'screenY', 'currentTarget',
-    // PointerEvent
-    'pointerId', 'width', 'height', 'pressure', 'tangentialPressure',
-    'tiltX', 'tiltY', 'twist', 'pointerType', 'isPrimary',
-    // TouchEvent
-    'touches', 'targetTouches', 'changedTouches',
-    // TransitionEvent
-    'propertyName',
-    // UIEvent
-    'view', 'detail',
-    // WheelEvent
-    'deltaX', 'deltaY', 'deltaZ', 'deltaMode',
-  ];
+  let val;
+  let attr;
+  for (attr in source) {
+    // 这两个方法需要override
+    if (attr === 'preventDefault' || attr === 'stopPropagation') {
+      continue;
+    }
 
-  attributes.forEach(attr => {
-    if (typeof source[attr] !== 'undefined') {
-      if (typeof source[attr] === 'function') {
+    val = source[attr];
+    if (val !== undefined) {
+      if (typeof val === 'function') {
         target[attr] = function() {
           return source[attr].apply(source, arguments);
         };
@@ -44,54 +24,71 @@ function extendAttribute(target, source) {
         target[attr] = source[attr];
       }
     }
-  })
+  }
 }
+
+// 兼容IE的event key
+const uniqueKeyMap = new Map([
+  ['Esc', 'Escape'],
+  ['Spacebar', ' '],
+  ['Left', 'ArrowLeft'],
+  ['Up', 'ArrowUp'],
+  ['Right', 'ArrowRight'],
+  ['Down', 'ArrowDown'],
+  ['Del', 'Delete'],
+]);
+
 export class CustomBaseEvent {
 
-  data: string;
   defaultPrevented: boolean;
-  customEventName: string;
-  targetVNode: VNode;
-  type: string;
-  nativeEvent: any;
   target: EventTarget;
-  timeStamp: number;
   isDefaultPrevented: () => boolean;
   isPropagationStopped: () => boolean;
   currentTarget: EventTarget;
+  relatedTarget: EventTarget;
+
+  // custom事件自定义属性
+  customEventName: string;
+  targetVNode: VNode;
+  type: string;
+  timeStamp: number;
+  nativeEvent: any;
+
+  // 键盘事件属性
+  key: string;
+  charCode: number;
+  keyCode: number;
+  which: number;
 
   constructor(
     customEvtName: string | null,
     nativeEvtName: string,
     nativeEvt: { [propName: string]: any },
-    vNode: VNode,
+    vNode: VNode | null,
     target: null | EventTarget
   ) {
     // 复制原生属性到自定义事件
     extendAttribute(this, nativeEvt);
 
+    const defaultPrevented = nativeEvt.defaultPrevented != null ?
+                             nativeEvt.defaultPrevented :
+                             nativeEvt.returnValue === false;
+    this.defaultPrevented = defaultPrevented;
+    this.preventDefault = this.preventDefault.bind(this);
+    this.stopPropagation = this.stopPropagation.bind(this);
+    this.isDefaultPrevented = () => defaultPrevented;
+    this.isPropagationStopped = () => false;
+    this.relatedTarget = nativeEvt.relatedTarget;
+    this.target = target;
+
+    // 键盘事件属性
+    this.key = uniqueKeyMap.get(nativeEvt.key) || nativeEvt.key;
+
     // custom事件自定义属性
     this.customEventName = customEvtName;
     this.targetVNode = vNode;
     this.type = nativeEvtName;
     this.nativeEvent = nativeEvt;
-    this.target = target;
-    this.timeStamp = nativeEvt.timeStamp || Date.now();
-
-    const defaultPrevented = nativeEvt.defaultPrevented != null ?
-                             nativeEvt.defaultPrevented :
-                             nativeEvt.returnValue === false;
-    this.defaultPrevented = defaultPrevented;
-
-    this.preventDefault = this.preventDefault.bind(this);
-    this.stopPropagation = this.stopPropagation.bind(this);
-    this.isDefaultPrevented = () => defaultPrevented;
-    this.isPropagationStopped = () => false;
-  }
-
-  // 兼容性方法
-  persist() {
-
   }
 
   // 阻止默认行为
diff --git a/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts b/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts
deleted file mode 100644
index 33c6d13c..00000000
--- a/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
- * 自定义键盘事件
- */
-
-import type {VNode} from '../../renderer/Types';
-import {uniqueCharCode} from '../utils';
-import {CustomBaseEvent} from './CustomBaseEvent';
-import {CHAR_CODE_ENTER} from '../const';
-
-const uniqueKeyMap = new Map([
-  ['Esc', 'Escape'],
-  ['Spacebar', ' '],
-  ['Left', 'ArrowLeft'],
-  ['Up', 'ArrowUp'],
-  ['Right', 'ArrowRight'],
-  ['Down', 'ArrowDown'],
-  ['Del', 'Delete'],
-]);
-
-const charCodeToKeyMap = new Map([
-  [8, 'Backspace'],
-  [9, 'Tab'],
-  [13, 'Enter'],
-  [16, 'Shift'],
-  [17, 'Control'],
-  [18, 'Alt'],
-  [19, 'Pause'],
-  [27, 'Escape'],
-  [32, ' '],
-  [33, 'PageUp'],
-  [34, 'PageDown'],
-  [35, 'End'],
-  [36, 'Home'],
-  [37, 'ArrowLeft'],
-  [38, 'ArrowUp'],
-  [39, 'ArrowRight'],
-  [40, 'ArrowDown'],
-  [46, 'Delete']
-]);
-
-function getKey(event) {
-  if (event.key) {
-    return uniqueKeyMap.get(event.key) || event.key;
-  }
-
-  if (event.type === 'keypress') {
-    const charCode = uniqueCharCode(event);
-    return charCode === CHAR_CODE_ENTER ? 'Enter' : String.fromCharCode(charCode);
-  }
-
-  if (event.type === 'keydown' || event.type === 'keyup') {
-    return charCodeToKeyMap.get(event.keyCode);
-  }
-
-  return '';
-}
-
-export class CustomKeyboardEvent extends CustomBaseEvent {
-
-  key: string;
-  charCode: number;
-  keyCode: number;
-  which: number;
-
-  constructor(
-    customEvtName: string | null,
-    nativeEvtName: string,
-    nativeEvt: { [propName: string]: any },
-    vNode: VNode,
-    target: null | EventTarget
-  ) {
-    super(customEvtName, nativeEvtName, nativeEvt, vNode, target);
-    this.key = getKey(nativeEvt);
-    this.charCode = nativeEvtName === 'keypress' ? uniqueCharCode(nativeEvt) : 0;
-    this.keyCode = (nativeEvtName === 'keydown' || nativeEvtName === 'keyup') ? nativeEvt.keyCode : 0;
-    this.which = this.charCode || this.keyCode;
-  }
-}
diff --git a/libs/horizon/src/event/customEvents/CustomMouseEvent.ts b/libs/horizon/src/event/customEvents/CustomMouseEvent.ts
deleted file mode 100644
index 8ed6f746..00000000
--- a/libs/horizon/src/event/customEvents/CustomMouseEvent.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import type {VNode} from '../../renderer/Types';
-import {CustomBaseEvent} from './CustomBaseEvent';
-
-export class CustomMouseEvent extends CustomBaseEvent {
-  relatedTarget: EventTarget;
-
-  constructor(
-    customEvtName: string | null,
-    nativeEvtName: string,
-    nativeEvt: { [propName: string]: any },
-    vNode: VNode,
-    target: null | EventTarget
-  ) {
-    super(customEvtName, nativeEvtName, nativeEvt, vNode, target);
-
-    let relatedTarget = nativeEvt.relatedTarget;
-    if (relatedTarget === undefined) {
-      if (nativeEvt.fromElement === nativeEvt.srcElement) {
-        relatedTarget = nativeEvt.toElement;
-      } else {
-        relatedTarget = nativeEvt.fromElement;
-      }
-    }
-    this.relatedTarget = relatedTarget;
-  }
-}
diff --git a/libs/horizon/src/event/customEvents/EventFactory.ts b/libs/horizon/src/event/customEvents/EventFactory.ts
index 74c36a2f..59f606ee 100644
--- a/libs/horizon/src/event/customEvents/EventFactory.ts
+++ b/libs/horizon/src/event/customEvents/EventFactory.ts
@@ -1,42 +1,8 @@
-import {CustomKeyboardEvent} from './CustomKeyboardEvent';
-import {CustomMouseEvent} from './CustomMouseEvent';
 import {CustomBaseEvent} from './CustomBaseEvent';
 
-const CommonEventToCustom = {
-  keypress: CustomKeyboardEvent,
-  keydown: CustomKeyboardEvent,
-  keyup: CustomKeyboardEvent,
-  click: CustomMouseEvent,
-  dblclick: CustomMouseEvent,
-  mousedown: CustomMouseEvent,
-  mousemove: CustomMouseEvent,
-  mouseup: CustomMouseEvent,
-  mouseout: CustomMouseEvent,
-  mouseover: CustomMouseEvent,
-  contextmenu: CustomMouseEvent,
-  pointercancel: CustomMouseEvent,
-  pointerdown: CustomMouseEvent,
-  pointermove: CustomMouseEvent,
-  pointerout: CustomMouseEvent,
-  pointerover: CustomMouseEvent,
-  pointerup: CustomMouseEvent,
-}
-
 // 创建普通自定义事件对象实例，和原生事件对应
-export function createCommonCustomEvent(customEventName, nativeEvtName, nativeEvent, vNode, currentTarget) {
-  const EventConstructor = CommonEventToCustom[nativeEvtName] || CustomBaseEvent;
-  return new EventConstructor(
-    customEventName,
-    nativeEvtName,
-    nativeEvent,
-    vNode,
-    currentTarget,
-  );
-}
-
-// 创建模拟事件实例对象,需要handler特殊处理
-export function createHandlerCustomEvent(customEventName, nativeEvtName, nativeEvent, vNode, currentTarget) {
-  return new CustomMouseEvent(
+export function createCustomEvent(customEventName, nativeEvtName, nativeEvent, vNode, currentTarget) {
+  return new CustomBaseEvent(
     customEventName,
     nativeEvtName,
     nativeEvent,
diff --git a/libs/horizon/src/event/simulatedEvtHandler/BeforeInputEventHandler.ts b/libs/horizon/src/event/simulatedEvtHandler/BeforeInputEventHandler.ts
index ccbe450a..2ab0fc07 100644
--- a/libs/horizon/src/event/simulatedEvtHandler/BeforeInputEventHandler.ts
+++ b/libs/horizon/src/event/simulatedEvtHandler/BeforeInputEventHandler.ts
@@ -1,9 +1,10 @@
 import type {VNode} from '../../renderer/Types';
-import type {AnyNativeEvent, ProcessingListenerList} from '../Types';
+import type {AnyNativeEvent} from '../Types';
 import {getListenersFromTree} from '../ListenerGetter';
-import {createHandlerCustomEvent} from '../customEvents/EventFactory';
+import {createCustomEvent} from '../customEvents/EventFactory';
 import {CHAR_CODE_SPACE, EVENT_TYPE_ALL} from '../const';
 import {CustomBaseEvent} from '../customEvents/CustomBaseEvent';
+import {ListenerUnitList} from '../Types';
 const SPACE_CHAR = String.fromCharCode(CHAR_CODE_SPACE);
 
 function getInputCharsByNative(
@@ -28,14 +29,14 @@ export function getListeners(
   nativeEvent: AnyNativeEvent,
   vNode: null | VNode,
   target: null | EventTarget,
-): ProcessingListenerList {
+): ListenerUnitList {
   const chars = getInputCharsByNative(nativeEvtName, nativeEvent);
   // 无字符将要输入，无需处理
   if (!chars) {
     return [];
   }
 
-  const event: CustomBaseEvent = createHandlerCustomEvent(
+  const event: CustomBaseEvent = createCustomEvent(
     'onBeforeInput',
     'beforeinput',
     nativeEvent,
diff --git a/libs/horizon/src/event/simulatedEvtHandler/ChangeEventHandler.ts b/libs/horizon/src/event/simulatedEvtHandler/ChangeEventHandler.ts
index 781ea607..9c2040c2 100644
--- a/libs/horizon/src/event/simulatedEvtHandler/ChangeEventHandler.ts
+++ b/libs/horizon/src/event/simulatedEvtHandler/ChangeEventHandler.ts
@@ -1,10 +1,10 @@
-import {createHandlerCustomEvent} from '../customEvents/EventFactory';
+import {createCustomEvent} from '../customEvents/EventFactory';
 import {getDom} from '../../dom/DOMInternalKeys';
 import {isInputValueChanged} from '../../dom/valueHandler/ValueChangeHandler';
 import {addValueUpdateList} from '../ControlledValueUpdater';
 import {isTextInputElement} from '../utils';
 import {EVENT_TYPE_ALL} from '../const';
-import {AnyNativeEvent, ProcessingListenerList} from '../Types';
+import {AnyNativeEvent, ListenerUnitList} from '../Types';
 import {
   getListenersFromTree,
 } from '../ListenerGetter';
@@ -39,7 +39,7 @@ export function getListeners(
   nativeEvt: AnyNativeEvent,
   vNode: null | VNode,
   target: null | EventTarget,
-): ProcessingListenerList {
+): ListenerUnitList {
   if (!vNode) {
     return [];
   }
@@ -48,7 +48,7 @@ export function getListeners(
   // 判断是否需要触发change事件
   if (shouldTriggerChangeEvent(targetDom, nativeEvtName)) {
     addValueUpdateList(target);
-    const event = createHandlerCustomEvent(
+    const event = createCustomEvent(
       'onChange',
       'change',
       nativeEvt,
diff --git a/libs/horizon/src/event/simulatedEvtHandler/CompositionEventHandler.ts b/libs/horizon/src/event/simulatedEvtHandler/CompositionEventHandler.ts
index a3914893..be3a38f1 100644
--- a/libs/horizon/src/event/simulatedEvtHandler/CompositionEventHandler.ts
+++ b/libs/horizon/src/event/simulatedEvtHandler/CompositionEventHandler.ts
@@ -1,8 +1,9 @@
 import type {VNode} from '../../renderer/Types';
-import type {AnyNativeEvent, ProcessingListenerList} from '../Types';
+import type {AnyNativeEvent} from '../Types';
 import {getListenersFromTree} from '../ListenerGetter';
-import {createHandlerCustomEvent} from '../customEvents/EventFactory';
+import {createCustomEvent} from '../customEvents/EventFactory';
 import {EVENT_TYPE_ALL} from '../const';
+import {ListenerUnitList} from '../Types';
 
 const compositionEventObj = {
   compositionstart: 'onCompositionStart',
@@ -16,10 +17,10 @@ export function getListeners(
   nativeEvt: AnyNativeEvent,
   vNode: null | VNode,
   target: null | EventTarget,
-): ProcessingListenerList {
+): ListenerUnitList {
   const evtType = compositionEventObj[evtName];
 
-  const event = createHandlerCustomEvent(
+  const event = createCustomEvent(
     evtType,
     evtName,
     nativeEvt,
diff --git a/libs/horizon/src/event/simulatedEvtHandler/SelectionEventHandler.ts b/libs/horizon/src/event/simulatedEvtHandler/SelectionEventHandler.ts
index 87724137..c5a807c4 100644
--- a/libs/horizon/src/event/simulatedEvtHandler/SelectionEventHandler.ts
+++ b/libs/horizon/src/event/simulatedEvtHandler/SelectionEventHandler.ts
@@ -1,13 +1,14 @@
-import {createHandlerCustomEvent} from '../customEvents/EventFactory';
+import {createCustomEvent} from '../customEvents/EventFactory';
 import {shallowCompare} from '../../renderer/utils/compare';
 import {getFocusedDom} from '../../dom/utils/Common';
 import {getDom} from '../../dom/DOMInternalKeys';
 import {isDocument} from '../../dom/utils/Common';
 import {isTextInputElement} from '../utils';
-import type {AnyNativeEvent, ProcessingListenerList} from '../Types';
+import type {AnyNativeEvent} from '../Types';
 import {getListenersFromTree} from '../ListenerGetter';
 import type {VNode} from '../../renderer/Types';
 import {EVENT_TYPE_ALL} from '../const';
+import {ListenerUnitList} from '../Types';
 
 const horizonEventName = 'onSelect'
 
@@ -53,7 +54,7 @@ function getSelectEvent(nativeEvent, target) {
   if (!shallowCompare(lastSelection, currentSelection)) {
     lastSelection = currentSelection;
 
-    const event = createHandlerCustomEvent(
+    const event = createCustomEvent(
       horizonEventName,
       'select',
       nativeEvent,
@@ -83,9 +84,9 @@ export function getListeners(
   nativeEvt: AnyNativeEvent,
   vNode: null | VNode,
   target: null | EventTarget,
-): ProcessingListenerList {
+): ListenerUnitList {
   const targetNode = vNode ? getDom(vNode) : window;
-  let eventUnitList: ProcessingListenerList = [];
+  let eventUnitList: ListenerUnitList = [];
   switch (name) {
     case 'focusin':
       initTargetCache(targetNode, vNode);
diff --git a/libs/horizon/src/event/utils.ts b/libs/horizon/src/event/utils.ts
index a23e52da..51f022f1 100644
--- a/libs/horizon/src/event/utils.ts
+++ b/libs/horizon/src/event/utils.ts
@@ -1,35 +1,3 @@
-import {isText} from '../dom/utils/Common';
-import { CHAR_CODE_ENTER, CHAR_CODE_SPACE } from './const';
-
-export function uniqueCharCode(nativeEvent): number {
-  let charCode = nativeEvent.charCode;
-
-  // 火狐浏览器没有设置enter键的charCode，用keyCode
-  if (charCode === 0 && nativeEvent.keyCode === CHAR_CODE_ENTER) {
-    charCode = CHAR_CODE_ENTER;
-  }
-
-  // 当ctrl按下时10表示enter键按下
-  if (charCode === 10) {
-    charCode = CHAR_CODE_ENTER;
-  }
-
-  // 忽略非打印的Enter键
-  if (charCode >= CHAR_CODE_SPACE || charCode === CHAR_CODE_ENTER) {
-    return charCode;
-  }
-
-  return 0;
-}
-
-// 获取事件的target对象
-export function getEventTarget(nativeEvent) {
-  const target = nativeEvent.target || nativeEvent.srcElement || window;
-  if (isText(target)) {
-    return target.parentNode;
-  }
-  return target;
-}
 
 // 支持的输入框类型
 const supportedInputTypes = ['color', 'date', 'datetime', 'datetime-local', 'email', 'month',
@@ -46,11 +14,9 @@ export function isTextInputElement(dom?: HTMLElement): boolean {
 
 
 // 例：dragEnd -> onDragEnd
-export function getCustomEventNameWithOn(name) {
+export function addOnPrefix(name) {
   if (!name) {
     return '';
   }
-  const capitalizedEvent = name[0].toUpperCase() + name.slice(1);
-  const horizonEventName = 'on' + capitalizedEvent;
-  return horizonEventName;
+  return 'on' + name[0].toUpperCase() + name.slice(1);
 }
diff --git a/libs/horizon/src/external/JSXElement.ts b/libs/horizon/src/external/JSXElement.ts
index 9a06a957..2a138387 100644
--- a/libs/horizon/src/external/JSXElement.ts
+++ b/libs/horizon/src/external/JSXElement.ts
@@ -37,7 +37,7 @@ function mergeDefault(sourceObj, defaultObj) {
   });
 }
 
-function buildElement(isClone, type, setting, ...children) {
+function buildElement(isClone, type, setting, children) {
   // setting中的值优先级最高，clone情况下从 type 中取值，创建情况下直接赋值为 null
   const key = (setting && setting.key !== undefined) ? String(setting.key) : (isClone ? type.key : null);
   const ref = (setting && setting.ref !== undefined) ? setting.ref : (isClone ? type.ref : null);
@@ -45,11 +45,14 @@ function buildElement(isClone, type, setting, ...children) {
   let vNode = isClone ? type.belongClassVNode : getProcessingClassVNode();
 
   if (setting != null) {
-    Object.keys(setting).forEach(k => {
+    const keys = Object.keys(setting);
+    const keyLength = keys.length;
+    for(let i = 0; i < keyLength; i++) {
+      const k = keys[i];
       if (isValidKey(k)) {
         props[k] = setting[k];
       }
-    });
+    }
     if (setting.ref !== undefined && isClone) {
       vNode = getProcessingClassVNode();
     }
@@ -69,11 +72,11 @@ function buildElement(isClone, type, setting, ...children) {
 
 // 创建Element结构体，供JSX编译时调用
 export function createElement(type, setting, ...children) {
-  return buildElement(false, type, setting, ...children);
+  return buildElement(false, type, setting, children);
 }
 
 export function cloneElement(element, setting, ...children) {
-  return buildElement(true, element, setting, ...children);
+  return buildElement(true, element, setting, children);
 }
 
 // 检测结构体是否为合法的Element
diff --git a/libs/horizon/src/renderer/ErrorHandler.ts b/libs/horizon/src/renderer/ErrorHandler.ts
index c6946c69..3c3305c1 100644
--- a/libs/horizon/src/renderer/ErrorHandler.ts
+++ b/libs/horizon/src/renderer/ErrorHandler.ts
@@ -8,10 +8,11 @@ import type {Update} from './UpdateHandler';
 import {ClassComponent, TreeRoot} from './vnode/VNodeTags';
 import {FlagUtils, Interrupted} from './vnode/VNodeFlags';
 import {newUpdate, UpdateState, pushUpdate} from './UpdateHandler';
-import {launchUpdateFromVNode, setBuildResultError, tryRenderRoot} from './TreeBuilder';
+import {launchUpdateFromVNode, tryRenderFromRoot} from './TreeBuilder';
 import {setRootThrowError} from './submit/Submit';
 import {handleSuspenseChildThrowError} from './render/SuspenseComponent';
 import {updateShouldUpdateOfTree} from './vnode/VNodeShouldUpdate';
+import {BuildErrored, setBuildResult} from './GlobalVar';
 
 function consoleError(error: any): void {
   if (isDev) {
@@ -82,7 +83,7 @@ export function handleRenderThrowError(
   }
 
   // 抛出错误无法作为suspense内容处理（或无suspense来处理），这次当成真的错误来处理
-  setBuildResultError();
+  setBuildResult(BuildErrored);
 
   // 向上遍历寻找ClassComponent组件（同时也是Error Boundaries组件） 或者 TreeRoot
   let vNode = sourceVNode.parent;
@@ -133,7 +134,7 @@ function triggerUpdate(vNode, state) {
 
   const root = updateShouldUpdateOfTree(vNode);
   if (root !== null) {
-    tryRenderRoot(root);
+    tryRenderFromRoot(root);
   }
 }
 
diff --git a/libs/horizon/src/renderer/ExecuteMode.ts b/libs/horizon/src/renderer/ExecuteMode.ts
index 68c6f2c1..490c8595 100644
--- a/libs/horizon/src/renderer/ExecuteMode.ts
+++ b/libs/horizon/src/renderer/ExecuteMode.ts
@@ -2,14 +2,16 @@
 export const ByAsync = 'BY_ASYNC';
 export const BySync = 'BY_SYNC';
 export const InRender = 'IN_RENDER';
+export const InEvent = 'IN_EVENT';
 
-type RenderMode = typeof ByAsync | typeof BySync | typeof InRender;
+type RenderMode = typeof ByAsync | typeof BySync | typeof InRender | typeof InEvent;
 
 // 当前执行模式标记
 let executeMode = {
   [ByAsync]: false,
   [BySync]: false,
   [InRender]: false,
+  [InEvent]: false,
 };
 
 export function changeMode(mode: RenderMode, state = true) {
@@ -21,7 +23,7 @@ export function checkMode(mode: RenderMode) {
 }
 
 export function isExecuting() {
-  return executeMode[ByAsync] || executeMode[BySync] || executeMode[InRender];
+  return executeMode[ByAsync] || executeMode[BySync] || executeMode[InRender] || executeMode[InEvent];
 }
 
 export function copyExecuteMode() {
diff --git a/libs/horizon/src/renderer/GlobalVar.ts b/libs/horizon/src/renderer/GlobalVar.ts
index e7ea335c..44911e69 100644
--- a/libs/horizon/src/renderer/GlobalVar.ts
+++ b/libs/horizon/src/renderer/GlobalVar.ts
@@ -1,6 +1,6 @@
 import type {VNode} from './Types';
 
-// 当前处理的classVNode，用于inst.refs用法中的
+// 当前处理的classVNode，用于设置inst.refs
 let processingClassVNode: VNode | null = null;
 export function getProcessingClassVNode(): VNode | null {
   return processingClassVNode;
diff --git a/libs/horizon/src/renderer/Renderer.ts b/libs/horizon/src/renderer/Renderer.ts
index d5cf89da..8928805a 100644
--- a/libs/horizon/src/renderer/Renderer.ts
+++ b/libs/horizon/src/renderer/Renderer.ts
@@ -9,9 +9,9 @@ import {
 } from './TreeBuilder';
 import { runAsyncEffects } from './submit/HookEffectHandler';
 import { Callback, newUpdate, pushUpdate } from './UpdateHandler';
-import { getFirstChild } from './vnode/VNodeUtils';
 
-export { createVNode } from './vnode/VNodeCreator';
+
+export { createVNode, createTreeRootVNode } from './vnode/VNodeCreator';
 export { createPortal } from './components/CreatePortal';
 export {
   asyncUpdates,
diff --git a/libs/horizon/src/renderer/TreeBuilder.ts b/libs/horizon/src/renderer/TreeBuilder.ts
index 35caaba6..3c9b729b 100644
--- a/libs/horizon/src/renderer/TreeBuilder.ts
+++ b/libs/horizon/src/renderer/TreeBuilder.ts
@@ -10,7 +10,7 @@ import { runAsyncEffects } from './submit/HookEffectHandler';
 import { handleRenderThrowError } from './ErrorHandler';
 import componentRenders from './render';
 import {
-  BuildCompleted, BuildErrored,
+  BuildCompleted,
   BuildFatalErrored,
   BuildInComplete, getBuildResult,
   getStartVNode,
@@ -22,10 +22,11 @@ import { findDomParent, getSiblingVNode } from './vnode/VNodeUtils';
 import {
   ByAsync,
   BySync,
+  InRender,
+  InEvent,
   changeMode,
   checkMode,
   copyExecuteMode,
-  InRender,
   isExecuting,
   setExecuteMode
 } from './ExecuteMode';
@@ -36,12 +37,11 @@ import {
   updateShouldUpdateOfTree
 } from './vnode/VNodeShouldUpdate';
 
-// 当前运行的vNode节点
-let processing: VNode | null = null;
-
 // 不可恢复错误
 let unrecoverableErrorDuringBuild: any = null;
 
+// 当前运行的vNode节点
+let processing: VNode | null = null;
 export function setProcessing(vNode: VNode | null) {
   processing = vNode;
 }
@@ -64,7 +64,7 @@ function collectDirtyNodes(vNode: VNode, parent: VNode): void {
   }
 }
 
-// ============================== 向上递归 ==============================
+// ============================== 向上冒泡 ==============================
 
 // 尝试完成当前工作单元，然后移动到下一个兄弟工作单元。如果没有更多的同级，请返回父vNode。
 function bubbleVNode(vNode: VNode): void {
@@ -201,18 +201,18 @@ function buildVNodeTree(treeRoot: VNode) {
   changeMode(InRender, true);
 
   // 计算出开始节点
-  const startUpdateVNode = calcStartUpdateVNode(treeRoot);
+  const startVNode = calcStartUpdateVNode(treeRoot);
   // 缓存起来
-  setStartVNode(startUpdateVNode);
+  setStartVNode(startVNode);
 
   // 清空toUpdateNodes
   treeRoot.toUpdateNodes.clear();
 
-  if (startUpdateVNode.tag !== TreeRoot) { // 不是根节点
+  if (startVNode.tag !== TreeRoot) { // 不是根节点
     // 设置namespace，用于createElement
-    const parentObj = findDomParent(startUpdateVNode);
+    const parentObj = findDomParent(startVNode);
 
-    // 当在componentWillUnmount中调用setState，parent可能是null，因为startUpdateVNode会被clear
+    // 当在componentWillUnmount中调用setState，parent可能是null，因为startVNode会被clear
     if (parentObj !== null) {
       const domParent = parentObj.parent;
       resetNamespaceCtx(domParent);
@@ -220,20 +220,20 @@ function buildVNodeTree(treeRoot: VNode) {
     }
 
     // 恢复父节点的context
-    recoverParentsContextCtx(startUpdateVNode);
+    recoverParentsContextCtx(startVNode);
   }
 
   // 重置环境变量，为重新进行深度遍历做准备
-  resetProcessingVariables(startUpdateVNode);
+  resetProcessingVariables(startVNode);
 
-  do {
+  while (processing !== null) {
     try {
       while (processing !== null) {
         // 捕获创建 vNodes
         const next = captureVNode(processing);
 
         if (next === null) {
-          // 如果没有产生新的，那么就完成当前节点，向上遍历
+          // 如果没有子节点，那么就完成当前节点，开始冒泡
           bubbleVNode(processing);
         } else {
           processing = next;
@@ -241,14 +241,10 @@ function buildVNodeTree(treeRoot: VNode) {
       }
 
       setProcessingClassVNode(null);
-
-      break;
     } catch (thrownValue) {
       handleError(treeRoot, thrownValue);
     }
-  } while (true);
-
-  processing = null;
+  }
 
   setExecuteMode(preMode);
 }
@@ -272,7 +268,7 @@ function renderFromRoot(treeRoot) {
 }
 
 // 尝试去渲染，已有任务就跳出
-export function tryRenderRoot(treeRoot: VNode) {
+export function tryRenderFromRoot(treeRoot: VNode) {
   if (treeRoot.shouldUpdate && treeRoot.task === null) {
     // 任务放进queue，但是调度开始还是异步的
     treeRoot.task = pushRenderCallback(
@@ -304,7 +300,7 @@ export function launchUpdateFromVNode(vNode: VNode) {
     // 不能改成下面的异步，否则会有时序问题，因为业务可能会依赖这个渲染的完成。
     renderFromRoot(treeRoot);
   } else {
-    tryRenderRoot(treeRoot);
+    tryRenderFromRoot(treeRoot);
 
     if (!isExecuting()) {
       // 同步执行
@@ -313,12 +309,6 @@ export function launchUpdateFromVNode(vNode: VNode) {
   }
 }
 
-export function setBuildResultError() {
-  if (getBuildResult() !== BuildCompleted) {
-    setBuildResult(BuildErrored);
-  }
-}
-
 // ============================== HorizonDOM使用 ==============================
 export function runDiscreteUpdates() {
   if (checkMode(ByAsync) || checkMode(InRender)) {
@@ -331,7 +321,7 @@ export function runDiscreteUpdates() {
 
 export function asyncUpdates(fn, ...param) {
   const preMode = copyExecuteMode();
-  changeMode(ByAsync, true);
+  changeMode(InEvent, true);
   try {
     return fn(...param);
   } finally {
diff --git a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
index 09624161..797687b5 100644
--- a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
+++ b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
@@ -2,7 +2,7 @@ import type { VNode } from '../Types';
 import { FlagUtils } from '../vnode/VNodeFlags';
 import { TYPE_COMMON_ELEMENT, TYPE_FRAGMENT, TYPE_PORTAL } from '../../external/JSXElementType';
 import { DomText, DomPortal, Fragment, DomComponent } from '../vnode/VNodeTags';
-import {updateVNode, createVNode, createVNodeFromElement, updateVNodePath} from '../vnode/VNodeCreator';
+import {updateVNode, createVNodeFromElement, updateVNodePath, createFragmentVNode, createPortalVNode, createDomTextVNode} from '../vnode/VNodeCreator';
 import {
   isSameType,
   getIteratorFn,
@@ -113,7 +113,7 @@ function getNewNode(parentNode: VNode, newChild: any, oldNode: VNode | null) {
   switch (newNodeType) {
     case DiffCategory.TEXT_NODE: {
       if (oldNode === null || oldNode.tag !== DomText) {
-        resultNode = createVNode(DomText, String(newChild));
+        resultNode = createDomTextVNode(String(newChild));
       } else {
         resultNode = updateVNode(oldNode, String(newChild));
       }
@@ -121,7 +121,7 @@ function getNewNode(parentNode: VNode, newChild: any, oldNode: VNode | null) {
     }
     case DiffCategory.ARR_NODE: {
       if (oldNode === null || oldNode.tag !== Fragment) {
-        resultNode = createVNode(Fragment, null, newChild);
+        resultNode = createFragmentVNode(null, newChild);
       } else {
         resultNode = updateVNode(oldNode, newChild);
       }
@@ -132,7 +132,7 @@ function getNewNode(parentNode: VNode, newChild: any, oldNode: VNode | null) {
         if (newChild.type === TYPE_FRAGMENT) {
           if (oldNode === null || oldNode.tag !== Fragment) {
             const key = oldNode !== null ? oldNode.key : newChild.key;
-            resultNode = createVNode(Fragment, key, newChild.props.children);
+            resultNode = createFragmentVNode(key, newChild.props.children);
           } else {
             resultNode = updateVNode(oldNode, newChild);
           }
@@ -151,7 +151,7 @@ function getNewNode(parentNode: VNode, newChild: any, oldNode: VNode | null) {
         break;
       } else if (newChild.vtype === TYPE_PORTAL) {
         if (oldNode === null || oldNode.tag !== DomPortal || oldNode.outerDom !== newChild.outerDom) {
-          resultNode = createVNode(DomPortal, newChild);
+          resultNode = createPortalVNode(newChild);
         } else {
           resultNode = updateVNode(oldNode, newChild.children || []);
         }
@@ -504,7 +504,7 @@ function diffStringNodeHandler(
     deleteVNodes(parentNode, firstChildVNode.next);
     newTextNode.next = null;
   } else {
-    newTextNode = createVNode(DomText, String(newChild));
+    newTextNode = createDomTextVNode(String(newChild));
     deleteVNodes(parentNode, firstChildVNode);
   }
 
@@ -562,7 +562,7 @@ function diffObjectNodeHandler(
     if (resultNode === null) {
       // 新建
       if (newChild.type === TYPE_FRAGMENT) {
-        resultNode = createVNode(Fragment, newChild.key, newChild.props.children);
+        resultNode = createFragmentVNode(newChild.key, newChild.props.children);
       } else {
         resultNode = createVNodeFromElement(newChild);
         resultNode.ref = newChild.ref;
@@ -580,7 +580,7 @@ function diffObjectNodeHandler(
     }
     if (resultNode === null) {
       // 新建
-      resultNode = createVNode(DomPortal, newChild);
+      resultNode = createPortalVNode(newChild);
     }
   }
 
diff --git a/libs/horizon/src/renderer/render/MemoComponent.ts b/libs/horizon/src/renderer/render/MemoComponent.ts
index d4a10d22..a0cd75f3 100644
--- a/libs/horizon/src/renderer/render/MemoComponent.ts
+++ b/libs/horizon/src/renderer/render/MemoComponent.ts
@@ -1,14 +1,13 @@
 import type {VNode} from '../Types';
 
 import {mergeDefaultProps} from './LazyComponent';
-import {updateVNode, createVNode, onlyUpdateChildVNodes, updateVNodePath} from '../vnode/VNodeCreator';
+import {updateVNode, onlyUpdateChildVNodes, updateVNodePath, createFragmentVNode, createUndeterminedVNode} from '../vnode/VNodeCreator';
 import {shallowCompare} from '../utils/compare';
 import {
   TYPE_FRAGMENT,
   TYPE_PROFILER,
   TYPE_STRICT_MODE,
 } from '../../external/JSXElementType';
-import {Fragment} from '../vnode/VNodeTags';
 
 export function bubbleRender() {}
 
@@ -24,9 +23,9 @@ export function captureMemoComponent(
     let newChild = null;
     const type = Component.type;
     if (type === TYPE_STRICT_MODE || type === TYPE_FRAGMENT || type === TYPE_PROFILER) {
-      newChild = createVNode(Fragment, null, newProps.children);
+      newChild = createFragmentVNode(null, newProps.children);
     } else {
-      newChild = createVNode('props', type, null, newProps, processing);
+      newChild = createUndeterminedVNode(type, null, newProps);
     }
     newChild.parent = processing;
     newChild.ref = processing.ref;
diff --git a/libs/horizon/src/renderer/render/SuspenseComponent.ts b/libs/horizon/src/renderer/render/SuspenseComponent.ts
index b84b1582..c2d6773b 100644
--- a/libs/horizon/src/renderer/render/SuspenseComponent.ts
+++ b/libs/horizon/src/renderer/render/SuspenseComponent.ts
@@ -1,15 +1,14 @@
 import type {VNode, PromiseType} from '../Types';
 
 import {FlagUtils, Interrupted} from '../vnode/VNodeFlags';
-import {createVNode, onlyUpdateChildVNodes, updateVNode, updateVNodePath} from '../vnode/VNodeCreator';
+import {onlyUpdateChildVNodes, updateVNode, updateVNodePath, createFragmentVNode} from '../vnode/VNodeCreator';
 import {
   ClassComponent,
   IncompleteClassComponent,
   SuspenseComponent,
-  Fragment,
 } from '../vnode/VNodeTags';
 import {pushForceUpdate} from '../UpdateHandler';
-import {launchUpdateFromVNode, tryRenderRoot} from '../TreeBuilder';
+import {launchUpdateFromVNode, tryRenderFromRoot} from '../TreeBuilder';
 import {updateShouldUpdateOfTree} from '../vnode/VNodeShouldUpdate';
 import {getContextChangeCtx} from '../ContextSaver';
 
@@ -31,12 +30,12 @@ function createFallback(processing: VNode, fallbackChildren) {
     if (oldFallbackFragment !== null) {
       fallbackFragment = updateVNode(oldFallbackFragment, fallbackChildren);
     } else {
-      fallbackFragment = createVNode(Fragment, null, fallbackChildren);
+      fallbackFragment = createFragmentVNode(null, fallbackChildren);
       FlagUtils.markAddition(fallbackFragment);
     }
   } else {
     // 创建
-    fallbackFragment = createVNode(Fragment, null, fallbackChildren);
+    fallbackFragment = createFragmentVNode(null, fallbackChildren);
   }
 
   processing.child = childFragment;
@@ -72,7 +71,7 @@ function createSuspenseChildren(processing: VNode, newChildren) {
     // SuspenseComponent 中使用
     processing.suspenseChildStatus = SuspenseChildStatus.ShowChild;
   } else {
-    childFragment = createVNode(Fragment, null, newChildren);
+    childFragment = createFragmentVNode(null, newChildren);
   }
 
   childFragment.parent = processing;
@@ -210,7 +209,7 @@ function resolvePromise(suspenseVNode: VNode, promise: PromiseType<any>) {
   suspenseVNode.promiseResolve = true;
   const root = updateShouldUpdateOfTree(suspenseVNode);
   if (root !== null) {
-    tryRenderRoot(root);
+    tryRenderFromRoot(root);
   }
 }
 
diff --git a/libs/horizon/src/renderer/submit/HookEffectHandler.ts b/libs/horizon/src/renderer/submit/HookEffectHandler.ts
index 36344ff3..b6706389 100644
--- a/libs/horizon/src/renderer/submit/HookEffectHandler.ts
+++ b/libs/horizon/src/renderer/submit/HookEffectHandler.ts
@@ -7,22 +7,16 @@ import type {
   Effect as HookEffect,
   EffectList,
 } from '../hooks/HookType';
-import {
-  callRenderQueueImmediate,
-} from '../taskExecutor/RenderQueue';
 import {runAsync} from '../taskExecutor/TaskExecutor';
 import {
   copyExecuteMode, InRender, setExecuteMode,changeMode
 } from '../ExecuteMode';
-import {handleSubmitError} from '../ErrorHandler';
-import {clearDirtyNodes} from './Submit';
 import {EffectConstant} from '../hooks/EffectConstant';
 
 let hookEffects: Array<HookEffect | VNode> = [];
 let hookRemoveEffects: Array<HookEffect | VNode> = [];
 // 是否正在异步调度effects
 let isScheduling: boolean = false;
-let hookEffectRoot: VNode | null = null;
 
 export function setSchedulingEffects(value) {
   isScheduling = value;
@@ -31,13 +25,6 @@ export function isSchedulingEffects() {
   return isScheduling;
 }
 
-export function setHookEffectRoot(root: VNode | null) {
-  hookEffectRoot = root;
-}
-export function getHookEffectRoot() {
-  return hookEffectRoot;
-}
-
 export function callUseEffects(vNode: VNode) {
   const effectList: EffectList = vNode.effectList;
 
@@ -47,8 +34,8 @@ export function callUseEffects(vNode: VNode) {
       (effectConstant & EffectConstant.Effect) !== EffectConstant.NoEffect &&
       (effectConstant & EffectConstant.DepsChange) !== EffectConstant.NoEffect
     ) {
-      hookEffects.push({effect, vNode});
-      hookRemoveEffects.push({effect, vNode});
+      hookEffects.push(effect);
+      hookRemoveEffects.push(effect);
 
       // 异步调用
       if (!isScheduling) {
@@ -60,20 +47,13 @@ export function callUseEffects(vNode: VNode) {
 }
 
 export function runAsyncEffects() {
-  if (hookEffectRoot === null) {
-    return false;
-  }
-
-  const root = hookEffectRoot;
-  hookEffectRoot = null;
-
   const preMode = copyExecuteMode();
   changeMode(InRender, true);
 
   // 调用effect destroy
   const removeEffects = hookRemoveEffects;
   hookRemoveEffects = [];
-  removeEffects.forEach(({effect, vNode}) => {
+  removeEffects.forEach((effect) => {
     const destroy = effect.removeEffect;
     effect.removeEffect = undefined;
 
@@ -81,7 +61,7 @@ export function runAsyncEffects() {
       try {
         destroy();
       } catch (error) {
-        handleSubmitError(vNode, error);
+        // 不处理副作用阶段抛出的异常
       }
     }
   });
@@ -89,24 +69,17 @@ export function runAsyncEffects() {
   // 调用effect create
   const createEffects = hookEffects;
   hookEffects = [];
-  createEffects.forEach(({effect, vNode}) => {
+  createEffects.forEach((effect) => {
     try {
       const create = effect.effect;
 
       effect.removeEffect = create();
     } catch (error) {
-      handleSubmitError(vNode, error);
+      // 不处理副作用阶段抛出的异常
     }
   });
 
-  // 清理dirtyNodes
-  clearDirtyNodes(root.dirtyNodes);
-
   setExecuteMode(preMode);
-
-  callRenderQueueImmediate();
-
-  return true;
 }
 
 // 在销毁vNode的时候调用remove
@@ -118,7 +91,7 @@ export function callEffectRemove(vNode: VNode) {
 
     if (removeEffect !== undefined) {
       if ((effectConstant & EffectConstant.Effect) !== EffectConstant.NoEffect) { // 如果是useEffect，就异步调用
-        hookRemoveEffects.push({effect, vNode});
+        hookRemoveEffects.push(effect);
 
         if (!isScheduling) {
           isScheduling = true;
@@ -136,10 +109,10 @@ export function callUseLayoutEffectRemove(vNode: VNode) {
   const effectList: EffectList = vNode.effectList;
 
   const layoutLabel = EffectConstant.LayoutEffect | EffectConstant.DepsChange;
-  effectList.forEach(item => {
-    if ((item.effectConstant & layoutLabel) === layoutLabel) {
-      const remove = item.removeEffect;
-      item.removeEffect = undefined;
+  effectList.forEach(effect => {
+    if ((effect.effectConstant & layoutLabel) === layoutLabel) {
+      const remove = effect.removeEffect;
+      effect.removeEffect = undefined;
       if (typeof remove === 'function') {
         remove();
       }
@@ -152,10 +125,10 @@ export function callUseLayoutEffectCreate(vNode: VNode) {
   const effectList: EffectList = vNode.effectList;
 
   const layoutLabel = EffectConstant.LayoutEffect | EffectConstant.DepsChange;
-  effectList.forEach(item => {
-    if ((item.effectConstant & layoutLabel) === layoutLabel) {
-      const create = item.effect;
-      item.removeEffect = create();
+  effectList.forEach(effect => {
+    if ((effect.effectConstant & layoutLabel) === layoutLabel) {
+      const create = effect.effect;
+      effect.removeEffect = create();
     }
   });
 }
diff --git a/libs/horizon/src/renderer/submit/LifeCycleHandler.ts b/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
index 9dafedd5..a6ae1835 100644
--- a/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
+++ b/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
@@ -27,7 +27,6 @@ import {
   removeChildDom,
   hideDom,
   unHideDom,
-  clearContainer,
 } from '../../dom/DOMOperator';
 import {
   callEffectRemove,
@@ -56,28 +55,17 @@ function callComponentWillUnmount(vNode: VNode, instance: any) {
 function callBeforeSubmitLifeCycles(
   vNode: VNode,
 ): void {
-  switch (vNode.tag) {
-    case ClassComponent: { // 调用instance.getSnapshotBeforeUpdate
-      if (!vNode.isCreated) {
-        const prevProps = vNode.isLazyComponent
-          ? mergeDefaultProps(vNode.type, vNode.oldProps)
-          : vNode.oldProps;
-        const prevState = vNode.oldState;
-        const instance = vNode.realNode;
+  if (vNode.tag === ClassComponent && !vNode.isCreated) { // 调用instance.getSnapshotBeforeUpdate
+    const prevProps = vNode.isLazyComponent
+      ? mergeDefaultProps(vNode.type, vNode.oldProps)
+      : vNode.oldProps;
+    const prevState = vNode.oldState;
+    const instance = vNode.realNode;
 
-        const snapshot = instance.getSnapshotBeforeUpdate(prevProps, prevState);
+    const snapshot = instance.getSnapshotBeforeUpdate(prevProps, prevState);
 
-        // __snapshotResult会在调用componentDidUpdate的时候作为第三个参数
-        instance.__snapshotResult = snapshot;
-      }
-      return;
-    }
-    case TreeRoot: {
-      const root = vNode.realNode;
-      clearContainer(root.outerDom);
-    }
-
-    // No Default
+    // __snapshotResult会在调用componentDidUpdate的时候作为第三个参数
+    instance.__snapshotResult = snapshot;
   }
 }
 
@@ -138,7 +126,6 @@ function callAfterSubmitLifeCycles(
       if (vNode.isCreated && vNode.flags.Update) {
         // button、input、select、textarea、如果有 autoFocus 属性需要focus
         if (shouldAutoFocus(vNode.type, vNode.props)) {
-          // button、input、select、textarea、如果有 autoFocus 属性需要focus
           vNode.realNode.focus();
         }
       }
@@ -333,11 +320,12 @@ function submitClear(vNode: VNode): void {
     clearVNode(clearChild);
     clearChild = clearChild.next as VNode;
   }
-  
+
   // 在所有子项都卸载后，删除dom树中的节点
   removeChildDom(currentParent, vNode.realNode);
   currentParent.append(cloneDom);
   vNode.realNode = cloneDom;
+  attachRef(vNode);
   FlagUtils.removeFlag(vNode, Clear);
   vNode.clearChild = null;
 }
diff --git a/libs/horizon/src/renderer/submit/Submit.ts b/libs/horizon/src/renderer/submit/Submit.ts
index 446569bb..e222564f 100644
--- a/libs/horizon/src/renderer/submit/Submit.ts
+++ b/libs/horizon/src/renderer/submit/Submit.ts
@@ -11,18 +11,16 @@ import {
   callBeforeSubmitLifeCycles, submitDeletion, submitAddition,
   submitResetTextContent, submitUpdate, detachRef, submitClear,
 } from './LifeCycleHandler';
-import {tryRenderRoot, setProcessing} from '../TreeBuilder';
+import {tryRenderFromRoot} from '../TreeBuilder';
 import {
-  BySync,
   InRender,
   copyExecuteMode,
   setExecuteMode,
-  checkMode,
   changeMode,
 } from '../ExecuteMode';
 import {
   isSchedulingEffects,
-  setSchedulingEffects, setHookEffectRoot,
+  setSchedulingEffects,
 } from './HookEffectHandler';
 import {getStartVNode} from '../GlobalVar';
 
@@ -67,18 +65,13 @@ export function submitToRender(treeRoot) {
 
   if (isSchedulingEffects()) {
     setSchedulingEffects(false);
-
-    // 记录root，说明这个root有副作用要执行
-    setHookEffectRoot(treeRoot);
-  } else {
-    clearDirtyNodes(dirtyNodes);
   }
 
   // 统计root同步重渲染的次数，如果太多可能是无线循环
   countLoopingUpdate(treeRoot);
 
   // 在退出`submit` 之前始终调用此函数，以确保任何已计划在此根上执行的update被执行。
-  tryRenderRoot(treeRoot);
+  tryRenderFromRoot(treeRoot);
 
   if (rootThrowError) {
     const error = rootThrowError;
@@ -86,11 +79,6 @@ export function submitToRender(treeRoot) {
     throw error;
   }
 
-  // 非批量：即同步执行的，没有必要去执行RenderQueue，RenderQueue放的是异步的
-  if (!checkMode(BySync)) { // 非批量
-    callRenderQueueImmediate();
-  }
-
   return null;
 }
 
@@ -101,7 +89,6 @@ function beforeSubmit(dirtyNodes: Array<VNode>) {
         callBeforeSubmitLifeCycles(node);
       }
     } catch (error) {
-      throwIfTrue(node === null, 'Should be working on an effect.');
       handleSubmitError(node, error);
     }
   });
@@ -143,7 +130,6 @@ function submit(dirtyNodes: Array<VNode>) {
         }
       }
     } catch (error) {
-      throwIfTrue(node === null, 'Should be working on an effect.');
       handleSubmitError(node, error);
     }
   });
@@ -160,7 +146,6 @@ function afterSubmit(dirtyNodes: Array<VNode>) {
         attachRef(node);
       }
     } catch (error) {
-      throwIfTrue(node === null, 'Should be working on an effect.');
       handleSubmitError(node, error);
     }
   });
@@ -197,13 +182,3 @@ export function checkLoopingUpdateLimit() {
     );
   }
 }
-
-// 清理dirtyNodes
-export function clearDirtyNodes(dirtyNodes) {
-  dirtyNodes.forEach(node => {
-    if (node.flags.Deletion) {
-      node.realNode = null;
-      node.next = null;
-    }
-  });
-}
diff --git a/libs/horizon/src/renderer/taskExecutor/RenderQueue.ts b/libs/horizon/src/renderer/taskExecutor/RenderQueue.ts
index 31760489..de3203d8 100644
--- a/libs/horizon/src/renderer/taskExecutor/RenderQueue.ts
+++ b/libs/horizon/src/renderer/taskExecutor/RenderQueue.ts
@@ -28,22 +28,14 @@ function callRenderQueue() {
     // 防止重入
     isCallingRenderQueue = true;
 
-    let i = 0;
     try {
-      for (; i < renderQueue.length; i++) {
-        let callback = renderQueue[i];
+      let callback;
+      while (callback = renderQueue.shift()) {
         callback();
       }
+
       renderQueue = null;
     } catch (error) {
-      // 如果有异常抛出，请将剩余的回调留在队列中
-      if (renderQueue !== null) {
-        renderQueue = renderQueue.slice(i + 1);
-      }
-
-      // 在下一个异步中再调用
-      runAsync(callRenderQueueImmediate, ImmediatePriority);
-
       throw error;
     } finally {
       isCallingRenderQueue = false;
diff --git a/libs/horizon/src/renderer/vnode/VNodeCreator.ts b/libs/horizon/src/renderer/vnode/VNodeCreator.ts
index 5feb31f4..11abe1b1 100644
--- a/libs/horizon/src/renderer/vnode/VNodeCreator.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeCreator.ts
@@ -87,59 +87,71 @@ export function updateVNode(vNode: VNode, vNodeProps?: any): VNode {
 function getVNodeTag(type: any) {
   let vNodeTag = ClsOrFunComponent;
   let isLazy = false;
+  const componentType = typeof type;
 
-  if (typeof type === 'function') {
+  if (componentType === 'function') {
     if (isClassComponent(type)) {
       vNodeTag = ClassComponent;
     }
-  } else if (typeof type === 'string') {
+  } else if (componentType === 'string') {
     vNodeTag = DomComponent;
   } else if (type === TYPE_SUSPENSE) {
     vNodeTag = SuspenseComponent;
-  } else if (typeof type === 'object' && type !== null && typeMap[type.vtype]) {
+  } else if (componentType === 'object' && type !== null && typeMap[type.vtype]) {
     vNodeTag = typeMap[type.vtype];
     isLazy = type.vtype === TYPE_LAZY;
   } else {
-    throw Error(`Component type is invalid, got: ${type == null ? type : typeof type}`);
+    throw Error(`Component type is invalid, got: ${type == null ? type : componentType}`);
   }
   return { vNodeTag, isLazy };
 }
 
+export function createFragmentVNode(fragmentKey, fragmentProps) {
+  const vNode = newVirtualNode(Fragment, fragmentKey, fragmentProps);
+  vNode.shouldUpdate = true;
+  return vNode;
+}
+
+export function createDomTextVNode(content) {
+  const vNode = newVirtualNode(DomText, null, content);
+  vNode.shouldUpdate = true;
+  return vNode;
+}
+
+export function createPortalVNode(portal) {
+  const children = portal.children ?? [];
+  const vNode = newVirtualNode(DomPortal, portal.key, children);
+  vNode.shouldUpdate = true;
+  vNode.outerDom = portal.outerDom;
+  return vNode;
+}
+
+export function createUndeterminedVNode(type, key, props) {
+  const { vNodeTag, isLazy } = getVNodeTag(type);
+
+  const vNode = newVirtualNode(vNodeTag, key, props);
+  vNode.type = type;
+  vNode.shouldUpdate = true;
+
+  // lazy类型的特殊处理
+  vNode.isLazyComponent = isLazy;
+  if (isLazy) {
+    vNode.lazyType = type;
+  }
+  return vNode;
+}
+
+export function createTreeRootVNode(container) {
+  const vNode = newVirtualNode(TreeRoot, null, null, container);
+  vNode.path.push(0);
+  createUpdateArray(vNode);
+  return vNode;
+}
+
+// TODO: 暂时保留给测试用例使用，后续修改测试用例
 export function createVNode(tag: VNodeTag | string, ...secondArg) {
   let vNode = null;
   switch (tag) {
-    case Fragment:
-      const [fragmentKey, fragmentProps] = secondArg;
-      vNode = newVirtualNode(Fragment, fragmentKey, fragmentProps);
-      vNode.shouldUpdate = true;
-      break;
-    case DomText:
-      const content = secondArg[0];
-      vNode = newVirtualNode(DomText, null, content);
-      vNode.shouldUpdate = true;
-      break;
-    case DomPortal:
-      const portal = secondArg[0];
-      const children = portal.children ?? [];
-      vNode = newVirtualNode(DomPortal, portal.key, children);
-      vNode.shouldUpdate = true;
-      vNode.outerDom = portal.outerDom;
-      break;
-    case 'props':
-      const [type, key, props] = secondArg;
-
-      const { vNodeTag, isLazy } = getVNodeTag(type);
-
-      vNode = newVirtualNode(vNodeTag, key, props);
-      vNode.type = type;
-      vNode.shouldUpdate = true;
-
-      // lazy类型的特殊处理
-      vNode.isLazyComponent = isLazy;
-      if (isLazy) {
-        vNode.lazyType = type;
-      }
-      break;
     case TreeRoot:
       // 创建treeRoot
       vNode = newVirtualNode(TreeRoot, null, null, secondArg[0]);
@@ -162,9 +174,9 @@ export function createVNodeFromElement(element: JSXElement): VNode {
   const props = element.props;
 
   if (type === TYPE_STRICT_MODE || type === TYPE_FRAGMENT || type === TYPE_PROFILER) {
-    return createVNode(Fragment, key, props.children);
+    return createFragmentVNode(key, props.children);
   } else {
-    return createVNode('props', type, key, props);
+    return createUndeterminedVNode(type, key, props);
   }
 }
 
diff --git a/libs/horizon/src/renderer/vnode/VNodeFlags.ts b/libs/horizon/src/renderer/vnode/VNodeFlags.ts
index f511ac85..48d0331d 100644
--- a/libs/horizon/src/renderer/vnode/VNodeFlags.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeFlags.ts
@@ -39,14 +39,16 @@ export class FlagUtils {
     });
   }
   static hasAnyFlag(node: VNode) { // 有标志位
-    let keyFlag = false;
-    FlagArr.forEach(key => {
-      if (node.flags[key]) {
-        keyFlag = true;
-        return;
+    const flags = node.flags;
+    const arrLength = FlagArr.length;
+    let key;
+    for (let i = 0; i < arrLength; i++) {
+      key = FlagArr[i];
+      if (flags[key]) {
+        return true;
       }
-    });
-    return keyFlag;
+    }
+    return false;
   }
 
   static setNoFlags(node: VNode) {
@@ -91,7 +93,6 @@ export class FlagUtils {
   static markForceUpdate(node: VNode) {
     node.flags.ForceUpdate = true;
   }
-
   static markClear(node: VNode) {
     node.flags.Clear = true;
   }
diff --git a/libs/horizon/src/renderer/vnode/VNodeShouldUpdate.ts b/libs/horizon/src/renderer/vnode/VNodeShouldUpdate.ts
index 8dfe8c7e..72afb236 100644
--- a/libs/horizon/src/renderer/vnode/VNodeShouldUpdate.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeShouldUpdate.ts
@@ -56,6 +56,7 @@ export function updateParentsChildShouldUpdate(vNode: VNode) {
   let isShouldUpdate = vNode.shouldUpdate || vNode.childShouldUpdate;
 
   if (isShouldUpdate) { // 开始节点是shouldUpdate或childShouldUpdate
+    // 更新从当前节点到根节点的childShouldUpdate为true
     setParentsChildShouldUpdate(node);
   } else {
     while (node !== null) {
diff --git a/libs/horizon/src/renderer/vnode/VNodeUtils.ts b/libs/horizon/src/renderer/vnode/VNodeUtils.ts
index 09ff6f0e..dc38b93e 100644
--- a/libs/horizon/src/renderer/vnode/VNodeUtils.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeUtils.ts
@@ -81,7 +81,6 @@ export function clearVNode(vNode: VNode) {
   vNode.next = null;
   vNode.depContexts = [];
   vNode.dirtyNodes = [];
-  vNode.oldProps = null;
   vNode.state = null;
   vNode.hooks = [];
   vNode.suspenseChildStatus = '';
@@ -91,7 +90,9 @@ export function clearVNode(vNode: VNode) {
   vNode.changeList = null;
   vNode.effectList = [];
   vNode.updates = null;
+  vNode.realNode = null;
 
+  vNode.oldProps = null;
   vNode.oldHooks = [];
   vNode.oldState = null;
   vNode.oldRef = null;
@@ -260,14 +261,14 @@ export function getExactNode(targetVNode, targetContainer) {
       if (isPortalRoot(vNode, targetContainer)) {
         return null;
       }
+
       while (container !== null) {
         const parentNode = getNearestVNode(container);
         if (parentNode === null) {
           return null;
         }
         if (parentNode.tag === DomComponent || parentNode.tag === DomText) {
-          vNode = parentNode;
-          return getExactNode(vNode, targetContainer);
+          return getExactNode(parentNode, targetContainer);
         }
         container = container.parentNode;
       }