diff --git a/libs/horizon/src/dom/DOMInternalKeys.ts b/libs/horizon/src/dom/DOMInternalKeys.ts
index 6ddbdb5b..2f4ccb23 100644
--- a/libs/horizon/src/dom/DOMInternalKeys.ts
+++ b/libs/horizon/src/dom/DOMInternalKeys.ts
@@ -14,13 +14,9 @@ import {
   TreeRoot,
 } from '../renderer/vnode/VNodeTags';
 
-const prefix = '_horizon';
-
-const internalKeys = {
-  VNode: `${prefix}VNode`,
-  props: `${prefix}Props`,
-  nonDelegatedEvents: `${prefix}NonDelegatedEvents`,
-};
+const INTERNAL_VNODE = '_horizon_VNode';
+const INTERNAL_PROPS = '_horizon_Props';
+const INTERNAL_NONDELEGATEEVENTS = '_horizon_NonDelegatedEvents';
 
 // 通过 VNode 实例获取 DOM 节点
 export function getDom(vNode: VNode): Element | Text | null {
@@ -36,12 +32,12 @@ export function saveVNode(
   vNode: VNode,
   dom: Element | Text | Container,
 ): void {
-  dom[internalKeys.VNode] = vNode;
+  dom[INTERNAL_VNODE] = vNode;
 }
 
 // 用 DOM 节点，来找其对应的 VNode 实例
 export function getVNode(dom: Node|Container): VNode | null {
-  const vNode = dom[internalKeys.VNode] || (dom as Container)._treeRoot;
+  const vNode = dom[INTERNAL_VNODE] || (dom as Container)._treeRoot;
   if (vNode) {
     const {tag} = vNode;
     if (tag === DomComponent || tag === DomText || tag === TreeRoot) {
@@ -53,7 +49,7 @@ export function getVNode(dom: Node|Container): VNode | null {
 
 // 用 DOM 对象，来寻找其对应或者说是最近父级的 vNode
 export function getNearestVNode(dom: Node): null | VNode {
-  let vNode = dom[internalKeys.VNode];
+  let vNode = dom[INTERNAL_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;
   }
@@ -62,7 +58,7 @@ export function getNearestVNode(dom: Node): null | VNode {
   let parentDom = dom.parentNode;
   let nearVNode = null;
   while (parentDom) {
-    vNode = parentDom[internalKeys.VNode];
+    vNode = parentDom[INTERNAL_VNODE];
     if (vNode) {
       nearVNode = vNode;
       break;
@@ -74,19 +70,19 @@ export function getNearestVNode(dom: Node): null | VNode {
 
 // 获取 vNode 上的属性相关信息
 export function getVNodeProps(dom: Element | Text): Props | null{
-  return dom[internalKeys.props] || null;
+  return dom[INTERNAL_PROPS] || null;
 }
 
 // 将 DOM 属性相关信息挂到 DOM 对象的特定属性上
 export function updateVNodeProps(dom: Element | Text, props: Props): void {
-  dom[internalKeys.props] = props;
+  dom[INTERNAL_PROPS] = props;
 }
 
 export function getNonDelegatedListenerMap(dom: Element | Text): Map<string, EventListener> {
-  let eventsMap = dom[internalKeys.nonDelegatedEvents];
+  let eventsMap = dom[INTERNAL_NONDELEGATEEVENTS];
   if (!eventsMap) {
     eventsMap = new Map();
-    dom[internalKeys.nonDelegatedEvents] = eventsMap;
+    dom[INTERNAL_NONDELEGATEEVENTS] = eventsMap;
   }
   return eventsMap;
 }
diff --git a/libs/horizon/src/dom/DOMOperator.ts b/libs/horizon/src/dom/DOMOperator.ts
index 969219f0..169e85b2 100644
--- a/libs/horizon/src/dom/DOMOperator.ts
+++ b/libs/horizon/src/dom/DOMOperator.ts
@@ -6,7 +6,7 @@ import {
   createDom,
 } from './utils/DomCreator';
 import { getSelectionInfo, resetSelectionRange, SelectionData } from './SelectionRangeHandler';
-import { isElement, isComment, isDocument, isDocumentFragment, getDomTag, shouldAutoFocus } from './utils/Common';
+import { shouldAutoFocus } from './utils/Common';
 import { NSS } from './utils/DomCreator';
 import { adjustStyleValue } from './DOMPropertiesHandler/StyleHandler';
 
@@ -165,7 +165,7 @@ export function submitDomUpdate(tag: string, vNode: VNode) {
         // 应用diff更新Properties.
         // 当一个选中的radio改变名称,浏览器使另一个radio的复选框为false.
         if (type === 'input' && newProps.type === 'radio' && newProps.name != null && newProps.checked != null) {
-          updateCommonProp(element, 'checked', newProps.checked);
+          updateCommonProp(element, 'checked', newProps.checked, true);
         }
         const isNativeTag = isNativeElement(type, newProps);
         updateDomProps(element, changeList, isNativeTag);
diff --git a/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts b/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
index 482a15a9..d0755511 100644
--- a/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
+++ b/libs/horizon/src/dom/DOMPropertiesHandler/DOMPropertiesHandler.ts
@@ -11,20 +11,18 @@ import { isEventProp, isNativeElement } from '../validators/ValidateProps';
 function updateOneProp(dom, propName, isNativeTag, propVal?, isInit?: boolean) {
   if (propName === 'style') {
     setStyles(dom, propVal);
-  } 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
-    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
     if (!allDelegatedHorizonEvents.has(propName)) {
       listenNonDelegatedEvent(propName, dom, propVal);
     }
+  } else if (propName === 'children') { // 只处理纯文本子节点，其他children在VNode树中处理
+    const type = typeof propVal;
+    if (type === 'string' || type === 'number') {
+      dom.textContent = propVal;
+    }
+  } else if (propName === 'dangerouslySetInnerHTML') {
+    dom.innerHTML = propVal.__html;
   } else {
     if (!isInit || (isInit && propVal != null)) {
       updateCommonProp(dom, propName, propVal, isNativeTag);
@@ -40,10 +38,12 @@ export function setDomProps(
 ): void {
   const isNativeTag = isNativeElement(tagName, props);
   const keysOfProps = Object.keys(props);
-
-  for (let i = 0; i < keysOfProps.length; i++) {
-    const propName = keysOfProps[i];
-    const propVal = props[propName];
+  let propName;
+  let propVal;
+  const keyLength = keysOfProps.length;
+  for (let i = 0; i < keyLength; i++) {
+    propName = keysOfProps[i];
+    propVal = props[propName];
 
     updateOneProp(dom, propName, isNativeTag, propVal, true);
   }
@@ -55,9 +55,12 @@ export function updateDomProps(
   changeList: Array<any>,
   isNativeTag: boolean,
 ): void {
-  for (let i = 0; i < changeList.length; i++) {
-    const { propName, propVal } = changeList[i];
-
+  const listLength = changeList.length;
+  let propName;
+  let propVal;
+  for (let i = 0; i < listLength; i++) {
+    propName = changeList[i].propName;
+    propVal = changeList[i].propVal;
     updateOneProp(dom, propName, isNativeTag, propVal);
   }
 }
@@ -73,19 +76,24 @@ export function compareProps(
   const keysOfOldProps = Object.keys(oldProps);
   const keysOfNewProps = Object.keys(newProps);
 
+  const oldPropsLength = keysOfOldProps.length;
+  let propName;
+  let oldStyle;
+  let styleProps;
+  let styleProp;
   // 找到旧属性中需要删除的属性
-  for (let i = 0; i < keysOfOldProps.length; i++) {
-    const propName = keysOfOldProps[i];
+  for (let i = 0; i < oldPropsLength; i++) {
+    propName = keysOfOldProps[i];
     // 新属性中包含该属性或者该属性为空值的属性不需要处理
     if (keysOfNewProps.includes(propName) || oldProps[propName] == null) {
       continue;
     }
 
     if (propName === 'style') {
-      const oldStyle = oldProps[propName];
-      const styleProps = Object.keys(oldStyle);
+      oldStyle = oldProps[propName];
+      styleProps = Object.keys(oldStyle);
       for (let j = 0; j < styleProps.length; j++) {
-        const styleProp = styleProps[j];
+        styleProp = styleProps[j];
         updatesForStyle[styleProp] = '';
       }
     } else if (
@@ -110,11 +118,17 @@ export function compareProps(
     }
   }
 
+  let newPropValue;
+  let oldPropValue;
+  let oldStyleProps;
+  let newStyleProps;
+  let newHTML;
+  let oldHTML;
   // 遍历新属性，获取新增和变更属性
   for (let i = 0; i < keysOfNewProps.length; i++) {
-    const propName = keysOfNewProps[i];
-    const newPropValue = newProps[propName];
-    const oldPropValue = oldProps != null ? oldProps[propName] : null;
+    propName = keysOfNewProps[i];
+    newPropValue = newProps[propName];
+    oldPropValue = oldProps != null ? oldProps[propName] : null;
 
     if (newPropValue === oldPropValue || (newPropValue == null && oldPropValue == null)) {
       // 新旧属性值未发生变化，或者新旧属性皆为空值，不需要进行处理
@@ -124,18 +138,18 @@ export function compareProps(
     if (propName === 'style') {
       if (oldPropValue) { // 之前 style 属性有设置非空值
         // 原来有这个 style，但现在没这个 style 了
-        const oldStyleProps = Object.keys(oldPropValue);
+        oldStyleProps = Object.keys(oldPropValue);
         for (let j = 0; j < oldStyleProps.length; j++) {
-          const styleProp = oldStyleProps[j];
+          styleProp = oldStyleProps[j];
           if (!newPropValue || !Object.prototype.hasOwnProperty.call(newPropValue, styleProp)) {
             updatesForStyle[styleProp] = '';
           }
         }
 
         // 现在有这个 style，但是和原来不相等
-        const newStyleProps = newPropValue ? Object.keys(newPropValue) : [];
+        newStyleProps = newPropValue ? Object.keys(newPropValue) : [];
         for (let j = 0; j < newStyleProps.length; j++) {
-          const styleProp = newStyleProps[j];
+          styleProp = newStyleProps[j];
           if (oldPropValue[styleProp] !== newPropValue[styleProp]) {
             updatesForStyle[styleProp] = newPropValue[styleProp];
           }
@@ -150,8 +164,8 @@ export function compareProps(
         updatesForStyle = newPropValue;
       }
     } else if (propName === 'dangerouslySetInnerHTML') {
-      const newHTML = newPropValue ? newPropValue.__html : undefined;
-      const oldHTML = oldPropValue ? oldPropValue.__html : undefined;
+      newHTML = newPropValue ? newPropValue.__html : undefined;
+      oldHTML = oldPropValue ? oldPropValue.__html : undefined;
       if (newHTML != null) {
         if (oldHTML !== newHTML) {
           toBeUpdatedProps.push({
diff --git a/libs/horizon/src/dom/DOMPropertiesHandler/UpdateCommonProp.ts b/libs/horizon/src/dom/DOMPropertiesHandler/UpdateCommonProp.ts
index 5af59913..468408ac 100644
--- a/libs/horizon/src/dom/DOMPropertiesHandler/UpdateCommonProp.ts
+++ b/libs/horizon/src/dom/DOMPropertiesHandler/UpdateCommonProp.ts
@@ -29,7 +29,7 @@ function convertToLowerCase(str) {
  * attrName 指代码中属性设置的属性名称（如 class）
  * 多数情况 attrName 仅用作初始 DOM 节点对象使用，而 property 更多用于页面交互
  */
-export function updateCommonProp(dom: Element, attrName: string, value: any, isNativeTag: boolean = true) {
+export function updateCommonProp(dom: Element, attrName: string, value: any, isNativeTag: boolean) {
   const propDetails = getPropDetails(attrName);
 
   if (isInvalidValue(attrName, value, propDetails, isNativeTag)) {
diff --git a/libs/horizon/src/dom/utils/DomCreator.ts b/libs/horizon/src/dom/utils/DomCreator.ts
index 9d89ef5f..360aea81 100644
--- a/libs/horizon/src/dom/utils/DomCreator.ts
+++ b/libs/horizon/src/dom/utils/DomCreator.ts
@@ -5,13 +5,6 @@ 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,
@@ -23,18 +16,6 @@ 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/InputValueHandler.ts b/libs/horizon/src/dom/valueHandler/InputValueHandler.ts
index e081a5ea..368bf288 100644
--- a/libs/horizon/src/dom/valueHandler/InputValueHandler.ts
+++ b/libs/horizon/src/dom/valueHandler/InputValueHandler.ts
@@ -37,7 +37,7 @@ export function updateInputValue(dom: HTMLInputElement, properties: IProperty) {
       dom.value = String(value);
     }
   } else if (checked != null) {
-    updateCommonProp(dom, 'checked', checked);
+    updateCommonProp(dom, 'checked', checked, true);
   }
 }
 
diff --git a/libs/horizon/src/renderer/ContextSaver.ts b/libs/horizon/src/renderer/ContextSaver.ts
index d092dd76..62586895 100644
--- a/libs/horizon/src/renderer/ContextSaver.ts
+++ b/libs/horizon/src/renderer/ContextSaver.ts
@@ -29,17 +29,32 @@ let ctxOldContext: Object = {};
 let ctxOldChange: Boolean = false;
 let ctxOldPreviousContext: Object = {};
 
+function setContext(vNode: VNode, contextName, value) {
+  if (vNode.contexts === null) {
+    vNode.contexts = {
+      [contextName]: value,
+    };
+  } else {
+    vNode.contexts[contextName] = value;
+  }
+}
+function getContext(vNode: VNode, contextName) {
+  if (vNode.contexts !== null) {
+    return vNode.contexts[contextName];
+  }
+}
+
 // capture阶段设置
 function setNamespaceCtx(vNode: VNode, dom?: Container) {
   const nextContext = getNSCtx(ctxNamespace, vNode.type, dom);
 
-  vNode.setContext(CTX_NAMESPACE, ctxNamespace);
+  setContext(vNode, CTX_NAMESPACE, ctxNamespace);
   ctxNamespace = nextContext;
 }
 
 // bubble阶段恢复
 function resetNamespaceCtx(vNode: VNode) {
-  ctxNamespace = vNode.getContext(CTX_NAMESPACE);
+  ctxNamespace = getContext(vNode, CTX_NAMESPACE);
 }
 
 function getNamespaceCtx(): string {
@@ -49,14 +64,14 @@ function getNamespaceCtx(): string {
 function setContextCtx<T>(providerVNode: VNode, nextValue: T) {
   const context: ContextType<T> = providerVNode.type._context;
 
-  providerVNode.setContext(CTX_CONTEXT, context.value);
+  setContext(providerVNode, CTX_CONTEXT, context.value);
   context.value = nextValue;
 }
 
 function resetContextCtx(providerVNode: VNode) {
   const context: ContextType<any> = providerVNode.type._context;
 
-  context.value = providerVNode.getContext(CTX_CONTEXT);
+  context.value = getContext(providerVNode, CTX_CONTEXT);
 }
 
 // 在局部更新时，恢复父节点的context
@@ -74,11 +89,11 @@ function recoverParentsContextCtx(vNode: VNode) {
 
 // ctxOldContext是 旧context提供者的context
 function setVNodeOldContext(providerVNode: VNode, context: Object) {
-  providerVNode.setContext(CTX_OLD_CONTEXT, context);
+  setContext(providerVNode, CTX_OLD_CONTEXT, context);
 }
 
 function getVNodeOldContext(vNode: VNode) {
-  return vNode.getContext(CTX_OLD_CONTEXT);
+  return getContext(vNode, CTX_OLD_CONTEXT);
 }
 
 function setOldContextCtx(providerVNode: VNode, context: Object) {
@@ -95,11 +110,11 @@ function resetOldContextCtx(vNode: VNode) {
 }
 
 function setVNodeOldPreviousContext(providerVNode: VNode, context: Object) {
-  providerVNode.setContext(CTX_OLD_PREVIOUS_CONTEXT, context);
+  setContext(providerVNode, CTX_OLD_PREVIOUS_CONTEXT, context);
 }
 
 function getVNodeOldPreviousContext(vNode: VNode) {
-  return vNode.getContext(CTX_OLD_PREVIOUS_CONTEXT);
+  return getContext(vNode, CTX_OLD_PREVIOUS_CONTEXT);
 }
 
 function setOldPreviousContextCtx(context: Object) {
@@ -111,7 +126,7 @@ function getOldPreviousContextCtx() {
 }
 
 function setContextChangeCtx(providerVNode: VNode, didChange: boolean) {
-  providerVNode.setContext(CTX_OLD_CHANGE, didChange);
+  setContext(providerVNode, CTX_OLD_CHANGE, didChange);
   ctxOldChange = didChange;
 }
 
@@ -120,7 +135,7 @@ function getContextChangeCtx() {
 }
 
 function resetContextChangeCtx(vNode: VNode) {
-  ctxOldChange = vNode.getContext(CTX_OLD_CHANGE);
+  ctxOldChange = getContext(vNode, CTX_OLD_CHANGE);
 }
 
 export {
diff --git a/libs/horizon/src/renderer/ErrorHandler.ts b/libs/horizon/src/renderer/ErrorHandler.ts
index 991ef861..837f25c5 100644
--- a/libs/horizon/src/renderer/ErrorHandler.ts
+++ b/libs/horizon/src/renderer/ErrorHandler.ts
@@ -6,7 +6,7 @@ import type {VNode} from './Types';
 import type {Update} from './UpdateHandler';
 
 import {ClassComponent, TreeRoot} from './vnode/VNodeTags';
-import {FlagUtils, Interrupted} from './vnode/VNodeFlags';
+import {FlagUtils, Interrupted, DidCapture, InitFlag} from './vnode/VNodeFlags';
 import {newUpdate, UpdateState, pushUpdate} from './UpdateHandler';
 import {launchUpdateFromVNode, tryRenderFromRoot} from './TreeBuilder';
 import {setRootThrowError} from './submit/Submit';
@@ -99,7 +99,7 @@ export function handleRenderThrowError(
         const ctor = vNode.type;
         const instance = vNode.realNode;
         if (
-          !vNode.flags.DidCapture &&
+          (vNode.flags & DidCapture) === InitFlag &&
           (
             typeof ctor.getDerivedStateFromError === 'function' ||
             (instance !== null && typeof instance.componentDidCatch === 'function')
diff --git a/libs/horizon/src/renderer/TreeBuilder.ts b/libs/horizon/src/renderer/TreeBuilder.ts
index 020b58b2..0f13627d 100644
--- a/libs/horizon/src/renderer/TreeBuilder.ts
+++ b/libs/horizon/src/renderer/TreeBuilder.ts
@@ -3,7 +3,7 @@ import type { VNode } from './Types';
 import { callRenderQueueImmediate, pushRenderCallback } from './taskExecutor/RenderQueue';
 import { updateVNode } from './vnode/VNodeCreator';
 import { TreeRoot } from './vnode/VNodeTags';
-import { FlagUtils } from './vnode/VNodeFlags';
+import { FlagUtils, InitFlag, Interrupted } from './vnode/VNodeFlags';
 import { captureVNode } from './render/BaseComponent';
 import { checkLoopingUpdateLimit, submitToRender } from './submit/Submit';
 import { runAsyncEffects } from './submit/HookEffectHandler';
@@ -18,7 +18,7 @@ import {
   setProcessingClassVNode,
   setStartVNode
 } from './GlobalVar';
-import { findDomParent, getSiblingVNode } from './vnode/VNodeUtils';
+import { findDomParent } from './vnode/VNodeUtils';
 import {
   ByAsync,
   BySync,
@@ -86,13 +86,13 @@ function bubbleVNode(vNode: VNode): void {
   do {
     const parent = node.parent;
 
-    if (!node.flags.Interrupted) { // vNode没有抛出异常
+    if ((node.flags & Interrupted) === InitFlag) { // vNode没有抛出异常
       componentRenders[node.tag].bubbleRender(node);
 
       // 设置node的childShouldUpdate属性
       updateChildShouldUpdate(node);
 
-      if (parent !== null && node !== getStartVNode() && !parent.flags.Interrupted) {
+      if (parent !== null && node !== getStartVNode() && (parent.flags & Interrupted) === InitFlag) {
         collectDirtyNodes(node, parent);
       }
     }
@@ -108,7 +108,7 @@ function bubbleVNode(vNode: VNode): void {
       break;
     }
 
-    const siblingVNode = getSiblingVNode(node);
+    const siblingVNode = node.next;
     if (siblingVNode !== null) { // 有兄弟vNode
       processing = siblingVNode;
       return;
diff --git a/libs/horizon/src/renderer/diff/DiffTools.ts b/libs/horizon/src/renderer/diff/DiffTools.ts
index 9b152d92..42fd2864 100644
--- a/libs/horizon/src/renderer/diff/DiffTools.ts
+++ b/libs/horizon/src/renderer/diff/DiffTools.ts
@@ -9,10 +9,6 @@ export function isTextType(newChild: any) {
   return typeof newChild === 'string' || typeof newChild === 'number';
 }
 
-export function isArrayType(newChild: any) {
-  return Array.isArray(newChild);
-}
-
 export function isIteratorType(newChild: any) {
   return (typeof Symbol === 'function' && newChild[Symbol.iterator]) || newChild['@@iterator'];
 }
diff --git a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
index 0d65c816..530e9f87 100644
--- a/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
+++ b/libs/horizon/src/renderer/diff/nodeDiffComparator.ts
@@ -7,11 +7,10 @@ import {
   isSameType,
   getIteratorFn,
   isTextType,
-  isArrayType,
   isIteratorType,
   isObjectType,
 } from './DiffTools';
-import {getSiblingVNode, travelChildren} from '../vnode/VNodeUtils';
+import { travelChildren } from '../vnode/VNodeUtils';
 
 enum DiffCategory {
   TEXT_NODE = 'TEXT_NODE',
@@ -60,7 +59,7 @@ function checkCanReuseNode(oldNode: VNode | null, newChild: any): boolean {
   }
 
   if (isObjectType(newChild)) {
-    if (isArrayType(newChild) || isIteratorType(newChild)) {
+    if (Array.isArray(newChild) || isIteratorType(newChild)) {
       return oldKey === null;
     }
     if (newChild.vtype === TYPE_COMMON_ELEMENT || newChild.vtype === TYPE_PORTAL) {
@@ -79,7 +78,7 @@ function getNodeType(newChild: any): string | null {
     return DiffCategory.TEXT_NODE;
   }
   if (isObjectType(newChild)) {
-    if (isArrayType(newChild) || isIteratorType(newChild)) {
+    if (Array.isArray(newChild) || isIteratorType(newChild)) {
       return DiffCategory.ARR_NODE;
     }
     if (newChild.vtype === TYPE_COMMON_ELEMENT || newChild.vtype === TYPE_PORTAL) {
@@ -200,7 +199,7 @@ function getOldNodeFromMap(nodeMap: Map<string | number, VNode>, newIdx: number,
     return nodeMap.get(newIdx) || null;
   }
   if (isObjectType(newChild)) {
-    if (isArrayType(newChild) || isIteratorType(newChild)) {
+    if (Array.isArray(newChild) || isIteratorType(newChild)) {
       return nodeMap.get(newIdx) || null;
     }
     if (newChild.vtype === TYPE_COMMON_ELEMENT || newChild.vtype === TYPE_PORTAL) {
@@ -216,11 +215,11 @@ function setCIndex(vNode: VNode, idx: number) {
 }
 
 // diff数组类型的节点，核心算法
-function diffArrayNodes(
+function diffArrayNodesHandler(
   parentNode: VNode,
   firstChild: VNode | null,
   newChildren: Array<any>,
-  isComparing: boolean = true
+  isComparing: boolean
 ): VNode | null {
   let resultingFirstChild: VNode | null = null;
 
@@ -242,6 +241,8 @@ function diffArrayNodes(
     prevNewNode = newNode;
   }
 
+  let canBeReuse;
+  let newNode;
   // 1. 从左侧开始比对currentVNode和newChildren，若不能复用则跳出循环
   for (; oldNode !== null && leftIdx < newChildren.length; leftIdx++) {
     if (oldNode.eIndex > leftIdx) {
@@ -249,17 +250,17 @@ function diffArrayNodes(
       nextOldNode = oldNode;
       oldNode = null;
     } else {
-      nextOldNode = getSiblingVNode(oldNode);
+      nextOldNode = oldNode.next;
     }
 
-    const canBeReuse = checkCanReuseNode(oldNode, newChildren[leftIdx]);
+    canBeReuse = checkCanReuseNode(oldNode, newChildren[leftIdx]);
     // 不能复用，break
     if (!canBeReuse) {
       oldNode = oldNode ?? nextOldNode;
       break;
     }
 
-    const newNode = getNewNode(parentNode, newChildren[leftIdx], oldNode);
+    newNode = getNewNode(parentNode, newChildren[leftIdx], oldNode);
     // 没有生成新节点，break
     if (!newNode) {
       oldNode = oldNode ?? nextOldNode;
@@ -287,19 +288,20 @@ function diffArrayNodes(
     let rightOldIndex: number | null = rightRemainingOldChildren.length - 1;
 
     // 2. 从右侧开始比对currentVNode和newChildren，若不能复用则跳出循环
+    let rightOldNode;
     for (; rightIdx > leftIdx; rightIdx--) {
-      const rightOldNode = rightRemainingOldChildren[rightOldIndex];
+      rightOldNode = rightRemainingOldChildren[rightOldIndex];
       if (rightOldIndex < 0 || rightOldNode === null) {
         break;
       }
 
-      const canBeReuse = checkCanReuseNode(rightOldNode, newChildren[rightIdx - 1]);
+      canBeReuse = checkCanReuseNode(rightOldNode, newChildren[rightIdx - 1]);
       // 不能复用，break
       if (!canBeReuse) {
         break;
       }
 
-      const newNode = getNewNode(parentNode, newChildren[rightIdx - 1], rightOldNode);
+      newNode = getNewNode(parentNode, newChildren[rightIdx - 1], rightOldNode);
       // 没有生成新节点，break
       if (newNode === null) {
         break;
@@ -346,7 +348,7 @@ function diffArrayNodes(
   // 4. 新节点还有一部分，但是老节点已经没有了
   if (oldNode === null) {
     for (; leftIdx < rightIdx; leftIdx++) {
-      const newNode = getNewNode(parentNode, newChildren[leftIdx], null);
+      newNode = getNewNode(parentNode, newChildren[leftIdx], null);
 
       if (newNode !== null) {
         theLastPosition = setVNodeAdditionFlag(newNode, theLastPosition, isComparing);
@@ -372,9 +374,11 @@ function diffArrayNodes(
   const preIndex: Array<number> = []; // 贪心算法在替换的过程中会使得数组不正确，通过记录preIndex找到正确值
   const reuseNodes = []; // 记录复用的 VNode
   let i = 0;
+  let oldNodeFromMap;
+  let last;
   for (; leftIdx < rightIdx; leftIdx++) {
-    const oldNodeFromMap = getOldNodeFromMap(leftChildrenMap, leftIdx, newChildren[leftIdx]);
-    const newNode = getNewNode(parentNode, newChildren[leftIdx], oldNodeFromMap);
+    oldNodeFromMap = getOldNodeFromMap(leftChildrenMap, leftIdx, newChildren[leftIdx]);
+    newNode = getNewNode(parentNode, newChildren[leftIdx], oldNodeFromMap);
     if (newNode !== null) {
       if (isComparing && !newNode.isCreated) {
         // 从Map删除，后面不会deleteVNode
@@ -384,7 +388,7 @@ function diffArrayNodes(
       if (oldNodeFromMap !== null) {
         let eIndex = newNode.eIndex;
         eIndexes.push(eIndex);
-        const last: number | undefined = eIndexes[result[result.length - 1]];
+        last = eIndexes[result[result.length - 1]];
         if (eIndex > last || last === undefined) { // 大的 eIndex直接放在最后
           preIndex[i] = result[result.length - 1];
           result.push(i);
@@ -462,16 +466,6 @@ function setVNodesCIndex(startChild: VNode, startIdx: number) {
   }
 }
 
-// 新节点是数组类型
-function diffArrayNodesHandler(
-  parentNode: VNode,
-  firstChild: VNode | null,
-  newChildren: Array<any>,
-  isComparing: boolean = true
-): VNode | null {
-  return diffArrayNodes(parentNode, firstChild, newChildren, isComparing);
-}
-
 // 新节点是迭代器类型
 function diffIteratorNodesHandler(
   parentNode: VNode,
@@ -490,7 +484,7 @@ function diffIteratorNodesHandler(
     result = iteratorObj.next();
   }
 
-  return diffArrayNodes(parentNode, firstChild, childrenArray, isComparing);
+  return diffArrayNodesHandler(parentNode, firstChild, childrenArray, isComparing);
 }
 
 // 新节点是字符串类型
@@ -552,13 +546,13 @@ function diffObjectNodeHandler(
       // 可以复用
       if (canReuseNode.tag === Fragment && newChild.type === TYPE_FRAGMENT) {
         resultNode = updateVNode(canReuseNode, newChild.props.children);
-        startDelVNode = getSiblingVNode(canReuseNode);
+        startDelVNode = canReuseNode.next;
         resultNode.next = null;
       } else if (isSameType(canReuseNode, newChild)) {
         resultNode = updateVNode(canReuseNode, newChild.props);
         resultNode.ref = newChild.ref;
         resultNode.belongClassVNode = newChild.belongClassVNode;
-        startDelVNode = getSiblingVNode(resultNode);
+        startDelVNode = resultNode.next;
         resultNode.next = null;
       }
     }
@@ -578,7 +572,7 @@ function diffObjectNodeHandler(
       // 可以复用
       if (canReuseNode.tag === DomPortal && canReuseNode.outerDom === newChild.outerDom) {
         resultNode = updateVNode(canReuseNode, newChild.children || []);
-        startDelVNode = getSiblingVNode(canReuseNode);
+        startDelVNode = canReuseNode.next;
         resultNode.next = null;
       }
     }
@@ -629,7 +623,7 @@ export function createChildrenByDiff(
   }
 
   // 3. newChild是数组类型
-  if (isArrayType(newChild)) {
+  if (Array.isArray(newChild)) {
     return diffArrayNodesHandler(parentNode, firstChild, newChild, isComparing);
   }
 
diff --git a/libs/horizon/src/renderer/render/BaseComponent.ts b/libs/horizon/src/renderer/render/BaseComponent.ts
index 8e5e56d4..1b2edf2d 100644
--- a/libs/horizon/src/renderer/render/BaseComponent.ts
+++ b/libs/horizon/src/renderer/render/BaseComponent.ts
@@ -66,9 +66,7 @@ export function captureVNode(processing: VNode): VNode | null {
 
 // 创建孩子节点
 export function createVNodeChildren(processing: VNode, nextChildren: any) {
-  const isComparing = !processing.isCreated;
-
-  return createChildrenByDiff(processing, processing.child, nextChildren, isComparing);
+  return createChildrenByDiff(processing, processing.child, nextChildren, !processing.isCreated);
 }
 
 export function markRef(processing: VNode) {
diff --git a/libs/horizon/src/renderer/render/ClassComponent.ts b/libs/horizon/src/renderer/render/ClassComponent.ts
index b459215c..9c4c1f20 100644
--- a/libs/horizon/src/renderer/render/ClassComponent.ts
+++ b/libs/horizon/src/renderer/render/ClassComponent.ts
@@ -20,7 +20,7 @@ import {
   markComponentDidUpdate,
   markGetSnapshotBeforeUpdate,
 } from './class/ClassLifeCycleProcessor';
-import { FlagUtils } from '../vnode/VNodeFlags';
+import { FlagUtils, DidCapture } from '../vnode/VNodeFlags';
 import { createVNodeChildren, markRef } from './BaseComponent';
 import {
   createUpdateArray,
@@ -73,7 +73,7 @@ function createChildren(clazz: any, processing: VNode) {
   processing.state = processing.realNode.state;
 
   const inst = processing.realNode;
-  const isCatchError = processing.flags.DidCapture;
+  const isCatchError = (processing.flags & DidCapture) === DidCapture;
 
   // 按照已有规格，如果捕获了错误却没有定义getDerivedStateFromError函数，返回的child为null
   const newElements = isCatchError && typeof clazz.getDerivedStateFromError !== 'function'
@@ -122,7 +122,7 @@ export function captureClassComponent(processing: VNode, clazz: any, nextProps:
     const newContext = getCurrentContext(clazz, processing);
 
     // 子节点抛出异常时，如果本class是个捕获异常的处理节点，这时候oldProps是null，所以需要使用props
-    let oldProps = processing.flags.DidCapture ? processing.props : processing.oldProps;
+    let oldProps = (processing.flags & DidCapture) === DidCapture ? processing.props : processing.oldProps;
     if (processing.isLazyComponent) {
       oldProps = mergeDefaultProps(processing.type, oldProps);
     }
@@ -161,7 +161,7 @@ export function captureClassComponent(processing: VNode, clazz: any, nextProps:
     inst.props = nextProps;
   }
   // 如果捕获了 error，必须更新
-  const isCatchError = processing.flags.DidCapture;
+  const isCatchError = (processing.flags & DidCapture) === DidCapture;
   shouldUpdate = isCatchError || shouldUpdate;
 
   // 更新ref
diff --git a/libs/horizon/src/renderer/render/DomComponent.ts b/libs/horizon/src/renderer/render/DomComponent.ts
index bac845b1..7aef0d8d 100644
--- a/libs/horizon/src/renderer/render/DomComponent.ts
+++ b/libs/horizon/src/renderer/render/DomComponent.ts
@@ -1,5 +1,5 @@
-import type {VNode} from '../Types';
-import type {Props} from '../../dom/DOMOperator';
+import type { VNode } from '../Types';
+import type { Props } from '../../dom/DOMOperator';
 
 import {
   getNamespaceCtx,
@@ -12,10 +12,10 @@ import {
   initDomProps, getPropChangeList,
   isTextChild,
 } from '../../dom/DOMOperator';
-import {FlagUtils} from '../vnode/VNodeFlags';
-import {createVNodeChildren, markRef} from './BaseComponent';
-import {DomComponent, DomPortal, DomText} from '../vnode/VNodeTags';
-import {getFirstChild, travelVNodeTree} from '../vnode/VNodeUtils';
+import { FlagUtils } from '../vnode/VNodeFlags';
+import { createVNodeChildren, markRef } from './BaseComponent';
+import { DomComponent, DomPortal, DomText } from '../vnode/VNodeTags';
+import { travelVNodeTree } from '../vnode/VNodeUtils';
 
 function updateDom(
   processing: VNode,
@@ -50,24 +50,6 @@ function updateDom(
   }
 }
 
-// 把dom类型的子节点append到parent dom中
-function appendAllChildren(parent: Element, processing: VNode) {
-  const vNode = processing.child;
-  if (vNode === null) {
-    return;
-  }
-
-  // 向下递归它的子节点，查找所有终端节点。
-  travelVNodeTree(vNode, node => {
-    if (node.tag === DomComponent || node.tag === DomText) {
-      appendChildElement(parent, node.realNode);
-    }
-  }, node =>
-    // 已经append到父节点，或者是DomPortal都不需要处理child了
-    node.tag === DomComponent || node.tag === DomText || node.tag === DomPortal
-  , processing);
-}
-
 export function bubbleRender(processing: VNode) {
   resetNamespaceCtx(processing);
 
@@ -95,7 +77,19 @@ export function bubbleRender(processing: VNode) {
       processing,
     );
 
-    appendAllChildren(dom, processing);
+    // 把dom类型的子节点append到parent dom中
+    const vNode = processing.child;
+    if (vNode !== null) {
+      // 向下递归它的子节点，查找所有终端节点。
+      travelVNodeTree(vNode, node => {
+        if (node.tag === DomComponent || node.tag === DomText) {
+          appendChildElement(dom, node.realNode);
+        }
+      }, node =>
+        // 已经append到父节点，或者是DomPortal都不需要处理child了
+        node.tag === DomComponent || node.tag === DomText || node.tag === DomPortal
+        , processing);
+    }
 
     processing.realNode = dom;
 
diff --git a/libs/horizon/src/renderer/submit/LifeCycleHandler.ts b/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
index 354a179e..55edf2c7 100644
--- a/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
+++ b/libs/horizon/src/renderer/submit/LifeCycleHandler.ts
@@ -17,7 +17,7 @@ import {
   SuspenseComponent,
   MemoComponent,
 } from '../vnode/VNodeTags';
-import { FlagUtils, ResetText, Clear } from '../vnode/VNodeFlags';
+import { FlagUtils, ResetText, Clear, Update } from '../vnode/VNodeFlags';
 import { mergeDefaultProps } from '../render/LazyComponent';
 import {
   submitDomUpdate,
@@ -97,7 +97,7 @@ function callAfterSubmitLifeCycles(
     }
     case ClassComponent: {
       const instance = vNode.realNode;
-      if (vNode.flags.Update) {
+      if ((vNode.flags & Update) === Update) {
         if (vNode.isCreated) {
           instance.componentDidMount();
         } else {
@@ -124,7 +124,7 @@ function callAfterSubmitLifeCycles(
       return;
     }
     case DomComponent: {
-      if (vNode.isCreated && vNode.flags.Update) {
+      if (vNode.isCreated && (vNode.flags & Update) === Update) {
         // button、input、select、textarea、如果有 autoFocus 属性需要focus
         if (shouldAutoFocus(vNode.type, vNode.props)) {
           vNode.realNode.focus();
@@ -222,7 +222,7 @@ function unmountNestedVNodes(vNode: VNode): void {
 function submitAddition(vNode: VNode): void {
   const { parent, parentDom } = findDomParent(vNode);
 
-  if (parent.flags.ResetText) {
+  if ((vNode.flags & ResetText) === ResetText) {
     // 在insert之前先reset
     clearText(parentDom);
     FlagUtils.removeFlag(parent, ResetText);
diff --git a/libs/horizon/src/renderer/submit/Submit.ts b/libs/horizon/src/renderer/submit/Submit.ts
index 30fee9d8..ae4027f3 100644
--- a/libs/horizon/src/renderer/submit/Submit.ts
+++ b/libs/horizon/src/renderer/submit/Submit.ts
@@ -1,8 +1,6 @@
 import type {VNode} from '../Types';
 
-import {callRenderQueueImmediate} from '../taskExecutor/RenderQueue';
-import {throwIfTrue} from '../utils/throwIfTrue';
-import {FlagUtils, Addition as AdditionFlag} from '../vnode/VNodeFlags';
+import {FlagUtils, Addition, Snapshot, ResetText, Ref, Update, Deletion, Clear, Callback} from '../vnode/VNodeFlags';
 import {prepareForSubmit, resetAfterSubmit} from '../../dom/DOMOperator';
 import {handleSubmitError} from '../ErrorHandler';
 import {
@@ -91,7 +89,7 @@ export function submitToRender(treeRoot) {
 function beforeSubmit(dirtyNodes: Array<VNode>) {
   dirtyNodes.forEach(node => {
     try {
-      if (node.flags.Snapshot) {
+      if ((node.flags & Snapshot) === Snapshot) {
         callBeforeSubmitLifeCycles(node);
       }
     } catch (error) {
@@ -103,35 +101,38 @@ function beforeSubmit(dirtyNodes: Array<VNode>) {
 function submit(dirtyNodes: Array<VNode>) {
   dirtyNodes.forEach(node => {
     try {
-      if (node.flags.ResetText) {
+      if ((node.flags & ResetText) === ResetText) {
         submitResetTextContent(node);
       }
 
-      if (node.flags.Ref) {
+      if ((node.flags & Ref) === Ref) {
         if (!node.isCreated) {
           // 需要执行
           detachRef(node, true);
         }
       }
 
-      const {Addition, Update, Deletion, Clear} = node.flags;
-      if (Addition && Update) {
+      const isAdd = (node.flags & Addition) === Addition;
+      const isUpdate = (node.flags & Update) === Update;
+      if (isAdd && isUpdate) {
         // Addition
         submitAddition(node);
-        FlagUtils.removeFlag(node, AdditionFlag);
+        FlagUtils.removeFlag(node, Addition);
 
         // Update
         submitUpdate(node);
       } else {
-        if (Addition) {
+        const isDeletion = (node.flags & Deletion) === Deletion;
+        const isClear = (node.flags & Clear) === Clear;
+        if (isAdd) {
           submitAddition(node);
-          FlagUtils.removeFlag(node, AdditionFlag);
-        } else if (Update) {
+          FlagUtils.removeFlag(node, Addition);
+        } else if (isUpdate) {
           submitUpdate(node);
-        } else if (Deletion) {
+        } else if (isDeletion) {
           submitDeletion(node);
         }
-        if (Clear) {
+        if (isClear) {
           submitClear(node);
         }
       }
@@ -144,11 +145,11 @@ function submit(dirtyNodes: Array<VNode>) {
 function afterSubmit(dirtyNodes: Array<VNode>) {
   dirtyNodes.forEach(node => {
     try {
-      if (node.flags.Update || node.flags.Callback) {
+      if ((node.flags & Update) === Update || (node.flags & Callback) === Callback) {
         callAfterSubmitLifeCycles(node);
       }
 
-      if (node.flags.Ref) {
+      if ((node.flags & Ref) === Ref) {
         attachRef(node);
       }
     } catch (error) {
diff --git a/libs/horizon/src/renderer/vnode/VNode.ts b/libs/horizon/src/renderer/vnode/VNode.ts
index 8ce6d94b..5799e34c 100644
--- a/libs/horizon/src/renderer/vnode/VNode.ts
+++ b/libs/horizon/src/renderer/vnode/VNode.ts
@@ -1,16 +1,18 @@
 /**
  * 虚拟DOM结构体
  */
-import {TreeRoot} from './VNodeTags';
-import type {VNodeTag} from './VNodeTags';
-import type {RefType, ContextType} from '../Types';
-import type {Hook} from '../hooks/HookType';
+import { TreeRoot, FunctionComponent, ClassComponent, DomPortal, DomText, ContextConsumer, ForwardRef, SuspenseComponent, LazyComponent, ClsOrFunComponent, DomComponent, Fragment, ContextProvider, Profiler, MemoComponent, IncompleteClassComponent } from './VNodeTags';
+import type { VNodeTag } from './VNodeTags';
+import type { RefType, ContextType } from '../Types';
+import type { Hook } from '../hooks/HookType';
+import { InitFlag } from './VNodeFlags';
 
 export class VNode {
   tag: VNodeTag;
   key: string | null; // 唯一标识符
+  props: any; // 传给组件的props的值，类组件包含defaultProps，Lazy组件不包含
   type: any = null;
-  realNode: any = null; // 如果是类，则存放实例；如果是div这种，则存放真实DOM；
+  realNode: any; // 如果是类，则存放实例；如果是div这种，则存放真实DOM；
 
   // 关系结构
   parent: VNode | null = null; // 父节点
@@ -20,21 +22,20 @@ export class VNode {
   eIndex: number = 0; // HorizonElement在jsx中的位置，例如：jsx中的null不会生成vNode，所以eIndex和cIndex不一致
 
   ref: RefType | ((handle: any) => void) | null = null; // 包裹一个函数，submit阶段使用，比如将外部useRef生成的对象赋值到ref上
-  props: any; // 传给组件的props的值，类组件包含defaultProps，Lazy组件不包含
   oldProps: any = null;
 
-  suspensePromises: any = null; // suspense组件的promise列表
-  changeList: any = null; // DOM的变更列表
-  effectList: any[] | null = null; // useEffect 的更新数组
-  updates: any[] | null = null; // TreeRoot和ClassComponent使用的更新数组
-  stateCallbacks: any[] | null = null; // 存放存在setState的第二个参数和HorizonDOM.render的第三个参数所在的node数组
-  isForceUpdate: boolean = false; // 是否使用强制更新
+  suspensePromises: any; // suspense组件的promise列表
+  changeList: any; // DOM的变更列表
+  effectList: any[] | null; // useEffect 的更新数组
+  updates: any[] | null; // TreeRoot和ClassComponent使用的更新数组
+  stateCallbacks: any[] | null; // 存放存在setState的第二个参数和HorizonDOM.render的第三个参数所在的node数组
+  isForceUpdate: boolean; // 是否使用强制更新
 
-  state: any = null; // ClassComponent和TreeRoot的状态
-  hooks: Array<Hook<any, any>> | null = null; // 保存hook
+  state: any; // ClassComponent和TreeRoot的状态
+  hooks: Array<Hook<any, any>> | null; // 保存hook
   suspenseChildStatus: string = ''; // Suspense的Children是否显示
-  depContexts: Array<ContextType<any>> | null = null; // FunctionComponent和ClassComponent对context的依赖列表
-  isDepContextChange: boolean = false; // context是否变更
+  depContexts: Array<ContextType<any>> | null; // FunctionComponent和ClassComponent对context的依赖列表
+  isDepContextChange: boolean; // context是否变更
   dirtyNodes: Array<VNode> | null = null; // 需要改动的节点数组
   shouldUpdate: boolean = false;
   childShouldUpdate: boolean = false;
@@ -42,40 +43,27 @@ export class VNode {
   task: any;
 
   // 使用这个变量来记录修改前的值，用于恢复。
-  contexts = {};
+  contexts: any;
   // 因为LazyComponent会修改tag和type属性，为了能识别，增加一个属性
-  isLazyComponent: boolean = false;
+  isLazyComponent: boolean;
 
   // 因为LazyComponent会修改type属性，为了在diff中判断是否可以复用，需要增加一个lazyType
-  lazyType: any = null;
-  flags: {
-    Addition?: boolean;
-    Update?: boolean;
-    Deletion?: boolean;
-    ResetText?: boolean;
-    Callback?: boolean;
-    DidCapture?: boolean;
-    Ref?: boolean;
-    Snapshot?: boolean;
-    Interrupted?: boolean;
-    ShouldCapture?: boolean;
-    ForceUpdate?: boolean;
-    Clear?: boolean;
-  } = {};
-  clearChild: VNode | null = null;
+  lazyType: any;
+  flags = InitFlag;
+  clearChild: VNode | null;
   // one tree相关属性
   isCreated: boolean = true;
-  oldHooks: Array<Hook<any, any>> | null = []; // 保存上一次执行的hook
-  oldState: any = null;
+  oldHooks: Array<Hook<any, any>> | null; // 保存上一次执行的hook
+  oldState: any;
   oldRef: RefType | ((handle: any) => void) | null = null;
-  suspenseChildThrow = false;
-  oldSuspenseChildStatus: string = ''; // 上一次Suspense的Children是否显示
+  suspenseChildThrow: boolean;
+  oldSuspenseChildStatus: string; // 上一次Suspense的Children是否显示
   oldChild: VNode | null = null;
-  suspenseDidCapture: boolean = false; // suspense是否捕获了异常
-  promiseResolve: boolean = false; // suspense的promise是否resolve
+  suspenseDidCapture: boolean; // suspense是否捕获了异常
+  promiseResolve: boolean; // suspense的promise是否resolve
 
   path: string = ''; // 保存从根到本节点的路径
-  toUpdateNodes: Set<VNode> | null = null; // 保存要更新的节点
+  toUpdateNodes: Set<VNode> | null; // 保存要更新的节点
 
   belongClassVNode: VNode | null = null; // 记录JSXElement所属class vNode，处理ref的时候使用
 
@@ -85,18 +73,80 @@ export class VNode {
 
     this.props = props;
 
-    // 根节点
-    if (tag === TreeRoot) {
-      this.outerDom = outerDom;
-      this.task = null;
-      this.toUpdateNodes = new Set<VNode>();
+    switch (tag) {
+      case TreeRoot:
+        this.outerDom = outerDom;
+        this.task = null;
+        this.toUpdateNodes = new Set<VNode>();
+        this.realNode = null;
+        this.updates = null;
+        this.stateCallbacks = null;
+        this.state = null;
+        this.oldState = null;
+        this.contexts = null;
+        break;
+      case FunctionComponent:
+        this.effectList = null;
+        this.hooks = null;
+        this.depContexts = null;
+        this.isDepContextChange = false;
+        this.oldHooks = null;
+        break;
+      case ClassComponent:
+        this.realNode = null;
+        this.updates = null;
+        this.stateCallbacks = null;
+        this.isForceUpdate = false;
+        this.state = null;
+        this.depContexts = null;
+        this.isDepContextChange = false;
+        this.oldState = null;
+        this.contexts = null;
+        break;
+      case ClsOrFunComponent:
+        this.realNode = null;
+        this.contexts = null;
+        break;
+      case DomPortal:
+        this.realNode = null;
+        this.contexts = null;
+        break;
+      case DomComponent:
+        this.realNode = null;
+        this.changeList = null;
+        this.contexts = null;
+        break;
+      case DomText:
+        this.realNode = null;
+        break;
+      case SuspenseComponent:
+        this.realNode = null;
+        this.suspensePromises = null;
+        this.suspenseChildThrow = false;
+        this.suspenseDidCapture = false;
+        this.promiseResolve = false;
+        this.oldSuspenseChildStatus = '';
+        break;
+      case ContextProvider:
+        this.contexts = null;
+        break;
+      case MemoComponent:
+        this.effectList = null;
+        break;
+      case LazyComponent:
+        this.realNode = null;
+        this.stateCallbacks = null;
+        break;
+      case Fragment:
+        break;
+      case ContextConsumer:
+        break;
+      case ForwardRef:
+        break;
+      case Profiler:
+        break;
+      case IncompleteClassComponent:
+        break;
     }
   }
-
-  setContext(contextName, value) {
-    this.contexts[contextName] = value;
-  }
-  getContext(contextName) {
-    return this.contexts[contextName];
-  }
 }
diff --git a/libs/horizon/src/renderer/vnode/VNodeCreator.ts b/libs/horizon/src/renderer/vnode/VNodeCreator.ts
index 2d6d3bb2..ca585e5f 100644
--- a/libs/horizon/src/renderer/vnode/VNodeCreator.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeCreator.ts
@@ -133,9 +133,8 @@ export function createUndeterminedVNode(type, key, props) {
   vNode.type = type;
   vNode.shouldUpdate = true;
 
-  // lazy类型的特殊处理
-  vNode.isLazyComponent = isLazy;
   if (isLazy) {
+    vNode.isLazyComponent = isLazy;
     vNode.lazyType = type;
   }
   return vNode;
diff --git a/libs/horizon/src/renderer/vnode/VNodeFlags.ts b/libs/horizon/src/renderer/vnode/VNodeFlags.ts
index 48d0331d..62f98803 100644
--- a/libs/horizon/src/renderer/vnode/VNodeFlags.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeFlags.ts
@@ -4,97 +4,79 @@
 
 import type { VNode } from '../Types';
 
+
+export const InitFlag =   /**     */    0b000000000000;
 // vNode节点的flags
-export const Addition = 'Addition';
-export const Update = 'Update';
-export const Deletion = 'Deletion';
-export const ResetText = 'ResetText';
-export const Callback = 'Callback';
-export const DidCapture = 'DidCapture';
-export const Ref = 'Ref';
-export const Snapshot = 'Snapshot';
-// 被中断了，抛出错误的vNode以及它的父vNode
-export const Interrupted = 'Interrupted';
-export const ShouldCapture = 'ShouldCapture';
-// For suspense
-export const ForceUpdate = 'ForceUpdate';
-export const Clear = 'Clear';
-
-const FlagArr = [Addition, Update, Deletion, Clear, ResetText, Callback,
-  DidCapture, Ref, Snapshot, Interrupted, ShouldCapture, ForceUpdate];
-
-const LifecycleEffectArr = [Update, Callback, Ref, Snapshot];
-
-function resetFlag(node) {
-  node.flags = {};
-}
+export const Addition =  /**     */     0b100000000000;
+export const Update =     /**     */    0b010000000000;
+export const Deletion = /**     */      0b001000000000;
+export const ResetText =/**     */      0b000100000000;
+export const Callback =   /**     */    0b000010000000;
+export const DidCapture =/**     */     0b000001000000;
+export const Ref =       /**     */     0b000000100000;
+export const Snapshot =  /**     */     0b000000010000;
+export const Interrupted =  /**     */  0b000000001000; // 被中断了，抛出错误的vNode以及它的父vNode
+export const ShouldCapture =/**     */  0b000000000100;
+export const ForceUpdate = /**     */   0b000000000010; // For suspense
+export const Clear =     /**     */     0b000000000001;
+const LifecycleEffectArr = Update | Callback | Ref | Snapshot;
 
 export class FlagUtils {
-  static removeFlag(node: VNode, flag: string) {
-    node.flags[flag] = false;
+  static removeFlag(node: VNode, flag: number) {
+    const flags = node.flags;
+    node.flags = flags & (~flag);
   }
   static removeLifecycleEffectFlags(node) {
-    LifecycleEffectArr.forEach(key => {
-      node.flags[key] = false;
-    });
+    const flags = node.flags;
+    node.flags = flags & (~LifecycleEffectArr);
   }
   static hasAnyFlag(node: VNode) { // 有标志位
-    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 false;
+    return node.flags !== InitFlag;
   }
 
   static setNoFlags(node: VNode) {
-    resetFlag(node);
+    node.flags = InitFlag;
   }
 
   static markAddition(node: VNode) {
-    node.flags.Addition = true;
+    node.flags |= Addition;
   }
   static setAddition(node: VNode) {
-    resetFlag(node);
-    node.flags.Addition = true;
+    node.flags = Addition;
   }
   static markUpdate(node: VNode) {
-    node.flags.Update = true;
+    node.flags |= Update;
   }
   static setDeletion(node: VNode) {
-    resetFlag(node);
-    node.flags.Deletion = true;
+    node.flags = Deletion;
   }
   static markContentReset(node: VNode) {
-    node.flags.ResetText = true;
+    node.flags |= ResetText;
   }
   static markCallback(node: VNode) {
-    node.flags.Callback = true;
+    node.flags |= Callback;
   }
   static markDidCapture(node: VNode) {
-    node.flags.DidCapture = true;
+    node.flags |= DidCapture;
   }
   static markShouldCapture(node: VNode) {
-    node.flags.ShouldCapture = true;
+    node.flags |= ShouldCapture;
   }
   static markRef(node: VNode) {
-    node.flags.Ref = true;
+    node.flags |= Ref;
   }
   static markSnapshot(node: VNode) {
-    node.flags.Snapshot = true;
+    node.flags |= Snapshot;
   }
   static markInterrupted(node: VNode) {
-    node.flags.Interrupted = true;
+    node.flags |= Interrupted;
   }
   static markForceUpdate(node: VNode) {
-    node.flags.ForceUpdate = true;
+    node.flags |= ForceUpdate;
   }
+
   static markClear(node: VNode) {
-    node.flags.Clear = true;
+    node.flags |= Clear;
   }
 }
 
diff --git a/libs/horizon/src/renderer/vnode/VNodeUtils.ts b/libs/horizon/src/renderer/vnode/VNodeUtils.ts
index 82ad3ec8..c9d4b572 100644
--- a/libs/horizon/src/renderer/vnode/VNodeUtils.ts
+++ b/libs/horizon/src/renderer/vnode/VNodeUtils.ts
@@ -7,10 +7,7 @@ import type {VNode} from '../Types';
 import {DomComponent, DomPortal, DomText, TreeRoot} from './VNodeTags';
 import {isComment} from '../../dom/utils/Common';
 import {getNearestVNode} from '../../dom/DOMInternalKeys';
-
-export function getSiblingVNode(node) {
-  return node.next;
-}
+import { Addition, InitFlag } from './VNodeFlags';
 
 export function travelChildren(beginVNode: VNode, handleVNode: Function, isFinish?: Function) {
   let node: VNode | null = beginVNode;
@@ -58,7 +55,7 @@ export function travelVNodeTree(
     }
 
     // 找兄弟，没有就往上再找兄弟
-    while (getSiblingVNode(node) === null) {
+    while (node.next === null) {
       if (node.parent === null || node.parent === overVNode) {
         return null;
       }
@@ -69,7 +66,7 @@ export function travelVNodeTree(
       }
     }
     // 找到兄弟
-    const siblingVNode = getSiblingVNode(node);
+    const siblingVNode = node.next;
     siblingVNode.parent = node.parent;
     node = siblingVNode;
   }
@@ -96,6 +93,7 @@ export function clearVNode(vNode: VNode) {
   vNode.oldState = null;
   vNode.oldRef = null;
   vNode.oldChild = null;
+  vNode.flags = InitFlag;
 
   vNode.toUpdateNodes = null;
 
@@ -175,7 +173,7 @@ export function getSiblingDom(vNode: VNode): Element | null {
 
   findSibling: while (true) {
     // 没有兄弟节点，找父节点
-    while (getSiblingVNode(node) === null) {
+    while (node.next === null) {
       // 没父节点，或父节点已经是根节点，则返回
       if (node.parent === null || isDomContainer(node.parent)) {
         return null;
@@ -183,14 +181,14 @@ export function getSiblingDom(vNode: VNode): Element | null {
       node = node.parent;
     }
 
-    const siblingVNode = getSiblingVNode(node);
+    const siblingVNode = node.next;
     siblingVNode.parent = node.parent;
     node = siblingVNode;
 
     // 如果不是dom节点，往下找
     while (!isDomVNode(node)) {
       // 如果节点也是Addition
-      if (node.flags.Addition) {
+      if ((node.flags & Addition) ===Addition) {
         continue findSibling;
       }
 
@@ -204,7 +202,7 @@ export function getSiblingDom(vNode: VNode): Element | null {
       }
     }
 
-    if (!node.flags.Addition) {
+    if ((node.flags & Addition) ===InitFlag) {
       // 找到
       return node.realNode;
     }