diff --git a/libs/horizon/src/event/HorizonEventMain.ts b/libs/horizon/src/event/HorizonEventMain.ts
index e8913a18..9a9e2719 100644
--- a/libs/horizon/src/event/HorizonEventMain.ts
+++ b/libs/horizon/src/event/HorizonEventMain.ts
@@ -12,8 +12,7 @@ import { getListeners as getCompositionListeners } from './simulatedEvtHandler/C
 import { getListeners as getChangeListeners } from './simulatedEvtHandler/ChangeEventHandler';
 import { getListeners as getSelectionListeners } from './simulatedEvtHandler/SelectionEventHandler';
 import {
-  getCustomEventNameWithOn,
-  uniqueCharCode,
+  addOnPrefix,
 } from './utils';
 import { createCustomEvent } from './customEvents/EventFactory';
 import { getListenersFromTree } from './ListenerGetter';
@@ -30,16 +29,11 @@ function getCommonListeners(
   target: null | EventTarget,
   isCapture: boolean,
 ): ListenerUnitList {
-  const horizonEvtName = getCustomEventNameWithOn(CommonEventToHorizonMap[nativeEvtName]);
+  const horizonEvtName = addOnPrefix(CommonEventToHorizonMap[nativeEvtName]);
   if (!horizonEvtName) {
     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) {
-    return [];
-  }
-
   // 鼠标点击右键
   if (nativeEvent instanceof MouseEvent && nativeEvtName === 'click' && nativeEvent.button === 2) {
     return [];
diff --git a/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts b/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts
index 33c6d13c..1ca6ab58 100644
--- a/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts
+++ b/libs/horizon/src/event/customEvents/CustomKeyboardEvent.ts
@@ -3,7 +3,6 @@
  */
 
 import type {VNode} from '../../renderer/Types';
-import {uniqueCharCode} from '../utils';
 import {CustomBaseEvent} from './CustomBaseEvent';
 import {CHAR_CODE_ENTER} from '../const';
 
@@ -44,7 +43,7 @@ function getKey(event) {
   }
 
   if (event.type === 'keypress') {
-    const charCode = uniqueCharCode(event);
+    const charCode = event.charCode;
     return charCode === CHAR_CODE_ENTER ? 'Enter' : String.fromCharCode(charCode);
   }
 
@@ -71,7 +70,7 @@ export class CustomKeyboardEvent extends CustomBaseEvent {
   ) {
     super(customEvtName, nativeEvtName, nativeEvt, vNode, target);
     this.key = getKey(nativeEvt);
-    this.charCode = nativeEvtName === 'keypress' ? uniqueCharCode(nativeEvt) : 0;
+    this.charCode = nativeEvtName === 'keypress' ? nativeEvt.charCode : 0;
     this.keyCode = (nativeEvtName === 'keydown' || nativeEvtName === 'keyup') ? nativeEvt.keyCode : 0;
     this.which = this.charCode || this.keyCode;
   }
diff --git a/libs/horizon/src/event/utils.ts b/libs/horizon/src/event/utils.ts
index 12a6735e..51f022f1 100644
--- a/libs/horizon/src/event/utils.ts
+++ b/libs/horizon/src/event/utils.ts
@@ -1,25 +1,3 @@
-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;
-}
 
 // 支持的输入框类型
 const supportedInputTypes = ['color', 'date', 'datetime', 'datetime-local', 'email', 'month',
@@ -36,7 +14,7 @@ export function isTextInputElement(dom?: HTMLElement): boolean {
 
 
 // 例：dragEnd -> onDragEnd
-export function getCustomEventNameWithOn(name) {
+export function addOnPrefix(name) {
   if (!name) {
     return '';
   }