diff --git a/libs/horizon/src/event/HorizonEventMain.ts b/libs/horizon/src/event/HorizonEventMain.ts
index c550fdbe..08e9f5d0 100644
--- a/libs/horizon/src/event/HorizonEventMain.ts
+++ b/libs/horizon/src/event/HorizonEventMain.ts
@@ -10,7 +10,7 @@ import {
 import { getListeners as getChangeListeners } from './simulatedEvtHandler/ChangeEventHandler';
 import { getListeners as getSelectionListeners } from './simulatedEvtHandler/SelectionEventHandler';
 import {
-  addOnPrefix, setPropertyWritable,
+  setPropertyWritable,
 } from './utils';
 import { decorateNativeEvent } from './customEvents/EventFactory';
 import { getListenersFromTree } from './ListenerGetter';
@@ -27,7 +27,9 @@ function getCommonListeners(
   target: null | EventTarget,
   isCapture: boolean,
 ): ListenerUnitList {
-  const horizonEvtName = addOnPrefix(CommonEventToHorizonMap[nativeEvtName]);
+  const name = CommonEventToHorizonMap[nativeEvtName];
+  const horizonEvtName = !name ? '' : `on${name[0].toUpperCase()}${name.slice(1)}`; // 例：dragEnd -> onDragEnd
+  
   if (!horizonEvtName) {
     return [];
   }
diff --git a/libs/horizon/src/event/utils.ts b/libs/horizon/src/event/utils.ts
index d4b6f143..09d1b240 100644
--- a/libs/horizon/src/event/utils.ts
+++ b/libs/horizon/src/event/utils.ts
@@ -6,15 +6,6 @@ export function isInputElement(dom?: HTMLElement): boolean {
   return false;
 }
 
-
-// 例：dragEnd -> onDragEnd
-export function addOnPrefix(name) {
-  if (!name) {
-    return '';
-  }
-  return 'on' + name[0].toUpperCase() + name.slice(1);
-}
-
 export function setPropertyWritable(obj, propName) {
   const desc = Object.getOwnPropertyDescriptor(obj, propName);
   if (!desc || !desc.writable) {