diff --git a/libs/horizon/src/event/EventWrapper.ts b/libs/horizon/src/event/EventWrapper.ts
index 8f06407c..84f5d844 100644
--- a/libs/horizon/src/event/EventWrapper.ts
+++ b/libs/horizon/src/event/EventWrapper.ts
@@ -16,7 +16,7 @@ const noop = (): void => {};
 // 兼容IE浏览器，无法修改Event属性
 export class WrappedEvent {
   customEventName: string;
-  nativeEvent: Event;
+  nativeEvent: AnyNativeEvent;
   nativeEventType: string;
   type: string;
   key: string;
@@ -25,12 +25,18 @@ export class WrappedEvent {
   stopPropagation: () => void;
   preventDefault: () => void;
 
+  // 适配Keyboard键盘事件该函数不能由合成事件调用
+  getModifierState?: (keyArgs: string) => boolean;
   // 适配老版本事件api
   persist = noop;
 
   constructor(customEventName: string, nativeEvtName: string, nativeEvent: AnyNativeEvent) {
     for (const name in nativeEvent) {
       this[name] = nativeEvent[name];
+      if(name === 'getModifierState') {
+        const keyBoardEvent = nativeEvent as KeyboardEvent;
+        this.getModifierState = (keyArg) => keyBoardEvent.getModifierState(keyArg);
+      }
     }
     // stopPropagation和preventDefault 必须通过Event实例调用
     this.stopPropagation = () => nativeEvent.stopPropagation();
diff --git a/scripts/__tests__/EventTest/MouseEvent.test.js b/scripts/__tests__/EventTest/MouseEvent.test.js
index 030e25de..61895616 100644
--- a/scripts/__tests__/EventTest/MouseEvent.test.js
+++ b/scripts/__tests__/EventTest/MouseEvent.test.js
@@ -146,5 +146,22 @@ describe('MouseEvent Test', () => {
       };
       test('mouseover', <div onMouseOver={onMouseOver} onMouseOverCapture={onMouseOverCapture} />);
     });
+
+    it('KeyboardEvent.getModifierState should not fail', () => {
+      const input = Horizon.render(<input
+        onMouseDown={(e) => {
+          e.getModifierState('CapsLock');
+        }}
+      />, container);
+      const event = new MouseEvent('mousedown', {
+        relatedTarget: null,
+        bubbles: true,
+        screenX: 1,
+      });
+
+      expect(() => {
+        input.dispatchEvent(event);
+      }).not.toThrow();
+    });
   });
 });