diff --git a/runtime/main/extend/systemplugin/napi/ohos_inputmethodengine.js b/runtime/main/extend/systemplugin/napi/ohos_inputmethodengine.js
index f7d6c51a..d7722b82 100644
--- a/runtime/main/extend/systemplugin/napi/ohos_inputmethodengine.js
+++ b/runtime/main/extend/systemplugin/napi/ohos_inputmethodengine.js
@@ -36,8 +36,8 @@ export function mockInputMethodEngine() {
     inputOption: 3
   }
   const KeyEvent = {
-    keyCode: 1,
-    keyAction: 2,
+    keyCode: "[PC Preview] unknow keyCode",
+    keyAction: "[PC Preview] unknow keyAction"
   }
   const RichContent = {
     contentURI: "[PC Preview] unknow contentURI",