diff --git a/zh-cn/application-dev/reference/apis/js-apis-avsession.md b/zh-cn/application-dev/reference/apis/js-apis-avsession.md
index b3ab8483b8e0b1dbd12a11320f74831b130d3224..6f135faf3d6e493cb39d1fdbd074edf2e342923b 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-avsession.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-avsession.md
@@ -592,7 +592,7 @@ sendSystemAVKeyEvent(event: KeyEvent): Promise\<void>
 ```js
 
 let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem],   ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
+let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false}; 
 
 avSession.sendSystemAVKeyEvent(event).then(() => {
     console.info('SendSystemAVKeyEvent Successfully');
@@ -633,7 +633,7 @@ sendSystemAVKeyEvent(event: KeyEvent, callback: AsyncCallback\<void>): void
 
 ```js
 let keyItem = {code:0x49, pressedTime:2, deviceId:0};
-let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem],   ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false};
+let event = {id:1, deviceId:0, actionTime:1, screenId:1, windowId:1, action:2, key:keyItem, unicodeChar:0, keys:[keyItem], ctrlKey:false, altKey:false, shiftKey:false, logoKey:false, fnKey:false, capsLock:false, numLock:false, scrollLock:false}; 
 
 avSession.sendSystemAVKeyEvent(event, function (err) {
     if (err) {