diff --git a/graphic/windowstandard/src/main/js/test/window.test.js b/graphic/windowstandard/src/main/js/test/window.test.js
index b3b41bfaf862b3428e1b2fe89f67bed33fefd9d7..4fcd49c0d5657d56b916997561c6c68de3e0b8ac 100644
--- a/graphic/windowstandard/src/main/js/test/window.test.js
+++ b/graphic/windowstandard/src/main/js/test/window.test.js
@@ -26,10 +26,11 @@ export default function window_test() {
         var topWindow;
         const DELAY_TIME = 3000;
         var height;
+        var height0;
 
         function windowSizeChangeCallback(data) {
             console.log('windowTest OnOffTest1 callback  ' + JSON.stringify(data));
-            height = data.height;
+            height0 = data.height;
         }
 
         function systemAvoidAreaChangeCallback(data) {