diff --git a/graphic/windowstandard/src/main/js/default/test/window.test.js b/graphic/windowstandard/src/main/js/default/test/window.test.js
index 851b5e3d04ba7c8861f42c4da4b61d528c84328d..7778d31bbc882b20a630b2fa52c337982047412f 100755
--- a/graphic/windowstandard/src/main/js/default/test/window.test.js
+++ b/graphic/windowstandard/src/main/js/default/test/window.test.js
@@ -122,7 +122,7 @@ describe('window_test', function () {
                 expect(!data.isKeepScreenOn).assertTrue();
                 expect(!data.isTransparent).assertTrue();
                 expect(data.brightness != null).assertTrue();
-                expect(data.dimBehindValue).assertEqual(undefined);
+                expect(data.dimBehindValue).assertEqual(0);
                 expect(!data.isRoundCorner).assertTrue();
                 expect(!data.isPrivacyMode).assertTrue();
                 done();
@@ -166,7 +166,7 @@ describe('window_test', function () {
                     expect(!data.isKeepScreenOn).assertTrue();
                     expect(!data.isTransparent).assertTrue();
                     expect(data.brightness != null).assertTrue();
-                    expect(data.dimBehindValue).assertEqual(undefined);
+                    expect(data.dimBehindValue).assertEqual(0);
                     expect(!data.isRoundCorner).assertTrue();
                     expect(!data.isPrivacyMode).assertTrue();
                     done();