diff --git a/graphic/windowstandard/src/main/js/default/test/display.test.js b/graphic/windowstandard/src/main/js/default/test/display.test.js
index 0af5a709e800e3b0e351b09a0e75cfdd2f41f08f..3359faf4e0fd6774f37f24944a85a9e628f73841 100644
--- a/graphic/windowstandard/src/main/js/default/test/display.test.js
+++ b/graphic/windowstandard/src/main/js/default/test/display.test.js
@@ -40,15 +40,15 @@ describe('display_test', function () {
             expect(dsp.refreshRate != null).assertTrue();
             expect(dsp.width != null).assertTrue();
             expect(dsp.height != null).assertTrue();
-            expect(dsp.rotation).assertEqual(undefined);
-            expect(dsp.densityDPI).assertEqual(undefined);
-            expect(dsp.name).assertEqual(undefined);
-            expect(dsp.alive).assertEqual(undefined);
-            expect(dsp.state).assertEqual(undefined);
-            expect(dsp.densityPixels).assertEqual(undefined);
-            expect(dsp.scaledDensity).assertEqual(undefined);
-            expect(dsp.xDPI).assertEqual(undefined);
-            expect(dsp.yDPI).assertEqual(undefined);
+            expect(dsp.rotation != null).assertTrue();
+            expect(dsp.densityDPI != null).assertTrue();
+            expect(dsp.name != null).assertTrue();
+            expect(dsp.alive != null).assertTrue();
+            expect(dsp.state != null).assertTrue();
+            expect(dsp.densityPixels != null).assertTrue();
+            expect(dsp.scaledDensity != null).assertTrue();
+            expect(dsp.xDPI != null).assertTrue();
+            expect(dsp.yDPI != null).assertTrue();
             done();
         }, (err) => {
             console.log('displayTest getDefaultDisplayTest1 getDefaultDisplay failed, err :' + JSON.stringify(err));
@@ -75,15 +75,15 @@ describe('display_test', function () {
                 expect(data.refreshRate != null).assertTrue();
                 expect(data.width != null).assertTrue();
                 expect(data.height != null).assertTrue();
-                expect(data.rotation).assertEqual(undefined);
-                expect(data.densityDPI).assertEqual(undefined);
-                expect(data.name).assertEqual(undefined);
-                expect(data.alive).assertEqual(undefined);
-                expect(data.state).assertEqual(undefined);
-                expect(data.densityPixels).assertEqual(undefined);
-                expect(data.scaledDensity).assertEqual(undefined);
-                expect(data.xDPI).assertEqual(undefined);
-                expect(data.yDPI).assertEqual(undefined);
+                expect(data.rotation != null).assertTrue();
+                expect(data.densityDPI != null).assertTrue();
+                expect(data.name != null).assertTrue();
+                expect(data.alive != null).assertTrue();
+                expect(data.state != null).assertTrue();
+                expect(data.densityPixels != null).assertTrue();
+                expect(data.scaledDensity != null).assertTrue();
+                expect(data.xDPI != null).assertTrue();
+                expect(data.yDPI != null).assertTrue();
                 done();
             }
         })
@@ -102,15 +102,15 @@ describe('display_test', function () {
             expect(dsp[0].refreshRate != null).assertTrue();
             expect(dsp[0].width != null).assertTrue();
             expect(dsp[0].height != null).assertTrue();
-            expect(dsp[0].rotation).assertEqual(undefined);
-            expect(dsp[0].densityDPI).assertEqual(undefined);
-            expect(dsp[0].name).assertEqual(undefined);
-            expect(dsp[0].alive).assertEqual(undefined);
-            expect(dsp[0].state).assertEqual(undefined);
-            expect(dsp[0].densityPixels).assertEqual(undefined);
-            expect(dsp[0].scaledDensity).assertEqual(undefined);
-            expect(dsp[0].xDPI).assertEqual(undefined);
-            expect(dsp[0].yDPI).assertEqual(undefined);
+            expect(dsp[0].rotation != null).assertTrue();
+            expect(dsp[0].densityDPI != null).assertTrue();
+            expect(dsp[0].name != null).assertTrue();
+            expect(dsp[0].alive != null).assertTrue();
+            expect(dsp[0].state != null).assertTrue();
+            expect(dsp[0].densityPixels != null).assertTrue();
+            expect(dsp[0].scaledDensity != null).assertTrue();
+            expect(dsp[0].xDPI != null).assertTrue();
+            expect(dsp[0].yDPI != null).assertTrue();
             done();
         }, (err) => {
             console.log('displayTest getAllDisplayTest1 getAllDisplay failed, err :' + JSON.stringify(err));
@@ -136,15 +136,15 @@ describe('display_test', function () {
                 expect(data[0].refreshRate != null).assertTrue();
                 expect(data[0].width != null).assertTrue();
                 expect(data[0].height != null).assertTrue();
-                expect(data[0].rotation).assertEqual(undefined);
-                expect(data[0].densityDPI).assertEqual(undefined);
-                expect(data[0].name).assertEqual(undefined);
-                expect(data[0].alive).assertEqual(undefined);
-                expect(data[0].state).assertEqual(undefined);
-                expect(data[0].densityPixels).assertEqual(undefined);
-                expect(data[0].scaledDensity).assertEqual(undefined);
-                expect(data[0].xDPI).assertEqual(undefined);
-                expect(data[0].yDPI).assertEqual(undefined);
+                expect(data[0].rotation != null).assertTrue();
+                expect(data[0].densityDPI != null).assertTrue();
+                expect(data[0].name != null).assertTrue();
+                expect(data[0].alive != null).assertTrue();
+                expect(data[0].state != null).assertTrue();
+                expect(data[0].densityPixels != null).assertTrue();
+                expect(data[0].scaledDensity != null).assertTrue();
+                expect(data[0].xDPI != null).assertTrue();
+                expect(data[0].yDPI != null).assertTrue();
                 done();
             }
         })