diff --git a/uni_modules/uts-advance/utssdk/app-android/index.uts b/uni_modules/uts-advance/utssdk/app-android/index.uts
index 52a2675f073cbe8a91ba189ed50ce12515e22e65..a1746d973ac05668537e116bfde63cf3a45c4ea1 100644
--- a/uni_modules/uts-advance/utssdk/app-android/index.uts
+++ b/uni_modules/uts-advance/utssdk/app-android/index.uts
@@ -22,9 +22,6 @@ import AlertDialog from 'android.app.AlertDialog';
 import DialogInterface from 'android.content.DialogInterface';
 import EditText from 'android.widget.EditText';
 
-import {
-	UTSAndroid
-} from "io.dcloud.uts";
 import array from 'android.R.array';
 import File from 'java.io.File';
 
diff --git a/uni_modules/uts-platform-api/utssdk/app-android/index.uts b/uni_modules/uts-platform-api/utssdk/app-android/index.uts
index 3a922c65d84ffc86a7da651332367f8863d073ee..6d5aa1562f8a50c658e2a4f4634186371e2722c3 100644
--- a/uni_modules/uts-platform-api/utssdk/app-android/index.uts
+++ b/uni_modules/uts-platform-api/utssdk/app-android/index.uts
@@ -1,6 +1,3 @@
-import {
-	UTSAndroid
-} from "io.dcloud.uts";
 import MediaStore from "android.provider.MediaStore";
 import Activity from "android.app.Activity";
 import Bitmap from "android.graphics.Bitmap";
diff --git a/uni_modules/uts-tests/utssdk/Date.uts b/uni_modules/uts-tests/utssdk/Date.uts
index 346566128040fb53423bf161351971107062196b..d5c734b6723fbef325715c17a555b7a76ab1c047 100644
--- a/uni_modules/uts-tests/utssdk/Date.uts
+++ b/uni_modules/uts-tests/utssdk/Date.uts
@@ -10,6 +10,19 @@ export function testDate() : Result {
                 expect(secondsElapsed).toEqual(2);
             }, 2000)
         })
+		test('valueOf', () => {
+		    const date1 = new Date('December 17, 1995 03:24:00');
+			expect(date1.valueOf()).toEqual(819141840000);
+			const date2 = new Date('1995-12-17T03:24:00');
+			expect(date2.valueOf()).toEqual(819141840000);
+		})
+		test('parse', () => {
+			const unixTimeZero = Date.parse('01 Jan 1970 00:00:00 GMT');
+			const javaScriptRelease = Date.parse('04 Dec 1995 00:12:00 GMT');
+			
+			expect(unixTimeZero.toString()).toEqual("Thu Jan 01 1970 08:00:00 GMT+0800");
+			expect(javaScriptRelease.toString()).toEqual("Mon Dec 04 1995 08:12:00 GMT+0800");
+		})
         test('getDate', () => {
             const birthday = new Date('August 19, 1975 23:15:30');
             const date1 = birthday.getDate();
diff --git a/uni_modules/uts-tests/utssdk/Math.uts b/uni_modules/uts-tests/utssdk/Math.uts
index 1f5aa0de3fea831b6e9459101a94506c0e22063e..93ec652ec94bb023e757203882c07172e20c55df 100644
--- a/uni_modules/uts-tests/utssdk/Math.uts
+++ b/uni_modules/uts-tests/utssdk/Math.uts
@@ -236,5 +236,10 @@ export function testMath(): Result {
             expect(Math.trunc(42.84)).toEqual(42);
             expect(Math.trunc(0.123)).toEqual(0);
         })
+		test('round', () => {
+		    expect(Math.round(0.9)).toEqual(1);
+		    expect(Math.round(5.95)).toEqual(6);
+		    expect(Math.round(-5.05)).toEqual(-5);
+		})
     })
 }