diff --git a/theme/screenlock_ets/entry/src/main/ets/test/screenLockPromiseTest.ets b/theme/screenlock_ets/entry/src/main/ets/test/screenLockPromiseTest.ets
index 6b3297e67e10c8e28973e888d522a503b648c483..ad6c49af36daf0a59753bea8179f540f6f3df119 100755
--- a/theme/screenlock_ets/entry/src/main/ets/test/screenLockPromiseTest.ets
+++ b/theme/screenlock_ets/entry/src/main/ets/test/screenLockPromiseTest.ets
@@ -101,5 +101,35 @@ export default function ScreenLockPromiseTest(){
         done();
       }      
     });
+
+    /*
+     * @tc.number    SUB_MISC_THEME_screenLock_API_Promise_004
+     * @tc.name      Set to locked screen, query the lock screen state is locked state
+     * @tc.desc      Test ScreenLock API functionality.
+     * @tc.size      : MEDIUM
+     * @tc.type      : Function
+     * @tc.level     : Level 0
+     */
+    it("SUB_MISC_THEME_screenLock_API_Promise_004", 0, async function (done) {
+      console.info("------------------start SUB_MISC_THEME_screenLock_API_Promise_004-------------------");
+      try {
+        screenLock.unlockScreen().then((data) => {
+              let currentResult = screenLock.isLocked()
+              expect(currentResult).assertEqual(false)
+              console.info("====>SUB_MISC_THEME_screenLock_API_Promise_004 success.");
+              console.info('====>-------------SUB_MISC_THEME_screenLock_API_Promise_004 end----------------------');
+              done();
+          }).catch( err => {
+              console.info("====>SUB_MISC_THEME_screenLock_API_Promise_004 failed because: " + JSON.stringify(err));
+              expect().assertFail();
+              done();
+          });
+        } catch (error) {
+          console.info("====>SUB_MISC_THEME_screenLock_API_Promise_004: error = " + error);
+          expect(true).assertTrue();
+      }
+      console.info("------------------end SUB_MISC_THEME_screenLock_API_Promise_004-------------------");
+      done();
+    });
   })
 }
diff --git a/theme/screenlock_ets/entry/src/main/ets/test/screenLockTest.ets b/theme/screenlock_ets/entry/src/main/ets/test/screenLockTest.ets
index bf83b9aa1c181f278893680c626332b86c89f77e..c4f6a9db7fe482ee6f1cb16f235491a595ba7489 100755
--- a/theme/screenlock_ets/entry/src/main/ets/test/screenLockTest.ets
+++ b/theme/screenlock_ets/entry/src/main/ets/test/screenLockTest.ets
@@ -36,7 +36,7 @@ export default function screenLockJSUnit() {
         * @tc.level   0
         */
         it('SUB_MISC_THEME_screenLock_API_0012', 0, async function (done) {
-           console.info('====>-------------SUB_MISC_THEME_screenLock_API_0012 start----------------------');
+            console.info('====>-------------SUB_MISC_THEME_screenLock_API_0012 start----------------------');
             try{
                 screenLock.unlock((err, data) => {
                     try{
@@ -177,15 +177,50 @@ export default function screenLockJSUnit() {
                         console.info("====>logMessage SUB_MISC_THEME_screenLock_API_0003 throw_err = " + err);
                         expect().assertFail();
                         done();
-                    }
-                    
+                    }                    
                 });
             } catch (err) {
                 console.info("====>logMessage SUB_MISC_THEME_screenLock_API_0003: err = " + err);
                 expect().assertFail();
                 done();
+            }            
+        });
+
+        /*
+         * @tc.number    SUB_MISC_THEME_screenLock_API_0004
+         * @tc.name      Set to locked screen, query the lock screen state is locked state
+         * @tc.desc      Test ScreenLock API functionality.
+         * @tc.size      : MEDIUM
+         * @tc.type      : Function
+         * @tc.level     : Level 0
+         */
+        it("SUB_MISC_THEME_screenLock_API_0004", 0, async function (done) {
+            console.info("------------------start SUB_MISC_THEME_screenLock_API_0004-------------------");
+            try {
+                screenLock.unlockScreen((err) => {
+                    console.info("SUB_MISC_THEME_screenLock_API_0004: send unlockScreen issue success");
+                    try{
+                        if (err) {
+                            console.info("====>SUB_MISC_THEME_screenLock_API_0004 failed because: " + JSON.stringify(err));
+                            expect().assertFail();
+                            done();
+                        }
+                        let currentResult = screenLock.isLocked()
+                        expect(currentResult).assertEqual(false)
+                        console.info("====>SUB_MISC_THEME_screenLock_API_0004 success.");
+                        console.info('====>-------------SUB_MISC_THEME_screenLock_API_0004 end----------------------');
+                        done();
+                    }catch(err){
+                        console.info('====>SUB_MISC_THEME_screenLock_API_0004 throw_err : ' + JSON.stringify(err));
+                        expect().assertFail();
+                        done();
+                    }          
+                });              
+            } catch (error) {
+                console.info("SUB_MISC_THEME_screenLock_API_0004: error = " + error);
+                expect().assertFail();
+                done();
             }
-            
         });
 
         /*