diff --git a/build-profile.json5 b/build-profile.json5
index c033ce4278fb0641d84107c3c134047ac487368e..123c59c4d98cb48436bf22fbd63b0baea21e0748 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -6,6 +6,7 @@
         "name": "default",
         "signingConfig": "default",
         "compatibleSdkVersion": "5.0.0(12)",
+        "targetSdkVersion": "5.0.0(12)",
         "runtimeOS": "HarmonyOS",
       }
     ],
diff --git a/entry/build-profile.json5 b/entry/build-profile.json5
index b695582d3680556f4cce2ec518f65720a9413ca3..3167e54d1ff3a0aaa0cdcf4319789de8e3f3c350 100644
--- a/entry/build-profile.json5
+++ b/entry/build-profile.json5
@@ -2,27 +2,9 @@
   "apiType": "stageMode",
   "buildOption": {
   },
-  "buildOptionSet": [
-    {
-      "name": "release",
-      "arkOptions": {
-        "obfuscation": {
-          "ruleOptions": {
-            "enable": true,
-            "files": [
-              "./obfuscation-rules.txt"
-            ]
-          }
-        }
-      }
-    },
-  ],
   "targets": [
     {
       "name": "default"
-    },
-    {
-      "name": "ohosTest",
     }
   ]
 }
\ No newline at end of file
diff --git a/entry/src/main/ets/view/AVPlayerItem.ets b/entry/src/main/ets/view/AVPlayerItem.ets
index 351883c3235e0dc2ffd18ea164134c4899a68fb8..41e618f5c6a012ea921ecde726b8d4cc2f6b4952 100644
--- a/entry/src/main/ets/view/AVPlayerItem.ets
+++ b/entry/src/main/ets/view/AVPlayerItem.ets
@@ -15,9 +15,11 @@
 
 import { media } from '@kit.MediaKit';
 import { common } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
 
 // Video name
 const VIDEO_NAME = 'videoTest.mp4';
+const TAG = 'AVPlayerItem';
 
 @Observed
 export class AVPlayerItem {
@@ -66,21 +68,25 @@ export class AVPlayerItem {
     })
   }
 
-  async avPlayerPlay(uiContext:UIContext) {
-    this.avPlayer = await media.createAVPlayer();
-    this.avPlayer.setSpeed(media.PlaybackSpeed.SPEED_FORWARD_1_00_X);
-    this.setAVPlayerCallback(this.avPlayer);
-    let context = uiContext.getHostContext() as common.UIAbilityContext;
-    let fileDescriptor = await context.resourceManager.getRawFd(VIDEO_NAME);
-    this.totalTime = fileDescriptor.length;
-    this.curTime = fileDescriptor.offset;
-    let avFileDescriptor: media.AVFileDescriptor = {
-      fd: fileDescriptor.fd,
-      offset: fileDescriptor.offset,
-      length: fileDescriptor.length
-    };
-    this.isSeek = true;
-    this.avPlayer.fdSrc = avFileDescriptor;
-    this.avPlayer.prepare();
+  async avPlayerPlay(uiContext: UIContext) {
+    try {
+      this.avPlayer = await media.createAVPlayer();
+      this.avPlayer.setSpeed(media.PlaybackSpeed.SPEED_FORWARD_1_00_X);
+      this.setAVPlayerCallback(this.avPlayer);
+      let context = uiContext.getHostContext() as common.UIAbilityContext;
+      let fileDescriptor = await context.resourceManager.getRawFd(VIDEO_NAME);
+      this.totalTime = fileDescriptor.length;
+      this.curTime = fileDescriptor.offset;
+      let avFileDescriptor: media.AVFileDescriptor = {
+        fd: fileDescriptor.fd,
+        offset: fileDescriptor.offset,
+        length: fileDescriptor.length
+      };
+      this.isSeek = true;
+      this.avPlayer.fdSrc = avFileDescriptor;
+      this.avPlayer.prepare();
+    } catch (error) {
+      hilog.error(0x0000, TAG, `avPlayerPlay catch error, code: ${error.code}, message: ${error.message}`);
+    }
   }
 }
\ No newline at end of file
diff --git a/entry/src/main/ets/view/MultiGrid.ets b/entry/src/main/ets/view/MultiGrid.ets
index ce6b3170fb9a82d46778d6b171961fc9769e0d8c..434f6d744646608b8fde311af4bdfe5d24522ca8 100644
--- a/entry/src/main/ets/view/MultiGrid.ets
+++ b/entry/src/main/ets/view/MultiGrid.ets
@@ -31,7 +31,7 @@ const IMAGE_ONE_WIDTH = '60%'
 @Component
 export struct MultiGrid {
   @Prop modifier: AttributeModifier<ImageAttribute> | null = null;
-  private imageSource: (string | Resource)[] = [];
+  public  imageSource: (string | Resource)[] = [];
   private col: number = 0;
   private row: number = 0;
   private imageSpacing: number = 3;
diff --git a/entry/src/main/ets/view/SampleUnitAVPlayView.ets b/entry/src/main/ets/view/SampleUnitAVPlayView.ets
index 19ed6bdd95b2adbecf1802a156e8526621834e7d..a3b98faf30d531c44f4be82003ab6811a2cddd24 100644
--- a/entry/src/main/ets/view/SampleUnitAVPlayView.ets
+++ b/entry/src/main/ets/view/SampleUnitAVPlayView.ets
@@ -13,9 +13,10 @@
  * limitations under the License.
  */
 
+import { display } from '@kit.ArkUI';
+import { hilog } from '@kit.PerformanceAnalysisKit';
 import { AVPlayerItem } from '../view/AVPlayerItem';
 import { CONSTANT } from '../constant/Constant';
-import { display } from '@kit.ArkUI';
 
 // XComponent width
 const X_COMPONENT_WIDTH: string = '100%';
@@ -27,6 +28,7 @@ const DELAY = 500;
 const DURATION = 29024;
 // Surface size
 const SURFACE_SIZE = 1500;
+const TAG = 'SampleUnitAVPlayView';
 
 
 @Component
@@ -41,17 +43,20 @@ export default struct SampleUnitAVPlayView {
   currentSurfaceID: string = ''
 
   aboutToAppear(): void {
-    if (display.getFoldStatus() === display.FoldStatus.FOLD_STATUS_EXPANDED) {
-      this.sliderWidth = this.getUIContext().px2vp(SURFACE_SIZE);
-    }
-
-    display.on('foldStatusChange', () => {
-      if (display.getFoldStatus() === display.FoldStatus.FOLD_STATUS_FOLDED) {
-        this.sliderWidth = X_COMPONENT_WIDTH;
-      } else {
+    try {
+      if (display.getFoldStatus() === display.FoldStatus.FOLD_STATUS_EXPANDED) {
         this.sliderWidth = this.getUIContext().px2vp(SURFACE_SIZE);
       }
-    });
+      display.on('foldStatusChange', () => {
+        if (display.getFoldStatus() === display.FoldStatus.FOLD_STATUS_FOLDED) {
+          this.sliderWidth = X_COMPONENT_WIDTH;
+        } else {
+          this.sliderWidth = this.getUIContext().px2vp(SURFACE_SIZE);
+        }
+      });
+    } catch (error) {
+      hilog.error(0x0000, TAG, `aboutToAppear catch error, code: ${error.code}, message: ${error.message}`);
+    }
   }
 
   build() {
diff --git a/entry/src/main/ets/viewmodel/BasicDataSource.ets b/entry/src/main/ets/viewmodel/BasicDataSource.ets
index dceef7a62eddc08da21791bbb4f54dedcf2cb92d..fba5661f836431b265690afd9f79435ee42b906d 100644
--- a/entry/src/main/ets/viewmodel/BasicDataSource.ets
+++ b/entry/src/main/ets/viewmodel/BasicDataSource.ets
@@ -51,10 +51,10 @@ class BasicDataSource implements IDataSource {
       new ButtonUnitItem($r('app.media.share'), 5, $r('app.media.like'), 18, $r('app.media.collect'), 53);
     let areaUnit: TitleUnitItem =
       new TitleUnitItem($r('app.media.avatar'),
-        uiContext.getHostContext()!.resourceManager.getStringSync($r('app.string.show_netname')),
-        uiContext.getHostContext()!.resourceManager.getStringSync($r('app.string.show_time')),
+        uiContext.getHostContext()!.resourceManager.getStringByNameSync('show_netname'),
+        uiContext.getHostContext()!.resourceManager.getStringByNameSync('show_time'),
          );
-    let textContext = uiContext.getHostContext()!.resourceManager.getStringSync($r('app.string.show_text'));
+    let textContext = uiContext.getHostContext()!.resourceManager.getStringByNameSync('show_text');
 
     let data: SampleUnitItem[] = [
       new SampleUnitItem('video', areaUnit, textContext, buttonUnit, this.imageArray1, new VideoController(),