diff --git a/README.md b/README.md
index fbdc32309afc2b1cb837621ad6d739398be54552..bc80c85a415c5ff40ecd2d06d2e90c80fe1986bb 100644
--- a/README.md
+++ b/README.md
@@ -42,8 +42,8 @@
 
 1. 本示例仅支持标准系统上运行，支持设备：华为手机。
 
-2. HarmonyOS系统：HarmonyOS NEXT Developer Beta1及以上。
+2. HarmonyOS系统：HarmonyOS NEXT Developer Beta5及以上。
 
-3. DevEco Studio版本：DevEco Studio NEXT Developer Beta1及以上。
+3. DevEco Studio版本：DevEco Studio NEXT Developer Beta5及以上。
 
-4. HarmonyOS SDK版本：HarmonyOS NEXT Developer Beta1 SDK及以上。
+4. HarmonyOS SDK版本：HarmonyOS NEXT Developer Beta5 SDK及以上。
diff --git a/entry/src/main/ets/constants/CameraConstants.ets b/entry/src/main/ets/constants/CameraConstants.ets
index 54ffef9adf283ce786643a09b0e317163ab4ad7e..3b392e8edc5a2fe4e9c84c03c443cb319835ad85 100644
--- a/entry/src/main/ets/constants/CameraConstants.ets
+++ b/entry/src/main/ets/constants/CameraConstants.ets
@@ -93,11 +93,11 @@ export class CameraConstants {
   /**
    * camera preview size
    */
-  static readonly PREVIEW_WIDTH: number = 2592;
+  static readonly PREVIEW_WIDTH: number = 2048;
   /**
    * camera preview size
    */
-  static readonly PREVIEW_HEIGHT: number = 1944;
+  static readonly PREVIEW_HEIGHT: number = 1536;
   /**
    * photo size
    */
diff --git a/entry/src/main/ets/utils/VideoRecorder.ets b/entry/src/main/ets/utils/VideoRecorder.ets
index 3c31ff37aea9fdd76ea800d582957d9b100ca32d..4179215ee1ed0cc66d70804aa96eea898c7a10f2 100644
--- a/entry/src/main/ets/utils/VideoRecorder.ets
+++ b/entry/src/main/ets/utils/VideoRecorder.ets
@@ -140,8 +140,10 @@ export async function videoRecording(isStabilization: boolean, cameraPosition: n
   videoSession.addOutput(previewOutput);
   videoSession.addOutput(videoOutput);
   await videoSession.commitConfig();
-  videoSession.setVideoStabilizationMode(isStabilization ? camera.VideoStabilizationMode.HIGH :
-  camera.VideoStabilizationMode.OFF);
+  if(videoSession.isVideoStabilizationModeSupported(camera.VideoStabilizationMode.MIDDLE)){
+    videoSession.setVideoStabilizationMode(isStabilization ? camera.VideoStabilizationMode.AUTO :
+    camera.VideoStabilizationMode.OFF);
+  }
   await videoSession.start();
   // Obtains the variable focal length ratio range supported by the camera.
   let zoomRatioRange = videoSession.getZoomRatioRange();