diff --git a/README.en.md b/README.en.md
index 7169111249b35b90019c3f8dbbbdf92e5498d7dc..43b26c8b354c378e4f88c914ce608da856bebd94 100644
--- a/README.en.md
+++ b/README.en.md
@@ -84,6 +84,6 @@ N/A
 ### Constraints
 
 1. The sample app is supported only on Huawei phones running the standard system.
-2. The HarmonyOS version must be HarmonyOS 5.0.4 Release or later.
-3. The DevEco Studio version must be DevEco Studio 5.0.4 Release or later.
-4. The HarmonyOS SDK version must be HarmonyOS 5.0.4 Release or later.
+2. The HarmonyOS version must be HarmonyOS 5.0.0 Release or later.
+3. The DevEco Studio version must be DevEco Studio 5.0.0 Release or later.
+4. The HarmonyOS SDK version must be HarmonyOS 5.0.0 Release or later.
diff --git a/README.md b/README.md
index 757c1f31d8d07e0bc399f105994988c3c086059a..ce53aafc716f4884719846024528feda0de84db1 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,6 @@
 ### 约束与限制
 
 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 5.0.4 Release及以上。
-3. DevEco Studio版本：DevEco Studio 5.0.4 Release及以上。
-4. HarmonyOS SDK版本：HarmonyOS 5.0.4 Release SDK及以上。
\ No newline at end of file
+2. HarmonyOS系统：HarmonyOS 5.0.0 Release及以上。
+3. DevEco Studio版本：DevEco Studio 5.0.0 Release及以上。
+4. HarmonyOS SDK版本：HarmonyOS 5.0.0 Release SDK及以上。
\ No newline at end of file
diff --git a/build-profile.json5 b/build-profile.json5
index 651829e3213b5de16149c9db23ceb3e01533aab7..cde2069de4f9d27b83a2bddc456a7666459b70df 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -5,7 +5,7 @@
       {
         "name": "default",
         "signingConfig": "default",
-        "compatibleSdkVersion": "5.0.4(16)",
+        "compatibleSdkVersion": "5.0.0(12)",
         "runtimeOS": "HarmonyOS"
       }
     ],
diff --git a/entry/src/main/ets/views/ModeComponent.ets b/entry/src/main/ets/views/ModeComponent.ets
index 6cd0a974d5b218e82c34861d4c1afdbca394eaba..d6bcaed3eac362a29005fc3aa59caa7661ba782d 100644
--- a/entry/src/main/ets/views/ModeComponent.ets
+++ b/entry/src/main/ets/views/ModeComponent.ets
@@ -145,6 +145,9 @@ export struct ModeComponent {
                 if (this.sceneMode === camera.SceneMode.NORMAL_PHOTO) {
                   await CameraService.takePicture();
                 } else {
+                  let cameraDeviceIndex = GlobalContext.get().getT<number>('cameraDeviceIndex');
+                  let surfaceId = GlobalContext.get().getT<string>('xComponentSurfaceId');
+                  await CameraService.initCamera(surfaceId, cameraDeviceIndex);
                   await CameraService.startVideo();
                   this.isRecording = true;
                 }