diff --git a/Application/src/main/AndroidManifest.xml b/Application/src/main/AndroidManifest.xml
index 67a90d0..e930baf 100644
--- a/Application/src/main/AndroidManifest.xml
+++ b/Application/src/main/AndroidManifest.xml
@@ -30,7 +30,7 @@
         android:icon="@drawable/ic_launcher"
         android:theme="@style/MaterialTheme">
 
-        <activity android:name=".CameraActivity"
+        <activity android:name="com.xypower.mvapp.CameraActivity"
                   android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/Application/src/main/java/com/example/android/camera2video/AutoFitTextureView.java b/Application/src/main/java/com/xypower/mvapp/AutoFitTextureView.java
similarity index 98%
rename from Application/src/main/java/com/example/android/camera2video/AutoFitTextureView.java
rename to Application/src/main/java/com/xypower/mvapp/AutoFitTextureView.java
index 090f81c..f1b1f42 100644
--- a/Application/src/main/java/com/example/android/camera2video/AutoFitTextureView.java
+++ b/Application/src/main/java/com/xypower/mvapp/AutoFitTextureView.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.android.camera2video;
+package com.xypower.mvapp;
 
 import android.content.Context;
 import android.util.AttributeSet;
diff --git a/Application/src/main/java/com/example/android/camera2video/Camera2VideoFragment.java b/Application/src/main/java/com/xypower/mvapp/Camera2VideoFragment.java
similarity index 99%
rename from Application/src/main/java/com/example/android/camera2video/Camera2VideoFragment.java
rename to Application/src/main/java/com/xypower/mvapp/Camera2VideoFragment.java
index fc2ff13..ef1d5f7 100644
--- a/Application/src/main/java/com/example/android/camera2video/Camera2VideoFragment.java
+++ b/Application/src/main/java/com/xypower/mvapp/Camera2VideoFragment.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.android.camera2video;
+package com.xypower.mvapp;
 
 import android.Manifest;
 import android.app.Activity;
diff --git a/Application/src/main/java/com/example/android/camera2video/CameraActivity.java b/Application/src/main/java/com/xypower/mvapp/CameraActivity.java
similarity index 96%
rename from Application/src/main/java/com/example/android/camera2video/CameraActivity.java
rename to Application/src/main/java/com/xypower/mvapp/CameraActivity.java
index d90f227..e2b304f 100644
--- a/Application/src/main/java/com/example/android/camera2video/CameraActivity.java
+++ b/Application/src/main/java/com/xypower/mvapp/CameraActivity.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.example.android.camera2video;
+package com.xypower.mvapp;
 
 import android.app.Activity;
 import android.os.Bundle;
diff --git a/Application/src/main/res/layout-land/fragment_camera2_video.xml b/Application/src/main/res/layout-land/fragment_camera2_video.xml
index aa139a9..96f709f 100644
--- a/Application/src/main/res/layout-land/fragment_camera2_video.xml
+++ b/Application/src/main/res/layout-land/fragment_camera2_video.xml
@@ -17,7 +17,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <com.example.android.camera2video.AutoFitTextureView
+    <com.xypower.mvapp.AutoFitTextureView
         android:id="@+id/texture"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
diff --git a/Application/src/main/res/layout/fragment_camera2_video.xml b/Application/src/main/res/layout/fragment_camera2_video.xml
index e30009d..a5225bb 100644
--- a/Application/src/main/res/layout/fragment_camera2_video.xml
+++ b/Application/src/main/res/layout/fragment_camera2_video.xml
@@ -17,7 +17,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <com.example.android.camera2video.AutoFitTextureView
+    <com.xypower.mvapp.AutoFitTextureView
         android:id="@+id/texture"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
diff --git a/build.gradle b/build.gradle
index 5cf5d3d..9e5f5f8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,10 +5,3 @@
 
 
 
-
-
-
-
-
-
-
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ae45383..8515a47 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.3-all.zip
+distributionUrl=https\://mirrors.cloud.tencent.com/gradle/gradle-4.10.3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists