diff --git a/android/app/build.gradle b/android/app/build.gradle
index 5b25c505c..12caecb20 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -44,7 +44,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.pilipala"
+        applicationId "com.guozhigq.pilipala"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
         // minSdkVersion flutter.minSdkVersion
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 3feb3e1a4..637cff243 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.pilipala">
+    package="com.guozhigq.pilipala">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 5f6c79234..5f62a2d36 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.pilipala">
+    package="com.guozhigq.pilipala">
     <queries>
         <intent>
             <action android:name="android.intent.action.VIEW" />
diff --git a/android/app/src/main/kotlin/com/example/pilipala/MainActivity.kt b/android/app/src/main/kotlin/com/example/pilipala/MainActivity.kt
index 2f838c496..117c85efd 100644
--- a/android/app/src/main/kotlin/com/example/pilipala/MainActivity.kt
+++ b/android/app/src/main/kotlin/com/example/pilipala/MainActivity.kt
@@ -1,4 +1,4 @@
-package com.example.pilipala
+package com.guozhigq.pilipala
 
 import io.flutter.embedding.android.FlutterActivity
 
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
index 3feb3e1a4..637cff243 100644
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.pilipala">
+    package="com.guozhigq.pilipala">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj
index 54f21b803..e01f71117 100644
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@@ -365,7 +365,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.pilipala;
+				PRODUCT_BUNDLE_IDENTIFIER = com.guozhigq.pilipala;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
@@ -494,7 +494,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.pilipala;
+				PRODUCT_BUNDLE_IDENTIFIER = com.guozhigq.pilipala;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
@@ -517,7 +517,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				PRODUCT_BUNDLE_IDENTIFIER = com.example.pilipala;
+				PRODUCT_BUNDLE_IDENTIFIER = com.guozhigq.pilipala;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_OBJC_BRIDGING_HEADER = "Runner/Runner-Bridging-Header.h";
 				SWIFT_VERSION = 5.0;
diff --git a/lib/scripts/build.sh b/lib/scripts/build.sh
new file mode 100644
index 000000000..b75864572
--- /dev/null
+++ b/lib/scripts/build.sh
@@ -0,0 +1 @@
+flutter build apk --target-platform android-arm64 --split-per-abi
\ No newline at end of file