diff --git a/README.md b/README.md
index 9610e30..cb08666 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ flutter pub run grinder build-apk --v
 //签名前请确保已安装java环境
 //签名前请将加固后的的安装包重命名为"RECOOK_reinforce.apk",并移动至”/Users/$name/Downloads/buils/“目录下
 ```bash
-flutter pub run grinder sign --input=xxx.apk
+grind sign
 ```
 
 ### 预安装软件包
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 88be7f3..2a45ce6 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -34,6 +34,7 @@
     <application
         android:name="io.flutter.app.FlutterApplication"
         android:label="瑞库客"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher"
         tools:replace="android:label"
         android:requestLegacyExternalStorage="true"
diff --git a/tool/grind.dart b/tool/grind.dart
index ac02a58..7b41f64 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -19,7 +19,8 @@ test() => new TestRunner().testAsync();
 Future releaseApk() async {
   stdout.write("Build APK 📦\n");
   stdout.write("BUILDINGAPK\n");
-  await Process.start('flutter', [
+  await Process.start('fvm', [
+    'flutter',
     'build',
     'apk',
     '--target-platform=android-arm64',
@@ -61,7 +62,14 @@ Future releaseDev() async {
 
   stdout.write("Build Dev APK 📦\n");
   stdout.write("BUILDINGAPK\n");
-  await Process.start('flutter', ['build', 'apk']).then((proc) async {
+  await Process.start('fvm', [
+    'flutter',
+    'build',
+    'apk',
+    '--target-platform=android-arm64',
+    '--dart-define',
+    'ISDEBUG=false'
+  ]).then((proc) async {
     await stdout.addStream(proc.stdout);
     await stderr.addStream(proc.stderr);
   });