diff --git a/android/app/proguard-rules.pro b/android/app/proguard-rules.pro
new file mode 100644
index 0000000..dde36c1
--- /dev/null
+++ b/android/app/proguard-rules.pro
@@ -0,0 +1,18 @@
+## Flutter wrapper
+-keep class io.flutter.app.** { *; }
+-keep class io.flutter.plugin.**  { *; }
+-keep class io.flutter.util.**  { *; }
+-keep class io.flutter.view.**  { *; }
+-keep class io.flutter.**  { *; }
+-keep class io.flutter.plugins.**  { *; }
+-dontwarn io.flutter.embedding.**
+
+## AMap 3D Map
+-keep   class com.amap.api.maps.**{*;}
+-keep   class com.autonavi.**{*;}
+-keep   class com.amap.api.trace.**{*;}
+
+## AMap Location
+-keep class com.amap.api.location.**{*;}
+-keep class com.amap.api.fence.**{*;}
+-keep class com.autonavi.aps.amapapi.model.**{*;}
\ No newline at end of file
diff --git a/lib/main.dart b/lib/main.dart
index 69bcc55..5407f7a 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -28,7 +28,8 @@ void main() async {
   // await AmapCore.init('');
   // await AmapLocation.instance.init(iosKey: '');
   JPush jpush = new JPush();
-  DevUtil.setDev(true);
+  const isProduct = const bool.fromEnvironment('ISPRODUCT');
+  DevUtil.setDev(!isProduct);
   jpush.addEventHandler(
     // 接收通知回调方法。
     onReceiveNotification: (Map<String, dynamic> message) async {
diff --git a/tool/grind.dart b/tool/grind.dart
index 707ddd6..caa93b4 100644
--- a/tool/grind.dart
+++ b/tool/grind.dart
@@ -13,3 +13,20 @@ build() {
 
 @Task()
 clean() => defaultClean();
+
+@Task()
+buildApk() async {
+  await runAsync('flutter', arguments: [
+    'build',
+    'apk',
+    '--target-platform=android-arm64',
+    '--dart-define',
+    'ISPRODUCT=true'
+  ]);
+}
+
+@Task()
+buildIos() async {
+  await runAsync('flutter',
+      arguments: ['build', 'ios', '--dart-define', 'BUILD_TYPE=PRODUCT']);
+}