diff --git a/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcHandle.java b/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcHandle.java
index 332463e..cc5a797 100644
--- a/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcHandle.java
+++ b/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcHandle.java
@@ -35,6 +35,7 @@ import com.baichuan.nb_trade.auth.TopAuth;
 import com.baichuan.nb_trade.callback.AlibcTradeInitCallback;
 import com.baichuan.nb_trade.callback.AuthCallback;
 import com.baichuan.nb_trade.core.AlibcTradeSDK;
+import com.ut.device.UTDevice;
 import com.wxwx.flutter_alibc.web.WebViewActivity;
 
 import java.util.Map;
@@ -489,5 +490,12 @@ public class FlutterAlibcHandle {
 //        AlibcTradeSDK.setShouldUseAlipay(call.argument("isNeed"));
     }
 
+    public void getUdid(MethodCall call) {
+        String udid = UTDevice.getUtdid(register.activity().getApplicationContext());
+        Map<String, String> resMap = new HashMap();
+        resMap.put("udid", udid);
+        result.success(resMap);
+    }
+
 
 }
\ No newline at end of file
diff --git a/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcPlugin.java b/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcPlugin.java
index 8173bae..eed04fe 100644
--- a/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcPlugin.java
+++ b/android/src/main/java/com/wxwx/flutter_alibc/FlutterAlibcPlugin.java
@@ -43,6 +43,8 @@ public class FlutterAlibcPlugin implements MethodCallHandler {
       handle.syncForTaoke(call);
     }else if (call.method.equals("useAlipayNative")){
       handle.useAlipayNative(call);
+    }if (call.method.equals("getUdid")){
+      handle.useAlipayNative(call);
     }else {
       result.notImplemented();
     }
diff --git a/lib/flutter_alibc.dart b/lib/flutter_alibc.dart
index e872b53..9f83124 100644
--- a/lib/flutter_alibc.dart
+++ b/lib/flutter_alibc.dart
@@ -37,10 +37,8 @@ class FlutterAlibc {
   ///   errorMessage,  //message
   ///}
   static Future<InitModel> initAlibc({String version, String appName}) async {
-    Map result = await _channel
-        .invokeMethod("initAlibc", {"version": version, "appName": appName});
-    return InitModel(
-        result[AlibcConstKey.errorCode], result[AlibcConstKey.errorMessage]);
+    Map result = await _channel.invokeMethod("initAlibc", {"version": version, "appName": appName});
+    return InitModel(result[AlibcConstKey.errorCode], result[AlibcConstKey.errorMessage]);
   }
 
   ///
@@ -57,15 +55,9 @@ class FlutterAlibc {
         result[AlibcConstKey.errorMessage],
       );
     }
-    return LoginModel(
-        result[AlibcConstKey.errorCode], result[AlibcConstKey.errorMessage],
-        data: UserModel(
-            result[AlibcConstKey.data]["nick"],
-            result[AlibcConstKey.data]["avatarUrl"],
-            result[AlibcConstKey.data]["openId"],
-            result[AlibcConstKey.data]["openSid"],
-            result[AlibcConstKey.data]["topAccessToken"],
-            result[AlibcConstKey.data]["topAuthCode"]));
+    return LoginModel(result[AlibcConstKey.errorCode], result[AlibcConstKey.errorMessage],
+        data: UserModel(result[AlibcConstKey.data]["nick"], result[AlibcConstKey.data]["avatarUrl"], result[AlibcConstKey.data]["openId"], result[AlibcConstKey.data]["openSid"],
+            result[AlibcConstKey.data]["topAccessToken"], result[AlibcConstKey.data]["topAuthCode"]));
   }
 
   ///
@@ -86,8 +78,7 @@ class FlutterAlibc {
     @required String url,
     AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
     bool isNeedCustomNativeFailMode = false,
-    AlibcNativeFailMode nativeFailMode =
-        AlibcNativeFailMode.AlibcNativeFailModeNone,
+    AlibcNativeFailMode nativeFailMode = AlibcNativeFailMode.AlibcNativeFailModeNone,
     AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTaoBao,
     TaokeParams taokeParams,
     String backUrl,
@@ -111,10 +102,7 @@ class FlutterAlibc {
   /// name app名字
   /// alibcAppKey  百川Key
   /// Map<String,String>
-  static Future<Map<dynamic, dynamic>> taoKeLoginNew(
-       String name,
-       String alibcAppKey) async {
-
+  static Future<Map<dynamic, dynamic>> taoKeLoginNew(String name, String alibcAppKey) async {
     Map result = await _channel.invokeMethod("taoKeLoginNew", {
       "name": name,
       "alibcAppKey": alibcAppKey,
@@ -135,17 +123,15 @@ class FlutterAlibc {
   /// backUrl: 跳转回来的url
   /// @return:
   ///
-  static Future<TradeResult> openByUrl({
-    @required String url,
-    AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
-    bool isNeedCustomNativeFailMode = false,
-    AlibcNativeFailMode nativeFailMode =
-        AlibcNativeFailMode.AlibcNativeFailModeNone,
-    AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTmall,
-    TaokeParams taokeParams,
-    String backUrl,
-    bool isAuth = false
-  }) async {
+  static Future<TradeResult> openByUrl(
+      {@required String url,
+      AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
+      bool isNeedCustomNativeFailMode = false,
+      AlibcNativeFailMode nativeFailMode = AlibcNativeFailMode.AlibcNativeFailModeNone,
+      AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTmall,
+      TaokeParams taokeParams,
+      String backUrl,
+      bool isAuth = false}) async {
     Map taoKe = AlibcTools.getTaokeMap(taokeParams);
     var result = await _channel.invokeMethod("openByUrl", {
       "url": url,
@@ -188,8 +174,7 @@ class FlutterAlibc {
     // bool isNeedPush = false,
     AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
     bool isNeedCustomNativeFailMode = false,
-    AlibcNativeFailMode nativeFailMode =
-        AlibcNativeFailMode.AlibcNativeFailModeNone,
+    AlibcNativeFailMode nativeFailMode = AlibcNativeFailMode.AlibcNativeFailModeNone,
     AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTmall,
     TaokeParams taokeParams,
     // 额外需要追踪的业务数据
@@ -224,8 +209,7 @@ class FlutterAlibc {
     // bool isNeedPush = false,
     AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
     bool isNeedCustomNativeFailMode = false,
-    AlibcNativeFailMode nativeFailMode =
-        AlibcNativeFailMode.AlibcNativeFailModeNone,
+    AlibcNativeFailMode nativeFailMode = AlibcNativeFailMode.AlibcNativeFailModeNone,
     AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTmall,
     TaokeParams taokeParams,
     // 额外需要追踪的业务数据
@@ -259,8 +243,7 @@ class FlutterAlibc {
     // bool isNeedPush = false,
     AlibcOpenType openType = AlibcOpenType.AlibcOpenTypeAuto,
     bool isNeedCustomNativeFailMode = false,
-    AlibcNativeFailMode nativeFailMode =
-        AlibcNativeFailMode.AlibcNativeFailModeNone,
+    AlibcNativeFailMode nativeFailMode = AlibcNativeFailMode.AlibcNativeFailModeNone,
     AlibcSchemeType schemeType = AlibcSchemeType.AlibcSchemeTmall,
     TaokeParams taokeParams,
     // 额外需要追踪的业务数据
@@ -292,4 +275,9 @@ class FlutterAlibc {
   static useAlipayNative(bool isNeed) {
     _channel.invokeMethod("useAlipayNative", {"isNeed": isNeed});
   }
+
+  static Future<String> getUdid(bool isNeed) async {
+    var map = await _channel.invokeMethod("getUdid");
+    return map['udid'];
+  }
 }