diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a6f35c..5bd3de5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,4 +12,8 @@
 
 ## 0.0.4
 
+* update.
+
+## 0.0.4+1
+
 * update.
\ No newline at end of file
diff --git a/android/src/main/java/com/iotserv/flutter_oneshot/FlutterOneshotPlugin.java b/android/src/main/java/com/iotserv/flutter_oneshot/FlutterOneshotPlugin.java
index 481c26c..d62d3e2 100644
--- a/android/src/main/java/com/iotserv/flutter_oneshot/FlutterOneshotPlugin.java
+++ b/android/src/main/java/com/iotserv/flutter_oneshot/FlutterOneshotPlugin.java
@@ -1,100 +1,71 @@
 package com.iotserv.flutter_oneshot;
 
-import android.app.Activity;
-import android.net.wifi.WifiManager;
-import android.util.Log;
-
 import androidx.annotation.NonNull;
 
+import com.winnermicro.smartconfig.ConfigType;
+import com.winnermicro.smartconfig.IOneShotConfig;
+import com.winnermicro.smartconfig.SmartConfigFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
 import io.flutter.embedding.engine.plugins.FlutterPlugin;
 import io.flutter.plugin.common.MethodCall;
 import io.flutter.plugin.common.MethodChannel;
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
 
-import com.winnermicro.smartconfig.*;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/** FlutterOneshotPlugin */
+/**
+ * FlutterOneshotPlugin
+ */
 public class FlutterOneshotPlugin implements FlutterPlugin, MethodCallHandler {
-  /// The MethodChannel that will the communication between Flutter and native Android
-  ///
-  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
-  /// when the Flutter Engine is detached from the Activity
-  private int timeout = 60;//miao
-  private FlutterPluginBinding myFlutterPluginBinding;
-  private MethodChannel channel;
+    /// The MethodChannel that will the communication between Flutter and native Android
+    ///
+    /// This local reference serves to register the plugin with the Flutter Engine and unregister it
+    /// when the Flutter Engine is detached from the Activity
+    private int timeout = 60;//miao
+    private FlutterPluginBinding myFlutterPluginBinding;
+    private MethodChannel channel;
 
-  private String ssid;
-  private String password = null;
-  private IOneShotConfig oneshotConfig = null;
-  private SmartConfigFactory factory = null;
+    private String ssid;
+    private String password = null;
+    private IOneShotConfig oneshotConfig = null;
+    private SmartConfigFactory factory = null;
 
-  @Override
-  public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
-    myFlutterPluginBinding = flutterPluginBinding;
-    channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), "flutter_oneshot");
-    channel.setMethodCallHandler(this);
-  }
-
-  @Override
-  public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
-    if (call.method.equals("getPlatformVersion")) {
-      result.success("Android " + android.os.Build.VERSION.RELEASE);
-    } else if (call.method.equals("start")){
-      //参数获取
-      ssid = call.argument("ssid");
-      password = call.argument("password");
-      try {
-        timeout = call.argument("timeout");
-      }catch (Exception e){
-        e.printStackTrace();
-        timeout = 30;
-      }
-      new Thread(new UDPReqThread(result)).start();
-    }
-    else {
-      result.notImplemented();
+    @Override
+    public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
+        myFlutterPluginBinding = flutterPluginBinding;
+        channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), "flutter_oneshot");
+        channel.setMethodCallHandler(this);
     }
-  }
-
-  @Override
-  public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
-    channel.setMethodCallHandler(null);
-  }
 
-  class UDPReqThread implements Runnable {
-    private Result result;
-    public UDPReqThread(Result result)
-    {
-      this.result = result;
+    @Override
+    public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
+        if (call.method.equals("getPlatformVersion")) {
+            result.success("Android " + android.os.Build.VERSION.RELEASE);
+        } else if (call.method.equals("start")) {
+            //参数获取
+            ssid = call.argument("ssid");
+            password = call.argument("password");
+            try {
+                timeout = call.argument("timeout");
+            } catch (Exception e) {
+                e.printStackTrace();
+                timeout = 30;
+            }
+            factory = new SmartConfigFactory();
+            oneshotConfig = factory.createOneShotConfig(ConfigType.UDP);
+            oneshotConfig.start(ssid, password, timeout, myFlutterPluginBinding.getApplicationContext());
+            final Map<String, String> ret = new HashMap<String, String>();
+            ret.put("result", "success");
+            result.success(ret);
+        } else {
+            result.notImplemented();
+        }
     }
 
-    public void run() {
-      final Map<String, String> ret = new HashMap<String, String>();
-      factory = new SmartConfigFactory();
-      oneshotConfig = factory.createOneShotConfig(ConfigType.UDP);
-      //      start config
-      try {
-        oneshotConfig.start(ssid, password, timeout, myFlutterPluginBinding.getApplicationContext());
-      }
-      catch (OneShotException e) {
-        Log.d("===oneshot-OneShotE===",e.getMessage());
-        e.printStackTrace();
-        int code = e.getErrorID();
-        Log.d("onshot err", String.valueOf(code));
-      }
-      catch (Exception e) {
-        Log.d("===oneshot-exception===",e.getMessage());
-        e.printStackTrace();
-      } finally {
-        oneshotConfig.stop(	);
-        ret.put("result","success");
-        Log.d("===oneshot-success===","success");
-        result.success(ret);
-      }
+    @Override
+    public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
+        channel.setMethodCallHandler(null);
     }
-  }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 3d6650d..29d6c74 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_oneshot
 description: OneShot for w60x wifi config
-version: 0.0.4
+version: 0.0.4+1
 homepage: https://github.com/iotdevice/flutter_oneshot
 
 environment: