diff --git a/app/src/com/fitchgc/headlesscocos/MainActivity.java b/app/src/com/fitchgc/headlesscocos/MainActivity.java
index 9d39edc..d891bd5 100644
--- a/app/src/com/fitchgc/headlesscocos/MainActivity.java
+++ b/app/src/com/fitchgc/headlesscocos/MainActivity.java
@@ -14,8 +14,8 @@ import android.util.Log;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.Window;
-import android.widget.Toast;
 
+import com.jc.jcfw.JcSDK;
 import com.king.zxing.CameraScan;
 import com.king.zxing.CaptureActivity;
 import com.king.zxing.util.CodeUtils;
@@ -50,6 +50,7 @@ public class MainActivity extends Activity
 
   public static final int RC_READ_PHOTO = 0X02;
   private String title;
+  private String funId;
 
   protected String updateUnityCommandLineArguments(String cmdLine) {
     return cmdLine;
@@ -81,13 +82,18 @@ public class MainActivity extends Activity
       switch (requestCode){
         case REQUEST_CODE_SCAN:
           String result = CameraScan.parseScanResult(data);
-          Log.i(TAG, "scan qrcode result: " + result);
+          Log.i(TAG, "scan qrcode with funId: " +funId+ " result: " + result);
+          String jsonStr = String.format("{errcode: 0, data: '%s'}", result);
+          JcSDK.csCallback(funId, jsonStr);
+          funId = "";
           break;
         case REQUEST_CODE_PHOTO:
-//          parsePhoto(data);
-          Log.i(TAG, "request qrcode img result: " + data);
+          parsePhoto(data);
           break;
       }
+    } else {
+      JcSDK.csCallback(funId, "{errcode: 0, errmsg: 'cancel'}");
+      funId = "";
     }
   }
 
@@ -237,6 +243,10 @@ public class MainActivity extends Activity
   public void onPermissionsDenied(int requestCode, List<String> list) {
     // Some permissions have been denied
     // ...
+    if (requestCode ==RC_CAMERA && null != funId && !"".equals(funId)) {
+      JcSDK.csCallback(funId, "{errcode: 1, errmsg: 'no camera permission'}");
+      funId = "";
+    }
   }
 
   // end of easypermissions
@@ -278,20 +288,23 @@ public class MainActivity extends Activity
       Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(),data.getData());
       asyncThread(() -> {
         final String result = CodeUtils.parseCode(bitmap);
-        runOnUiThread(() -> {
-          LogUtils.d("result:" + result);
-          Toast.makeText(getContext(),result,Toast.LENGTH_SHORT).show();
-        });
+        LogUtils.d("result:" + result);
+        String jsonStr = String.format("{errcode: 0, data: '%s'}", result);
+        JcSDK.csCallback(funId, jsonStr);
+        funId = "";
       });
 
     } catch (Exception e) {
       e.printStackTrace();
+      JcSDK.csCallback(funId, String.format("{errcode: 1, errmsg: '%s'}", e.toString()));
+      funId = "";
     }
 
   }
 
-  public void showQRScan(String title) {
+  public void showQRScan(String funId, String title) {
     this.title = title;
+    this.funId = funId;
     checkCameraPermissions();
   }
 
diff --git a/app/src/com/jc/jcfw/JcSDK.java b/app/src/com/jc/jcfw/JcSDK.java
index c47f91f..e4dedfa 100644
--- a/app/src/com/jc/jcfw/JcSDK.java
+++ b/app/src/com/jc/jcfw/JcSDK.java
@@ -18,27 +18,27 @@ public class JcSDK {
   }
 
   /**
+   * @Deprecated
    * 不使用该方法, 直接由unity调用cpp方法
    * @param password
    */
   public static void initWallet(String password) {
     Log.i(TAG, "call init wallet from unity with password: " + password);
     CocosJSHelper.initWallet(password);
-    commonCB.stringCallback("wallet init success");
+    commonCB.stringCallback("", "wallet init success");
+  }
+
+  /**
+   * 回调至c#
+   * @param funId
+   * @param msg
+   */
+  public static void csCallback(String funId, String msg) {
+    if (!funId.equals("jscall")) {
+      commonCB.stringCallback(funId, msg);
+    }
   }
 
-//  public static void connectWallet(String url){
-//    Uri uri = Uri.parse(url);
-//    Log.i(TAG, url);
-//    Intent intent = new Intent(Intent.ACTION_VIEW, uri);
-//    try {
-//      MainActivity.app.startActivity(intent);
-//    } catch (ActivityNotFoundException e) {
-//      Intent i = new Intent(Intent.ACTION_VIEW);
-//      i.setData(Uri.parse("https://metamask.io/download/"));
-//      MainActivity.app.startActivity(i);
-//    }
-//  }
   /**
    * check if metamask installed and jump to metamask
    * @param url
@@ -58,7 +58,7 @@ public class JcSDK {
     }
   }
 
-  public static void scanQRCode(String title) {
-    MainActivity.app.showQRScan(title);
+  public static void scanQRCode(String funid, String title) {
+    MainActivity.app.showQRScan(funid, title);
   }
 }
diff --git a/app/src/com/jc/jcfw/UnityCallback.java b/app/src/com/jc/jcfw/UnityCallback.java
index 31b02dc..270bbd3 100644
--- a/app/src/com/jc/jcfw/UnityCallback.java
+++ b/app/src/com/jc/jcfw/UnityCallback.java
@@ -1,5 +1,5 @@
 package com.jc.jcfw;
 
 public interface UnityCallback {
-  public void stringCallback(String str);
+  public void stringCallback(String funId, String str);
 }
diff --git a/js/main.js b/js/main.js
index f50579f..26b2d1d 100644
--- a/js/main.js
+++ b/js/main.js
@@ -233,8 +233,7 @@ function restoreFromMnemonic(funId, mnemonic, password) {
 
 function scanQRCode(funId, title) {
     try {
-      jsb.scanQRCode(title);
-      return JSON.stringify({errcode: 0});
+      jsb.scanQRCode(funId, title);
     } catch(err) {
       return JSON.stringify({errcode: 1, errmsg: err});
     }