diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 26d3352..0000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
diff --git a/.idea/dictionaries/zhl.xml b/.idea/dictionaries/zhl.xml
deleted file mode 100644
index 9aabb48..0000000
--- a/.idea/dictionaries/zhl.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="ProjectDictionaryState">
-  <dictionary name="zhl">
-    <words>
-      <w>errcode</w>
-      <w>errmsg</w>
-      <w>jcfw</w>
-      <w>jcwallet</w>
-      <w>ljava</w>
-      <w>walletconnect</w>
-    </words>
-  </dictionary>
-</component>
\ No newline at end of file
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index e5ece24..efcd92a 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,15 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="testRunner" value="GRADLE" />
-        <option name="disableWrapperSourceDistributionNotification" value="true" />
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleHome" value="/usr/local/Cellar/gradle/3.5/libexec" />
-        <option name="gradleJvm" value="1.8" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index d5d35ec..1b62f22 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 87b8b8c..35eb1dd 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-    <mapping directory="$PROJECT_DIR$/../../cocos/cocos2d-x" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..64e0593
--- /dev/null
+++ b/.vscode/c_cpp_properties.json
@@ -0,0 +1,35 @@
+{
+    "configurations": [
+        {
+            "name": "Mac",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/Users/zhl/Documents/workspace/cocos/cocos2d-x/**"
+            ],
+            "defines": [],
+            "macFrameworkPath": [
+                "/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk/System/Library/Frameworks"
+            ],
+            "compilerPath": "/usr/local/opt/llvm/bin/clang",
+            "cStandard": "c17",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "macos-clang-x64"
+        },
+        {
+            "name": "wallet",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/Users/zhl/Documents/workspace/cocos/cocos2d-x/**"
+            ],
+            "defines": [],
+            "macFrameworkPath": [
+                "/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk/System/Library/Frameworks"
+            ],
+            "compilerPath": "/usr/local/opt/llvm/bin/clang",
+            "cStandard": "c17",
+            "cppStandard": "c++14",
+            "intelliSenseMode": "macos-clang-x64"
+        }
+    ],
+    "version": 4
+}
\ No newline at end of file
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..131e417
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,90 @@
+{
+  "java.configuration.updateBuildConfiguration": "interactive",
+  "files.associations": {
+    "*.cjson": "jsonc",
+    "*.wxss": "css",
+    "*.wxs": "javascript",
+    "__bit_reference": "cpp",
+    "__config": "cpp",
+    "__debug": "cpp",
+    "__errc": "cpp",
+    "__functional_base": "cpp",
+    "__hash_table": "cpp",
+    "__locale": "cpp",
+    "__mutex_base": "cpp",
+    "__node_handle": "cpp",
+    "__nullptr": "cpp",
+    "__split_buffer": "cpp",
+    "__string": "cpp",
+    "__threading_support": "cpp",
+    "__tree": "cpp",
+    "__tuple": "cpp",
+    "algorithm": "cpp",
+    "array": "cpp",
+    "atomic": "cpp",
+    "bit": "cpp",
+    "bitset": "cpp",
+    "cctype": "cpp",
+    "chrono": "cpp",
+    "clocale": "cpp",
+    "cmath": "cpp",
+    "codecvt": "cpp",
+    "compare": "cpp",
+    "complex": "cpp",
+    "concepts": "cpp",
+    "condition_variable": "cpp",
+    "cstdarg": "cpp",
+    "cstddef": "cpp",
+    "cstdint": "cpp",
+    "cstdio": "cpp",
+    "cstdlib": "cpp",
+    "cstring": "cpp",
+    "ctime": "cpp",
+    "cwchar": "cpp",
+    "cwctype": "cpp",
+    "deque": "cpp",
+    "exception": "cpp",
+    "fstream": "cpp",
+    "functional": "cpp",
+    "future": "cpp",
+    "initializer_list": "cpp",
+    "iomanip": "cpp",
+    "ios": "cpp",
+    "iosfwd": "cpp",
+    "iostream": "cpp",
+    "istream": "cpp",
+    "iterator": "cpp",
+    "limits": "cpp",
+    "list": "cpp",
+    "locale": "cpp",
+    "map": "cpp",
+    "memory": "cpp",
+    "mutex": "cpp",
+    "new": "cpp",
+    "numeric": "cpp",
+    "optional": "cpp",
+    "ostream": "cpp",
+    "queue": "cpp",
+    "random": "cpp",
+    "ratio": "cpp",
+    "regex": "cpp",
+    "set": "cpp",
+    "sstream": "cpp",
+    "stack": "cpp",
+    "stdexcept": "cpp",
+    "streambuf": "cpp",
+    "string": "cpp",
+    "string_view": "cpp",
+    "system_error": "cpp",
+    "thread": "cpp",
+    "tuple": "cpp",
+    "type_traits": "cpp",
+    "typeinfo": "cpp",
+    "unordered_map": "cpp",
+    "unordered_set": "cpp",
+    "utility": "cpp",
+    "variant": "cpp",
+    "vector": "cpp",
+    "__bits": "cpp"
+  }
+}
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index b2f00a9..9ddcd4f 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -3,75 +3,69 @@
 	// for the documentation about the tasks.json format
 	"version": "2.0.0",
 	"tasks": [
-			{
-					"label": "AppSignKey",
-					"type": "shell",
-					"command": "keytool -genkey -v -keystore my-release-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my-alias",
-					"windows": {
-							// "command": "${workspaceRoot}\\shell.bat first"
-							"command": "cd gitoscandroid; del my-release-key.jks; keytool -genkey -v -keystore my-release-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my-alias"
-							// keytool -genkey -v -keystore release.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000
-							// keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000
-					},
-					"group": "test",
-					"presentation": {
-						"reveal": "always",
-					//   "panel": "new"
-					}
+		{
+			"label": "AppSignKey",
+			"type": "shell",
+			"command": "keytool -genkey -v -keystore my-release-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my-alias",
+			"windows": {
+				"command": "cd gitoscandroid; del my-release-key.jks; keytool -genkey -v -keystore my-release-key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias my-alias"
 			},
-			{
-					"label": "CleanApp",
-					"type": "shell",
-					"command": "${workspaceRoot}/gradlew clean",
-					"windows": {
-							// "command": "${workspaceRoot}\\shell.bat first"
-							"command": "${workspaceRoot}\\gradlew.bat clean "
-					},
-					"group": "test",
-					"presentation": {
-						"reveal": "always",
-					//   "panel": "new"
-					}
+			"group": "test",
+			"presentation": {
+				"reveal": "always"
+			}
+		},
+		{
+			"label": "CleanApp",
+			"type": "shell",
+			"command": "${workspaceRoot}/gradlew clean",
+			"windows": {
+				"command": "${workspaceRoot}\\gradlew.bat clean "
 			},
-			{
-					"label": "BuildDebugApp",
-					"type": "shell",
-					"command": "${workspaceRoot}/gradlew assembleDebug ",
-					"windows": {
-							// "command": "${workspaceRoot}\\shell.bat first"
-							"command": "${workspaceRoot}\\gradlew.bat assembleDebug "
-					},
-					"group": "test",
-					"presentation": {
-						"reveal": "always",
-					//   "panel": "new"
-					}
+			"group": "test",
+			"presentation": {
+				"reveal": "always"
+			}
+		},
+		{
+			"label": "BuildDebugApp",
+			"type": "shell",
+			"command": "${workspaceRoot}/gradlew assembleDebug ",
+			"windows": {
+				"command": "${workspaceRoot}\\gradlew.bat assembleDebug "
 			},
-			{
-					"label": "InstallDebugApp",
-					"type": "shell",
-					"command": "${workspaceRoot}/gradlew installDebug ",
-					"windows": {
-							"command": "${workspaceRoot}\\gradlew.bat installDebug "
-					},
-					"group": "test",
-					"presentation": {
-						"reveal": "always",
-					//   "panel": "new"
-					}
+			"group": {
+				"kind": "build",
+				"isDefault": true
 			},
-			{
-					"label": "InstallReleaseApp",
-					"type": "shell",
-					"command": "${workspaceRoot}/gradlew installRelease ",
-					"windows": {
-							"command": "${workspaceRoot}\\gradlew.bat installRelease "
-					},
-					"group": "test",
-					"presentation": {
-						"reveal": "always",
-					//   "panel": "new"
-					}
+			"presentation": {
+				"reveal": "always"
 			},
+			"problemMatcher": []
+		},
+		{
+			"label": "InstallDebugApp",
+			"type": "shell",
+			"command": "${workspaceRoot}/gradlew installDebug ",
+			"windows": {
+				"command": "${workspaceRoot}\\gradlew.bat installDebug "
+			},
+			"group": "test",
+			"presentation": {
+				"reveal": "always"
+			}
+		},
+		{
+			"label": "InstallReleaseApp",
+			"type": "shell",
+			"command": "${workspaceRoot}/gradlew installRelease ",
+			"windows": {
+				"command": "${workspaceRoot}\\gradlew.bat installRelease "
+			},
+			"group": "test",
+			"presentation": {
+				"reveal": "always"
+			}
+		}
 	]
 }
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index d8bbe69..581c5dc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,8 +1,6 @@
 import org.apache.tools.ant.taskdefs.condition.Os
 
-plugins {
-    id 'com.android.application'
-}
+apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion PROP_COMPILE_SDK_VERSION.toInteger()
@@ -109,6 +107,8 @@ dependencies {
     implementation "androidx.appcompat:appcompat:1.0.2"
     implementation "androidx.biometric:biometric:1.1.0"
     implementation files('../libs/unity-classes.jar')
+    
+    implementation 'com.google.android.gms:play-services-auth:20.3.0'
 
 //    implementation 'com.xm.permissions:XmPermissions:1.0.1'
     implementation 'pub.devrel:easypermissions:3.0.0'
diff --git a/app/src/com/fitchgc/headlesscocos/MainActivity.java b/app/src/com/fitchgc/headlesscocos/MainActivity.java
index d891bd5..77202e3 100644
--- a/app/src/com/fitchgc/headlesscocos/MainActivity.java
+++ b/app/src/com/fitchgc/headlesscocos/MainActivity.java
@@ -4,6 +4,7 @@ import android.Manifest;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.content.IntentSender;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.Configuration;
@@ -15,6 +16,15 @@ import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.Window;
 
+import com.google.android.gms.auth.api.identity.BeginSignInRequest;
+import com.google.android.gms.auth.api.identity.BeginSignInResult;
+import com.google.android.gms.auth.api.identity.Identity;
+import com.google.android.gms.auth.api.identity.SignInClient;
+import com.google.android.gms.auth.api.identity.SignInCredential;
+import com.google.android.gms.common.api.ApiException;
+import com.google.android.gms.common.api.CommonStatusCodes;
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
 import com.jc.jcfw.JcSDK;
 import com.king.zxing.CameraScan;
 import com.king.zxing.CaptureActivity;
@@ -27,6 +37,7 @@ import org.cocos2dx.lib.CocosJSHelper;
 
 import java.util.List;
 
+import androidx.annotation.NonNull;
 import androidx.core.app.ActivityOptionsCompat;
 import pub.devrel.easypermissions.AfterPermissionGranted;
 import pub.devrel.easypermissions.EasyPermissions;
@@ -45,6 +56,7 @@ public class MainActivity extends Activity
 
   public static final int REQUEST_CODE_SCAN = 0X01;
   public static final int REQUEST_CODE_PHOTO = 0X02;
+  public static final int REQ_ONE_TAP = 0X03;
 
   public static final int RC_CAMERA = 0X01;
 
@@ -52,6 +64,9 @@ public class MainActivity extends Activity
   private String title;
   private String funId;
 
+  private SignInClient oneTapClient;
+  private BeginSignInRequest signInRequest;
+
   protected String updateUnityCommandLineArguments(String cmdLine) {
     return cmdLine;
   }
@@ -73,6 +88,22 @@ public class MainActivity extends Activity
     app = this;
     Cocos2dxHelper.init(this);
     CocosJSHelper.initJSEnv(getApplicationContext());
+
+    oneTapClient = Identity.getSignInClient(this);
+    signInRequest = BeginSignInRequest.builder()
+              .setPasswordRequestOptions(BeginSignInRequest.PasswordRequestOptions.builder()
+                      .setSupported(true)
+                      .build())
+              .setGoogleIdTokenRequestOptions(BeginSignInRequest.GoogleIdTokenRequestOptions.builder()
+                      .setSupported(true)
+                      // Your server's client ID, not your Android client ID.
+                      .setServerClientId(getString(R.string.default_web_client_id))
+                      // Only show accounts previously used to sign in.
+                      .setFilterByAuthorizedAccounts(true)
+                      .build())
+              // Automatically sign in when exactly one credential is retrieved.
+              .setAutoSelectEnabled(true)
+              .build();
   }
 
   @Override
@@ -90,6 +121,39 @@ public class MainActivity extends Activity
         case REQUEST_CODE_PHOTO:
           parsePhoto(data);
           break;
+        case REQ_ONE_TAP:
+          try {
+            SignInCredential credential = oneTapClient.getSignInCredentialFromIntent(data);
+            String idToken = credential.getGoogleIdToken();
+            String username = credential.getId();
+            String password = credential.getPassword();
+            if (idToken !=  null) {
+              // Got an ID token from Google. Use it to authenticate
+              // with your backend.
+              Log.d(TAG, "Got ID token: " + idToken);
+            } else if (password != null) {
+              // Got a saved username and password. Use them to authenticate
+              // with your backend.
+              Log.d(TAG, "Got password.");
+            }
+          } catch (ApiException e) {
+            switch (e.getStatusCode()) {
+              case CommonStatusCodes.CANCELED:
+                Log.d(TAG, "One-tap dialog was closed.");
+                // Don't re-prompt the user.
+//                showOneTapUI = false;
+                break;
+              case CommonStatusCodes.NETWORK_ERROR:
+                Log.d(TAG, "One-tap encountered a network error.");
+                // Try again or just ignore.
+                break;
+              default:
+                Log.d(TAG, "Couldn't get credential from result."
+                    + e.getLocalizedMessage());
+                break;
+            }
+          }
+          break;
       }
     } else {
       JcSDK.csCallback(funId, "{errcode: 0, errmsg: 'cancel'}");
@@ -308,5 +372,35 @@ public class MainActivity extends Activity
     checkCameraPermissions();
   }
 
+  // end of qrcode
+
+  public void signWithGoogle(String funId) {
+    oneTapClient.beginSignIn(signInRequest)
+      .addOnSuccessListener(this, new OnSuccessListener<BeginSignInResult>() {
+            @Override
+            public void onSuccess(BeginSignInResult result) {
+                try {
+                    startIntentSenderForResult(
+                            result.getPendingIntent().getIntentSender(), REQ_ONE_TAP,
+                            null, 0, 0, 0);
+                } catch (IntentSender.SendIntentException e) {
+                    Log.e(TAG, "Couldn't start One Tap UI: " + e.getLocalizedMessage());
+                }
+            }
+        })
+        .addOnFailureListener(this, new OnFailureListener() {
+            @Override
+            public void onFailure(@NonNull Exception e) {
+                // No saved credentials found. Launch the One Tap sign-up flow, or
+                // do nothing and continue presenting the signed-out UI.
+                Log.d(TAG, e.getLocalizedMessage());
+            }
+        });
+
+  }
+
+  public void signOutGoogle(String funId) {
+    oneTapClient.signOut();
+  }
 
 }
\ No newline at end of file
diff --git a/app/src/com/jc/jcfw/JcSDK.java b/app/src/com/jc/jcfw/JcSDK.java
index 9e29bf9..b101128 100644
--- a/app/src/com/jc/jcfw/JcSDK.java
+++ b/app/src/com/jc/jcfw/JcSDK.java
@@ -8,6 +8,7 @@ import android.util.Log;
 import com.fitchgc.headlesscocos.MainActivity;
 
 import org.cocos2dx.lib.CocosJSHelper;
+import org.cocos2dx.lib.Cocos2dxJavascriptJavaBridge;
 
 public class JcSDK {
   private static final String TAG = JcSDK.class.getSimpleName();
@@ -25,7 +26,7 @@ public class JcSDK {
   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.nativeCallback("", "wallet init success", 0);
   }
 
   /**
@@ -34,13 +35,11 @@ public class JcSDK {
    * @param msg
    */
   public static void csCallback(String funId, String msg) {
-    commonCB.stringCallback(funId, msg);
-//    if (funId.indexOf("jscall-") == 0) {
-//      funId = funId.replace("jscall-", "");
-//      CocosJSHelper.jniCallback(funId, msg);
-//    } else {
-//      commonCB.stringCallback(funId, msg);
-//    }
+    if (funId.indexOf("js_") == 0) {
+      commonCB.nativeCallback(funId, msg, 1);
+    } else {
+      commonCB.nativeCallback(funId, msg, 0);
+    }
   }
 
   /**
@@ -65,4 +64,12 @@ public class JcSDK {
   public static void scanQRCode(String funid, String title) {
     MainActivity.app.showQRScan(funid, title);
   }
+
+  public static void signWithGoogle(String funid) {
+    MainActivity.app.signWithGoogle(funid);
+  }
+
+  public static void signOutGoogle(String funid) {
+    MainActivity.app.signOutGoogle(funid);
+  }
 }
diff --git a/app/src/com/jc/jcfw/UnityCallback.java b/app/src/com/jc/jcfw/UnityCallback.java
index 270bbd3..6c53b7f 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 funId, String str);
+  public void nativeCallback(String funId, String str, int type);
 }
diff --git a/js/main.js b/js/main.js
index 26b2d1d..8811fb3 100644
--- a/js/main.js
+++ b/js/main.js
@@ -238,6 +238,24 @@ function scanQRCode(funId, title) {
       return JSON.stringify({errcode: 1, errmsg: err});
     }
 }
+
+function signWithGoogle(funId) {
+  try {
+    jsb.signWithGoogle(funId);
+  } catch(err) {
+    return JSON.stringify({errcode: 1, errmsg: err});
+  }
+}
+
+function signOutGoogle(funId) {
+  try {
+      jsb.signOutGoogle(funId);
+      return JSON.stringify({errcode: 0, data: 'success'});
+  } catch(err) {
+    return JSON.stringify({errcode: 1, errmsg: err});
+  }
+}
+
 //function toWalletJNI(funId, url) {
 //    try {
 //        jsb.toWallet(url);
diff --git a/js/platform.js b/js/platform.js
index a8abafc..3a97b8b 100644
--- a/js/platform.js
+++ b/js/platform.js
@@ -16,3 +16,6 @@ window.jumpToWallet = function(url) {
 //    url || 'wc://'
 //  )
 }
+function nativeCallback(funId, msg) {
+  console.log(`native call back:: funid: ${funId} msg: ${msg}`)
+}
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 3ced31a..7524022 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2,4 +2,5 @@
     <string name="app_name">HeadlessCocos</string>
     <string name="game_view_content_description">Game view</string>
     <string name="permission_camera">Scan QRCode need camera permission</string>
+    <string name="default_web_client_id">165555585193-ud80sst45po348ohec2h33t2m6mjnlt0.apps.googleusercontent.com</string>
 </resources>
\ No newline at end of file