diff --git a/README.md b/README.md
index 8654ee3..026748f 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ react-native-uiwjs-alipay
 
 ![](https://gw.alipayobjects.com/zos/skylark-tools/public/files/2454bffde14f428b2eeb2bfb6aa28d6b.png)
 
+## 注意事项
+
 1. Android：支持2.3及以上的系统版本运行。
 2. iOS：iOS 6.0以上(包含iOS 6.0)。
 3. 支持手机系统：iOS（苹果）、Android（安卓）。
@@ -26,6 +28,8 @@ $ cd ios && pod install
 
 ### `Alipay.alipay` 支付
 
+> `Alipay.alipay: (payInfo: string) => Promise<OrderResult>;`
+
 - ⚠️ 注意支付成功返回结果是一个字符串，[返回内容](https://github.com/uiwjs/react-native-uiwjs-alipay/blob/4c89c4e0e623e5073e4dc84a86978b1c5da18704/index.d.ts#L50-L74)  
 - ⚠️ 支付宝需要设置 `Scheme` 和 iOS添加原生代码，才能支持支付和[回弹商家APP](#支付宝返回应用-ios-设置)的功能
 - ⚠️ 支付宝 `管理中心-支付宝开放平台` 需要签约 [`APP支付`](https://opendocs.alipay.com/open/200/105310#%E6%B7%BB%E5%8A%A0%E5%BA%94%E7%94%A8%E5%8A%9F%E8%83%BD)
@@ -38,9 +42,15 @@ import Alipay from 'react-native-uiwjs-alipay';
 Alipay.setAlipayScheme(scheme);
 // ⚠️ 目前不可用，设置支付宝沙箱环境，仅 Android 支持
 // Alipay.setAlipaySandbox(isSandbox);
-// 支付宝端支付
-// payInfo 是后台拼接好的支付参数
-Alipay.alipay(payInfo, (res)=> console.log(res))
+
+async function aliPay() {
+  // 支付宝端支付
+  // payInfo 是后台拼接好的支付参数
+  // return_url=
+  const payInfo = 'alipay_sdk=alipay-sdk-java-dynamicVersionNo&app_id=2021001172656340&biz_content=%7B%22out_trade_no%22%3A%221111112222222%22%2C%22total_amount%22%3A%220.01%22%2C%22subject%22%3A%221234%22%2C%22product_code%22%3A%22QUICK_MSECURITY_PAY%22%7D&charset=UTF-8&format=json&method=alipay.trade.app.pay&notify_url=http%3A%2F%2Fane.boshu.ltd%2Fowner%2Fpay%2Fapi%2FownerPay%2Fcallback&sign=oUQmGtkv8mrhJ0YwHl9%2FfxMcoLACWuSFKiMTC4Id8nc%2FZVvDQ6MLQq5hhtEN03Qn1%2BAtzTAaofE8nNixdroxOek2l5YtOAcYcXVYlJIyogN%2B22erN2NpDTWJ7tQTKgYFDJLRiG0DZJaxfADhUUF6UR9kdA8omoXKLDlP17ZPUs5Jr4aKv5HJtH5C53ui7PbmyWYg934L4UDC2F%2F9pPQlRwwDeE1SAaV3HW9Dt83kK52o8%2FlChXdotbFdAvH0d4qYGhpEYU5sepj9xiOMyL9aC4pMXW9INYLLGbvtqtlRchZTAfH5yji6nqqQm9KKMmcVrWdBDLyjFVNpejq1UjbJBw%3D%3D&sign_type=RSA2&timestamp=2020-07-09+12%3A16%3A16&version=1.0';
+  const resule = await Alipay.alipay(payInfo);
+  console.log('alipay:resule-->>>', resule);
+}
 ```
 
 订单详情 [`payInfo`](https://opendocs.alipay.com/open/204/105295#%E5%BF%AB%E6%8D%B7%E8%AE%A2%E5%8D%95%E6%94%AF%E4%BB%98%20iOS) 编码前的数据
@@ -70,6 +80,8 @@ alipay_sdk=alipay-sdk-java-dynamicVersionNo&app_id=xxxxxxxxxxxxx&biz_content=%7B
 
 ### `Alipay.authInfo` 登录授权
 
+> `Alipay.authInfo: (authInfoStr: string) => Promise<AuthResult>`;
+
 - ⚠️ 注意授权成功返回结果是一个字符串，[返回内容](https://github.com/uiwjs/react-native-uiwjs-alipay/blob/4c89c4e0e623e5073e4dc84a86978b1c5da18704/index.d.ts#L89-L113)  
 - ⚠️ 支付宝需要设置 `Scheme` 和 iOS添加原生代码，才能支持验证[回弹商家APP](#支付宝返回应用-ios-设置)的功能
 - ⚠️ 支付宝 `管理中心-支付宝开放平台` 需要签约 [`APP支付宝登录`](https://opendocs.alipay.com/open/200/105310#%E6%B7%BB%E5%8A%A0%E5%BA%94%E7%94%A8%E5%8A%9F%E8%83%BD)
@@ -80,10 +92,15 @@ import Alipay from 'react-native-uiwjs-alipay';
 // 设置 支付宝 URL Schemes，要表述他是宇宙唯一性，可以使用 `bundle Identifier`
 // scheme = `alipay` + `APPID`，`APPID` 为支付宝分配给开发者的应用ID
 Alipay.setAlipayScheme(scheme);
-// 支付宝端支付
-// authInfoStr 是后台拼接好的验证参数
-// 如：apiname=com.alipay.account.auth&app_id=xxxxx&app_name=mc&auth_type=AUTHACCOUNT&biz_type=openservice&method=alipay.open.auth.sdk.code.get&pid=xxxxx&product_id=APP_FAST_LOGIN&scope=kuaijie&sign_type=RSA2&target_id=20141225xxxx&sign=fMcp4GtiM6rxSIeFnJCVePJKV43eXrUP86CQgiLhDHH2u%2FdN75eEvmywc2ulkm7qKRetkU9fbVZtJIqFdMJcJ9Yp%2BJI%2FF%2FpESafFR6rB2fRjiQQLGXvxmDGVMjPSxHxVtIqpZy5FDoKUSjQ2%2FILDKpu3%2F%2BtAtm2jRw1rUoMhgt0%3D
-Alipay.authInfo(authInfoStr, (res)=> console.log(res))
+
+async function authInfo() {
+  // 支付宝端授权验证
+  // authInfoStr 是后台拼接好的验证参数
+  const authInfoStr = 'app_name=mc&auth_type=AUTHACCOUNT&apiname=com.alipay.account.auth&biz_type=openservice&product_id=APP_FAST_LOGIN&scope=kuaijie&pid=2088421915791034&target_id=15946456110003465&app_id=2021001172656340&sign_type=RSA2&sign=keluG28qbbLwAcSDI4VmCNOGHJoF3xgpVeqXu1nCBCYo%2FlYYGe00fTfV9L4G73Sk7%2B4IwK%2BZV8IL%2F04cVtk6SR74lKAR3rYOoUdQ09ZrZFuQoUkO0vekajhp75IDQIg6PedCyY0SjFTqrHlH%2FImscBwitxrlSc9YbN7uW0gY34K8t7v8NhDoqzKJeoIz43UxF5U1DpUA1ISBVxwO7du1t6rYltsRhReayPS3hnvmwYSKQZUEgBvJ%2BT2XdyCaz%2FdGV907lYagPp1Oxkoaj%2FvW5NjNsRnid7vH944CoFj9XtBK%2FNTk2tBPTHFxYRQTEG1PkgkBohGpAWOFGGOuapH0ag%3D%3D';
+  const resule = await Alipay.authInfo(authInfoStr);
+  // resule => success=true&auth_code=9c11732de44f4f1790b63978b6fbOX53&result_code=200&alipay_open_id=20881001757376426161095132517425&user_id=2088003646494707
+  console.log('authInfo:resule-->>>', resule);
+}
 ```
 
 授权返回结果，支付宝[返回结果参数说明](https://github.com/uiwjs/react-native-uiwjs-alipay/blob/4c89c4e0e623e5073e4dc84a86978b1c5da18704/index.d.ts#L89-L113)：
diff --git a/android/src/main/java/com/uiwjs/AlipayModule.java b/android/src/main/java/com/uiwjs/AlipayModule.java
index 2c5ae43..f50b14a 100644
--- a/android/src/main/java/com/uiwjs/AlipayModule.java
+++ b/android/src/main/java/com/uiwjs/AlipayModule.java
@@ -35,14 +35,14 @@ public class AlipayModule extends ReactContextBaseJavaModule {
     // }
 
     @ReactMethod
-    public void authInfo(final String infoStr, final Callback promise) {
+    public void authInfo(final String infoStr, final Promise promise) {
         Runnable runnable = new Runnable() {
-        @Override
-        public void run() {
-            AuthTask alipay = new AuthTask(getCurrentActivity());
-            Map<String, String> map = alipay.authV2(infoStr, true);
-            promise.invoke(getWritableMap(map));
-        }
+            @Override
+            public void run() {
+                AuthTask authTask = new AuthTask(getCurrentActivity());
+                Map<String, String> map = authTask.authV2(infoStr, true);
+                promise.resolve(getWritableMap(map));
+            }
         };
         Thread thread = new Thread(runnable);
         thread.start();
@@ -57,13 +57,13 @@ public class AlipayModule extends ReactContextBaseJavaModule {
         }
     }
     @ReactMethod
-    public void alipay(final String orderInfo, final Callback promise) {
+    public void alipay(final String orderInfo, final Promise promise) {
         Runnable payRunnable = new Runnable() {
             @Override
             public void run() {
                 PayTask alipay = new PayTask(getCurrentActivity());
                 Map<String, String> result = alipay.payV2(orderInfo, true);
-                promise.invoke(getWritableMap(result));
+                promise.resolve(getWritableMap(result));
             }
         };
         // 必须异步调用
@@ -74,7 +74,7 @@ public class AlipayModule extends ReactContextBaseJavaModule {
     private WritableMap getWritableMap(Map<String, String> map) {
         WritableMap writableMap = Arguments.createMap();
         for (Map.Entry<String, String> entry : map.entrySet()) {
-        writableMap.putString(entry.getKey(), entry.getValue());
+            writableMap.putString(entry.getKey(), entry.getValue());
         }
         return writableMap;
     }
diff --git a/example/App.js b/example/App.js
index 317de71..f830055 100644
--- a/example/App.js
+++ b/example/App.js
@@ -6,19 +6,17 @@ export default class App extends Component {
   componentDidMount() {
     Alipay.setAlipayScheme('uiwjspay');
   }
-  aliPay = () => {
+  aliPay = async () => {
     // return_url=
     const payInfo = 'alipay_sdk=alipay-sdk-java-dynamicVersionNo&app_id=2021001172656340&biz_content=%7B%22out_trade_no%22%3A%221111112222222%22%2C%22total_amount%22%3A%220.01%22%2C%22subject%22%3A%221234%22%2C%22product_code%22%3A%22QUICK_MSECURITY_PAY%22%7D&charset=UTF-8&format=json&method=alipay.trade.app.pay&notify_url=http%3A%2F%2Fane.boshu.ltd%2Fowner%2Fpay%2Fapi%2FownerPay%2Fcallback&sign=oUQmGtkv8mrhJ0YwHl9%2FfxMcoLACWuSFKiMTC4Id8nc%2FZVvDQ6MLQq5hhtEN03Qn1%2BAtzTAaofE8nNixdroxOek2l5YtOAcYcXVYlJIyogN%2B22erN2NpDTWJ7tQTKgYFDJLRiG0DZJaxfADhUUF6UR9kdA8omoXKLDlP17ZPUs5Jr4aKv5HJtH5C53ui7PbmyWYg934L4UDC2F%2F9pPQlRwwDeE1SAaV3HW9Dt83kK52o8%2FlChXdotbFdAvH0d4qYGhpEYU5sepj9xiOMyL9aC4pMXW9INYLLGbvtqtlRchZTAfH5yji6nqqQm9KKMmcVrWdBDLyjFVNpejq1UjbJBw%3D%3D&sign_type=RSA2&timestamp=2020-07-09+12%3A16%3A16&version=1.0';
-    Alipay.alipay(payInfo, (resule) => {
-      console.log('alipay:resule-->>>', resule)
-    });
+    const resule = await Alipay.alipay(payInfo);
+    console.log('alipay:resule-->>>', resule);
   }
-  authInfo = () => {
+  authInfo = async () => {
     const authInfoStr = 'app_name=mc&auth_type=AUTHACCOUNT&apiname=com.alipay.account.auth&biz_type=openservice&product_id=APP_FAST_LOGIN&scope=kuaijie&pid=2088421915791034&target_id=15946456110003465&app_id=2021001172656340&sign_type=RSA2&sign=keluG28qbbLwAcSDI4VmCNOGHJoF3xgpVeqXu1nCBCYo%2FlYYGe00fTfV9L4G73Sk7%2B4IwK%2BZV8IL%2F04cVtk6SR74lKAR3rYOoUdQ09ZrZFuQoUkO0vekajhp75IDQIg6PedCyY0SjFTqrHlH%2FImscBwitxrlSc9YbN7uW0gY34K8t7v8NhDoqzKJeoIz43UxF5U1DpUA1ISBVxwO7du1t6rYltsRhReayPS3hnvmwYSKQZUEgBvJ%2BT2XdyCaz%2FdGV907lYagPp1Oxkoaj%2FvW5NjNsRnid7vH944CoFj9XtBK%2FNTk2tBPTHFxYRQTEG1PkgkBohGpAWOFGGOuapH0ag%3D%3D';
-    Alipay.authInfo(authInfoStr, (resule) => {
-      // resule => success=true&auth_code=9c11732de44f4f1790b63978b6fbOX53&result_code=200&alipay_open_id=20881001757376426161095132517425&user_id=2088003646494707
-      console.log('authInfo:resule-->>>', resule)
-    });
+    const resule = await Alipay.authInfo(authInfoStr);
+    // resule => success=true&auth_code=9c11732de44f4f1790b63978b6fbOX53&result_code=200&alipay_open_id=20881001757376426161095132517425&user_id=2088003646494707
+    console.log('authInfo:resule-->>>', resule);
   }
   render() {
     return (
diff --git a/index.d.ts b/index.d.ts
index 13cf029..a14cb68 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -117,15 +117,15 @@ export const Alipay: {
   /**
    * 支付
    * @param payInfo 支付详情
-   * @param result 支付宝回调结果
+   * @returns result 支付宝回调结果 https://docs.open.alipay.com/204/105301
    */
-  alipay: (payInfo: string, callback?: (result: OrderResult) => void) => void;
+  alipay: (payInfo: string) => Promise<OrderResult>;
   /**
    * 快速登录授权
    * @param authInfoStr 验证详情
-   * @param result 支付宝回调结果
+   * @returns result 支付宝回调结果 https://opendocs.alipay.com/open/218/105327
    */
-  authInfo: (authInfoStr: string, callback?: (result: AuthResult) => void) => void;
+  authInfo: (authInfoStr: string) => Promise<AuthResult>;
   /**
    * 设置支付宝跳转Scheme，仅 iOS
    * @param scheme scheme = `ap` + `APPID`
diff --git a/index.js b/index.js
index 5b446d8..68b7e1d 100644
--- a/index.js
+++ b/index.js
@@ -7,8 +7,8 @@ export default class Alipay {
    * @param orderInfo 支付详情
    * @param callback 支付宝回调结果  详情见 https://docs.open.alipay.com/204/105301
    */
-  static alipay(orderInfo, callback) {
-    NativeModules.Alipay.alipay(orderInfo, callback)
+  static alipay(orderInfo) {
+    return NativeModules.Alipay.alipay(orderInfo);
   }
 
   /**
@@ -16,8 +16,8 @@ export default class Alipay {
    * @param infoStr 授权请求信息字串
    * @param callback 授权结果回调  详情见 https://opendocs.alipay.com/open/218/105325
    */
-  static authInfo(infoStr, callback) {
-    NativeModules.Alipay.authInfo(infoStr, callback)
+  static authInfo(infoStr) {
+    return NativeModules.Alipay.authInfo(infoStr)
   }
 
   /**
diff --git a/ios/Alipay.m b/ios/Alipay.m
index 9315381..5303569 100644
--- a/ios/Alipay.m
+++ b/ios/Alipay.m
@@ -1,6 +1,12 @@
 #import "Alipay.h"
 #import <AlipaySDK/AlipaySDK.h>
 
+
+@interface Alipay ()
+@property (nonatomic, copy) RCTPromiseResolveBlock payOrderResolve;
+@end
+
+
 @implementation Alipay
 {
     NSString *alipayScheme;
@@ -28,16 +34,27 @@ RCT_EXPORT_MODULE()
     NSString * aURLString =  [aNotification userInfo][@"url"];
     NSURL * aURL = [NSURL URLWithString:aURLString];
     if ([aURL.host isEqualToString:@"safepay"]) {
-        // 支付跳转支付宝钱包进行支付，处理支付结果
+        __weak __typeof__(self) weakSelf = self;
+        /**
+         *  处理支付宝app支付后跳回商户app携带的支付结果Url
+         *
+         *  @param resultUrl        支付宝app返回的支付结果url
+         *  @param completionBlock  支付结果回调 为nil时默认使用支付接口的completionBlock
+         */
         [[AlipaySDK defaultService] processOrderWithPaymentResult:aURL standbyCallback:^(NSDictionary *resultDic) {
-            if (self->alipayCallBack != nil) {
-                self->alipayCallBack([[NSArray alloc] initWithObjects:resultDic, nil]);
-                self->alipayCallBack = nil;
+            NSLog(@"result-->1 = %@", resultDic);
+            if (weakSelf.payOrderResolve) {
+                weakSelf.payOrderResolve(resultDic);
+                weakSelf.payOrderResolve = nil;
             }
-            NSLog(@"result-->1 = %@",resultDic);
         }];
 
-        // 授权跳转支付宝钱包进行支付，处理支付结果
+        /**
+         *  处理支付宝app授权后跳回商户app携带的授权结果Url
+         *
+         *  @param aURL        支付宝app返回的授权结果url
+         *  @param completionBlock  授权结果回调,用于处理跳转支付宝授权过程中商户APP被系统终止的情况
+         */
         [[AlipaySDK defaultService] processAuth_V2Result:aURL standbyCallback:^(NSDictionary *resultDic) {
             NSLog(@"result-->2 = %@", resultDic);
             // 解析 auth code
@@ -52,9 +69,9 @@ RCT_EXPORT_MODULE()
                     }
                 }
                 // 返回结果回调
-                if (self->alipayCallBack != nil) {
-                    self->alipayCallBack([[NSArray alloc] initWithObjects:resultArr, nil]);
-                    self->alipayCallBack = nil;
+                if (weakSelf.payOrderResolve) {
+                    weakSelf.payOrderResolve([[NSArray alloc] initWithObjects:resultArr, nil]);
+                    weakSelf.payOrderResolve = nil;
                 }
             }
             NSLog(@"授权结果 authCode = %@", authCode?:@"");
@@ -67,24 +84,17 @@ RCT_EXPORT_METHOD(setAlipayScheme:(NSString *)scheme){
     alipayScheme = scheme;
 }
 
-RCT_EXPORT_METHOD(alipay:(NSString *)info callback:(RCTResponseSenderBlock)callback)
-{
-    alipayCallBack = callback;
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [[AlipaySDK defaultService] payOrder:info fromScheme: alipayScheme callback:^(NSDictionary *resultDic) {
-            callback([[NSArray alloc] initWithObjects:resultDic, nil]);
-        }];
-    });
+RCT_EXPORT_METHOD(alipay:(NSString *)info resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+    self.payOrderResolve = resolve;
+    [AlipaySDK.defaultService payOrder:info fromScheme: alipayScheme callback:^(NSDictionary *resultDic) {
+        resolve(resultDic);
+    }];
 }
 
-RCT_EXPORT_METHOD(authInfo:(NSString *)info callback:(RCTResponseSenderBlock)callback)
-{
-    alipayCallBack = callback;
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [[AlipaySDK defaultService] auth_V2WithInfo:info fromScheme:alipayScheme callback:^(NSDictionary *resultDic) {
-            callback([[NSArray alloc] initWithObjects:resultDic, nil]);
-        }];
-    });
+RCT_EXPORT_METHOD(authInfo:(NSString *)info resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) {
+    [AlipaySDK.defaultService auth_V2WithInfo:info fromScheme: alipayScheme callback:^(NSDictionary *resultDic) {
+        resolve(resultDic);
+    }];
 }
 
 /*!