diff --git a/alipay_kit/lib/src/alipay_kit_method_channel.dart b/alipay_kit/lib/src/alipay_kit_method_channel.dart
index 6c9bd82..b6033bc 100644
--- a/alipay_kit/lib/src/alipay_kit_method_channel.dart
+++ b/alipay_kit/lib/src/alipay_kit_method_channel.dart
@@ -50,12 +50,14 @@ class MethodChannelAlipayKit extends AlipayKitPlatform {
   Future<void> pay({
     required String orderInfo,
     bool isShowLoading = true,
+    bool sandbox = false /// 沙箱模式
   }) {
     return methodChannel.invokeMethod<void>(
       'pay',
       <String, dynamic>{
         'orderInfo': orderInfo,
         'isShowLoading': isShowLoading,
+        'sandbox': sandbox,
       },
     );
   }
diff --git a/alipay_kit/lib/src/alipay_kit_platform_interface.dart b/alipay_kit/lib/src/alipay_kit_platform_interface.dart
index d5faf51..0c27c59 100644
--- a/alipay_kit/lib/src/alipay_kit_platform_interface.dart
+++ b/alipay_kit/lib/src/alipay_kit_platform_interface.dart
@@ -47,6 +47,7 @@ abstract class AlipayKitPlatform extends PlatformInterface {
   Future<void> pay({
     required String orderInfo,
     bool isShowLoading = true,
+    bool sandbox = false /// 沙箱模式
   }) {
     throw UnimplementedError(
         'pay({required orderInfo, isShowLoading}) has not been implemented.');
@@ -55,9 +56,11 @@ abstract class AlipayKitPlatform extends PlatformInterface {
   /// 登录
   Future<void> auth({
     required String authInfo,
-    bool isShowLoading = true,
+    bool isShowLoading = true
   }) {
     throw UnimplementedError(
         'auth({required info, isShowLoading}) has not been implemented.');
   }
+
+
 }
diff --git a/alipay_kit_android/android/src/main/java/io/github/v7lin/alipay_kit/AlipayKitPlugin.java b/alipay_kit_android/android/src/main/java/io/github/v7lin/alipay_kit/AlipayKitPlugin.java
index c8217e5..7c51865 100644
--- a/alipay_kit_android/android/src/main/java/io/github/v7lin/alipay_kit/AlipayKitPlugin.java
+++ b/alipay_kit_android/android/src/main/java/io/github/v7lin/alipay_kit/AlipayKitPlugin.java
@@ -8,6 +8,7 @@
 
 import androidx.annotation.NonNull;
 
+import com.alipay.sdk.app.EnvUtils;
 import com.alipay.sdk.app.AuthTask;
 import com.alipay.sdk.app.PayTask;
 
@@ -88,14 +89,19 @@ public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
         } else if ("pay".equals(call.method)) {
             final String orderInfo = call.argument("orderInfo");
             final boolean isShowLoading = call.argument("isShowLoading");
+            final boolean sandbox = call.argument("sandbox");
             final WeakReference<Activity> activityRef = new WeakReference<>(activity);
             final WeakReference<MethodChannel> channelRef = new WeakReference<>(channel);
+
             //noinspection deprecation
             new AsyncTask<String, String, Map<String, String>>() {
                 @Override
                 protected Map<String, String> doInBackground(String... params) {
                     final Activity activity = activityRef.get();
                     if (activity != null && !activity.isFinishing()) {
+                        if(sandbox){
+                            EnvUtils.setEnv(EnvUtils.EnvEnum.SANDBOX);
+                        }
                         final PayTask task = new PayTask(activity);
                         return task.payV2(orderInfo, isShowLoading);
                     }