diff --git a/lib/pages/login/controller.dart b/lib/pages/login/controller.dart
index 9930640b..b1cd4dd0 100644
--- a/lib/pages/login/controller.dart
+++ b/lib/pages/login/controller.dart
@@ -119,12 +119,12 @@ class LoginPageController extends GetxController
   }
 
   // 申请极验验证码
-  Future<void> getCaptcha(
+  void getCaptcha(
     String geeGt,
     String geeChallenge,
     VoidCallback onSuccess,
-  ) async {
-    void updateCaptchaData(Map<String, dynamic> json) {
+  ) {
+    void updateCaptchaData(Map json) {
       captchaData
         ..validate = json['geetest_validate']
         ..seccode = json['geetest_seccode']
@@ -132,106 +132,106 @@ class LoginPageController extends GetxController
           challenge: json['geetest_challenge'],
           gt: geeGt,
         );
+      SmartDialog.showToast('验证成功');
+      onSuccess();
     }
 
     if (Utils.isDesktop) {
-      final res = await Get.dialog<Map<String, dynamic>>(
+      Get.dialog<Map<String, dynamic>>(
         GeetestWebviewDialog(geeGt, geeChallenge),
+      ).then((res) {
+        if (res != null) {
+          updateCaptchaData(res);
+        }
+      });
+    } else {
+      var registerData = Gt3RegisterData(
+        challenge: geeChallenge,
+        gt: geeGt,
+        success: true,
       );
-      if (res != null) {
-        updateCaptchaData(res);
-        onSuccess();
-      }
-      return;
+
+      captcha
+        ..addEventHandler(
+          onShow: (Map<String, dynamic> message) {},
+          onClose: (Map<String, dynamic> message) {
+            SmartDialog.showToast('关闭验证');
+          },
+          onResult: (Map<String, dynamic> message) {
+            if (kDebugMode) debugPrint("Captcha result: $message");
+            final String code = message["code"];
+            if (code == "1") {
+              // 发送 message["result"] 中的数据向 B 端的业务服务接口进行查询
+              updateCaptchaData(message['result']);
+            } else {
+              // 终端用户完成验证失败，自动重试 If the verification fails, it will be automatically retried.
+              if (kDebugMode) debugPrint("Captcha result code : $code");
+            }
+          },
+          onError: (Map<String, dynamic> message) {
+            SmartDialog.showToast("Captcha onError: $message");
+            String code = message["code"];
+            // 处理验证中返回的错误 Handling errors returned in verification
+            if (Platform.isAndroid) {
+              // Android 平台
+              if (code == "-2") {
+                // Dart 调用异常 Call exception
+              } else if (code == "-1") {
+                // Gt3RegisterData 参数不合法 Parameter is invalid
+              } else if (code == "201") {
+                // 网络无法访问 Network inaccessible
+              } else if (code == "202") {
+                // Json 解析错误 Analysis error
+              } else if (code == "204") {
+                // WebView 加载超时，请检查是否混淆极验 SDK   Load timed out
+              } else if (code == "204_1") {
+                // WebView 加载前端页面错误，请查看日志 Error loading front-end page, please check the log
+              } else if (code == "204_2") {
+                // WebView 加载 SSLError
+              } else if (code == "206") {
+                // gettype 接口错误或返回为 null   API error or return null
+              } else if (code == "207") {
+                // getphp 接口错误或返回为 null    API error or return null
+              } else if (code == "208") {
+                // ajax 接口错误或返回为 null      API error or return null
+              } else {
+                // 更多错误码参考开发文档  More error codes refer to the development document
+                // https://docs.geetest.com/sensebot/apirefer/errorcode/android
+              }
+            }
+
+            if (Platform.isIOS) {
+              // iOS 平台
+              if (code == "-1009") {
+                // 网络无法访问 Network inaccessible
+              } else if (code == "-1004") {
+                // 无法查找到 HOST  Unable to find HOST
+              } else if (code == "-1002") {
+                // 非法的 URL  Illegal URL
+              } else if (code == "-1001") {
+                // 网络超时 Network timeout
+              } else if (code == "-999") {
+                // 请求被意外中断, 一般由用户进行取消操作导致 The interrupted request was usually caused by the user cancelling the operation
+              } else if (code == "-21") {
+                // 使用了重复的 challenge   Duplicate challenges are used
+                // 检查获取 challenge 是否进行了缓存  Check if the fetch challenge is cached
+              } else if (code == "-20") {
+                // 尝试过多, 重新引导用户触发验证即可 Try too many times, lead the user to request verification again
+              } else if (code == "-10") {
+                // 预判断时被封禁, 不会再进行图形验证 Banned during pre-judgment, and no more image captcha verification
+              } else if (code == "-2") {
+                // Dart 调用异常 Call exception
+              } else if (code == "-1") {
+                // Gt3RegisterData 参数不合法  Parameter is invalid
+              } else {
+                // 更多错误码参考开发文档 More error codes refer to the development document
+                // https://docs.geetest.com/sensebot/apirefer/errorcode/ios
+              }
+            }
+          },
+        )
+        ..startCaptcha(registerData);
     }
-    var registerData = Gt3RegisterData(
-      challenge: geeChallenge,
-      gt: geeGt,
-      success: true,
-    );
-
-    captcha
-      ..addEventHandler(
-        onShow: (Map<String, dynamic> message) {},
-        onClose: (Map<String, dynamic> message) {
-          SmartDialog.showToast('关闭验证');
-        },
-        onResult: (Map<String, dynamic> message) {
-          if (kDebugMode) debugPrint("Captcha result: $message");
-          String code = message["code"];
-          if (code == "1") {
-            // 发送 message["result"] 中的数据向 B 端的业务服务接口进行查询
-            SmartDialog.showToast('验证成功');
-            updateCaptchaData(message['result']);
-            onSuccess();
-          } else {
-            // 终端用户完成验证失败，自动重试 If the verification fails, it will be automatically retried.
-            if (kDebugMode) debugPrint("Captcha result code : $code");
-          }
-        },
-        onError: (Map<String, dynamic> message) {
-          SmartDialog.showToast("Captcha onError: $message");
-          String code = message["code"];
-          // 处理验证中返回的错误 Handling errors returned in verification
-          if (Platform.isAndroid) {
-            // Android 平台
-            if (code == "-2") {
-              // Dart 调用异常 Call exception
-            } else if (code == "-1") {
-              // Gt3RegisterData 参数不合法 Parameter is invalid
-            } else if (code == "201") {
-              // 网络无法访问 Network inaccessible
-            } else if (code == "202") {
-              // Json 解析错误 Analysis error
-            } else if (code == "204") {
-              // WebView 加载超时，请检查是否混淆极验 SDK   Load timed out
-            } else if (code == "204_1") {
-              // WebView 加载前端页面错误，请查看日志 Error loading front-end page, please check the log
-            } else if (code == "204_2") {
-              // WebView 加载 SSLError
-            } else if (code == "206") {
-              // gettype 接口错误或返回为 null   API error or return null
-            } else if (code == "207") {
-              // getphp 接口错误或返回为 null    API error or return null
-            } else if (code == "208") {
-              // ajax 接口错误或返回为 null      API error or return null
-            } else {
-              // 更多错误码参考开发文档  More error codes refer to the development document
-              // https://docs.geetest.com/sensebot/apirefer/errorcode/android
-            }
-          }
-
-          if (Platform.isIOS) {
-            // iOS 平台
-            if (code == "-1009") {
-              // 网络无法访问 Network inaccessible
-            } else if (code == "-1004") {
-              // 无法查找到 HOST  Unable to find HOST
-            } else if (code == "-1002") {
-              // 非法的 URL  Illegal URL
-            } else if (code == "-1001") {
-              // 网络超时 Network timeout
-            } else if (code == "-999") {
-              // 请求被意外中断, 一般由用户进行取消操作导致 The interrupted request was usually caused by the user cancelling the operation
-            } else if (code == "-21") {
-              // 使用了重复的 challenge   Duplicate challenges are used
-              // 检查获取 challenge 是否进行了缓存  Check if the fetch challenge is cached
-            } else if (code == "-20") {
-              // 尝试过多, 重新引导用户触发验证即可 Try too many times, lead the user to request verification again
-            } else if (code == "-10") {
-              // 预判断时被封禁, 不会再进行图形验证 Banned during pre-judgment, and no more image captcha verification
-            } else if (code == "-2") {
-              // Dart 调用异常 Call exception
-            } else if (code == "-1") {
-              // Gt3RegisterData 参数不合法  Parameter is invalid
-            } else {
-              // 更多错误码参考开发文档 More error codes refer to the development document
-              // https://docs.geetest.com/sensebot/apirefer/errorcode/ios
-            }
-          }
-        },
-      )
-      ..startCaptcha(registerData);
   }
 
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