diff --git a/src/main/java/com/ai/da/controller/AccountController.java b/src/main/java/com/ai/da/controller/AccountController.java
index 7a4f4d84..5832bc80 100644
--- a/src/main/java/com/ai/da/controller/AccountController.java
+++ b/src/main/java/com/ai/da/controller/AccountController.java
@@ -9,6 +9,7 @@ import com.ai.da.mapper.primary.entity.TrialOrder;
 import com.ai.da.model.dto.*;
 import com.ai.da.model.vo.AccountLoginVO;
 import com.ai.da.model.vo.AccountPreLoginVO;
+import com.ai.da.model.vo.BindEmailVO;
 import com.ai.da.model.vo.PersonalHomepageVO;
 import com.ai.da.service.AccountService;
 import io.swagger.annotations.Api;
@@ -326,7 +327,7 @@ public class AccountController {
 
     @GetMapping("/bindEmail")
     @ApiOperation(value = "绑定邮箱")
-    public Response<Boolean> bindEmail(@RequestParam("email") String email) {
+    public Response<BindEmailVO> bindEmail(@RequestParam("email") String email) {
         return Response.success(accountService.bindEmail(email));
     }
 
diff --git a/src/main/java/com/ai/da/model/vo/BindEmailVO.java b/src/main/java/com/ai/da/model/vo/BindEmailVO.java
new file mode 100644
index 00000000..e2d0509b
--- /dev/null
+++ b/src/main/java/com/ai/da/model/vo/BindEmailVO.java
@@ -0,0 +1,9 @@
+package com.ai.da.model.vo;
+
+import lombok.Data;
+
+@Data
+public class BindEmailVO {
+
+    private String token;
+}
diff --git a/src/main/java/com/ai/da/service/AccountService.java b/src/main/java/com/ai/da/service/AccountService.java
index 972458a4..ee4d92c8 100644
--- a/src/main/java/com/ai/da/service/AccountService.java
+++ b/src/main/java/com/ai/da/service/AccountService.java
@@ -7,6 +7,7 @@ import com.ai.da.mapper.primary.entity.TrialOrder;
 import com.ai.da.model.dto.*;
 import com.ai.da.model.vo.AccountLoginVO;
 import com.ai.da.model.vo.AccountPreLoginVO;
+import com.ai.da.model.vo.BindEmailVO;
 import com.ai.da.model.vo.PersonalHomepageVO;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
@@ -49,7 +50,7 @@ public interface AccountService extends IService<Account> {
      */
     Boolean bindEmail(AccountBindEmailDTO accountBindEmailDTO);
 
-    Boolean bindEmail(String email);
+    BindEmailVO bindEmail(String email);
 
     /**
      * 忘记密码
diff --git a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
index 889d969f..efca739f 100644
--- a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
@@ -413,7 +413,14 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
                 qw.lambda().eq(Account::getUserEmail, emailSendDTO.getEmail());
                 List<Account> accounts = accountMapper.selectList(qw);
                 if (CollectionUtil.isNotEmpty(accounts)) {
-                    throw new BusinessException("This email has been bound");
+                    Account account = accounts.get(0);
+                    QueryWrapper<AccountExtend> accountExtendQW = new QueryWrapper<>();
+                    accountExtendQW.lambda().eq(AccountExtend::getAccountId, account.getId());
+                    accountExtendQW.lambda().eq(AccountExtend::getAuth, "WeChat");
+                    List<AccountExtend> accountExtends = accountExtendMapper.selectList(accountExtendQW);
+                    if (CollectionUtil.isNotEmpty(accountExtends)) {
+                        throw new BusinessException("This email account has already been linked to another WeChat account.");
+                    }
                 }
                 result = SendEmailUtil.send(emailSendDTO.getEmail(), null,
                         SendEmailUtil.BIND_MAILBOX_TEMPLATE_ID, randomVerifyCode);
@@ -2562,6 +2569,7 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
     }
 
     @Override
+    @Transactional
     public AccountExtend bindWeChat(String code) {
         // 1. 获取 access_token 和 openid
         JSONObject accessTokenResponse = getAccessTokenFromWeChat(code);
@@ -2588,7 +2596,14 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
         List<AccountExtend> accountExtends = accountExtendMapper.selectList(qw);
 
         if (CollectionUtil.isNotEmpty(accountExtends)) {
-            throw new BusinessException("The WeChat has been bound.");
+            AccountExtend accountExtend = accountExtends.get(0);
+            AuthPrincipalVo authPrincipalVo = UserContext.getUserHolder();
+
+            accountMapper.deleteById(accountExtend.getAccountId());
+
+            accountExtend.setAccountId(authPrincipalVo.getId());
+            accountExtendMapper.updateById(accountExtend);
+            return accountExtend;
         }
 
         AccountExtend accountExtendInsert = new AccountExtend();
@@ -2625,12 +2640,40 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
     }
 
     @Override
-    public Boolean bindEmail(String email) {
+    @Transactional
+    public BindEmailVO bindEmail(String email) {
         AuthPrincipalVo userHolder = UserContext.getUserHolder();
+
+        BindEmailVO result = new BindEmailVO();
+
+        QueryWrapper<Account> qw = new QueryWrapper<>();
+        qw.lambda().eq(Account::getUserEmail, email);
+        List<Account> accounts = accountMapper.selectList(qw);
+        if (CollectionUtil.isNotEmpty(accounts)) {
+            Account account = accounts.get(0);
+
+            QueryWrapper<AccountExtend> accountExtendQW = new QueryWrapper<>();
+            accountExtendQW.lambda().eq(AccountExtend::getAccountId, userHolder.getId());
+            accountExtendQW.lambda().eq(AccountExtend::getAuthType, "Wechat");
+            AccountExtend accountExtend = accountExtendMapper.selectOne(accountExtendQW);
+            accountExtend.setAccountId(account.getId());
+            accountExtendMapper.updateById(accountExtend);
+
+            accountMapper.deleteById(userHolder.getId());
+
+            String token = LocalCacheUtils.getTokenCache(String.valueOf(account.getId()));
+            if (StringUtils.isNotBlank(token)) {
+                //用户已登入
+                result.setToken(token);
+            } else {
+                result.setToken(createAccountToken(account));
+            }
+            return result;
+        }
         Account account = accountMapper.selectById(userHolder.getId());
         account.setUserEmail(email);
         accountMapper.updateById(account);
-        return Boolean.TRUE;
+        return result;
     }
 
     public void updateAccountValidity(Long accountId, Long currentPeriodEnd){