diff --git a/src/main/java/com/ai/da/common/config/exception/BusinessException.java b/src/main/java/com/ai/da/common/config/exception/BusinessException.java
index c2b2488a..35774162 100644
--- a/src/main/java/com/ai/da/common/config/exception/BusinessException.java
+++ b/src/main/java/com/ai/da/common/config/exception/BusinessException.java
@@ -2,6 +2,7 @@ package com.ai.da.common.config.exception;
 
 import com.ai.da.common.context.UserContext;
 import com.ai.da.common.response.ResultEnum;
+import com.ai.da.model.enums.Language;
 import com.ai.da.model.vo.AuthPrincipalVo;
 import lombok.Data;
 
@@ -49,7 +50,7 @@ public class BusinessException extends RuntimeException {
         if (Objects.isNull(userInfo)) {
             return new Locale("en");
         }
-        return new Locale(userInfo.getLanguage());
+        return new Locale(Language.valueOf(userInfo.getLanguage()).getValue());
     }
 
     private static String getMessageFromResource(String msg, Locale userLocale) {
diff --git a/src/main/java/com/ai/da/controller/AccountController.java b/src/main/java/com/ai/da/controller/AccountController.java
index 3be6f691..07563ffe 100644
--- a/src/main/java/com/ai/da/controller/AccountController.java
+++ b/src/main/java/com/ai/da/controller/AccountController.java
@@ -70,8 +70,14 @@ public class AccountController {
 
     @ApiOperation(value = "获取当前用户语言")
     @PostMapping("/getUserLanguage")
-    public Response<String> getUserLanguage() {
+    public Response<Language> getUserLanguage() {
         return Response.success(accountService.getUserLanguage());
     }
 
+    @ApiOperation(value = "获取当前用户语言")
+    @PostMapping("/changeUserLanguage")
+    public Response<String> changeUserLanguage(String language) {
+        return Response.success(accountService.changeUserLanguage(language));
+    }
+
 }
diff --git a/src/main/java/com/ai/da/service/AccountService.java b/src/main/java/com/ai/da/service/AccountService.java
index e522617f..693ce085 100644
--- a/src/main/java/com/ai/da/service/AccountService.java
+++ b/src/main/java/com/ai/da/service/AccountService.java
@@ -91,5 +91,7 @@ public interface AccountService extends IService<Account> {
      */
     Boolean editUser(AccountEditDTO accountEditDTO);
 
-    String getUserLanguage();
+    Language getUserLanguage();
+
+    String changeUserLanguage(String language);
 }
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 1478ca14..27ef3440 100644
--- a/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/AccountServiceImpl.java
@@ -404,9 +404,18 @@ public class AccountServiceImpl extends ServiceImpl<AccountMapper, Account> impl
     }
 
     @Override
-    public String getUserLanguage() {
+    public Language getUserLanguage() {
         AuthPrincipalVo userInfo = UserContext.getUserHolder();
-//        Language language = Language.valueOf(userInfo.getLanguage());
-        return userInfo.getLanguage();
+        return Language.valueOf(userInfo.getLanguage());
+    }
+
+    @Override
+    public String changeUserLanguage(String language) {
+        AuthPrincipalVo userInfo = UserContext.getUserHolder();
+        Account account = accountMapper.selectById(userInfo.getId());
+        account.setLanguage(language);
+        accountMapper.updateById(account);
+        String accountToken = createAccountToken(account);
+        return accountToken;
     }
 }