diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
index f982a5fa..6b560507 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysLoginController.java
@@ -1,6 +1,8 @@
 package com.ruoyi.web.controller.system;
 
 import cn.dev33.satoken.annotation.SaIgnore;
+import com.ruoyi.cai.enums.SystemConfigEnum;
+import com.ruoyi.cai.manager.SystemConfigManager;
 import com.ruoyi.common.constant.Constants;
 import com.ruoyi.common.core.domain.R;
 import com.ruoyi.common.core.domain.entity.SysMenu;
@@ -15,6 +17,7 @@ import com.ruoyi.system.service.ISysMenuService;
 import com.ruoyi.system.service.ISysUserService;
 import com.ruoyi.system.service.SysLoginService;
 import lombok.RequiredArgsConstructor;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -114,6 +117,9 @@ public class SysLoginController {
         return R.ok("退出成功");
     }
 
+    @Autowired
+    private SystemConfigManager systemConfigManager;
+
     /**
      * 获取用户信息
      *
@@ -127,6 +133,8 @@ public class SysLoginController {
         ajax.put("user", user);
         ajax.put("roles", loginUser.getRolePermission());
         ajax.put("permissions", loginUser.getMenuPermission());
+        String cosDomain = systemConfigManager.getSystemConfig(SystemConfigEnum.COS_DOMAIN);
+        ajax.put("filePrefix", cosDomain);
         return R.ok(ajax);
     }