diff --git a/backend/src/main/java/com/stdproject/config/WebConfig.java b/backend/src/main/java/com/stdproject/config/WebConfig.java
index 50b6d7a..e26735b 100644
--- a/backend/src/main/java/com/stdproject/config/WebConfig.java
+++ b/backend/src/main/java/com/stdproject/config/WebConfig.java
@@ -27,12 +27,7 @@ public class WebConfig implements WebMvcConfigurer {
         // 创建定时缓存，缓存时间与JWT过期时间一致
         return CacheUtil.newTimedCache(jwtExpirationMs);
     }
-
-    @Bean
-    public Cache<String, String> loginuserCache() {
-        return CacheUtil.newLRUCache(200);//用户登录缓存数 缺省200
-    }
-    /**
+   /**
      * 静态资源处理
      */
     @Override
diff --git a/backend/src/main/java/com/stdproject/controller/OrganizationController.java b/backend/src/main/java/com/stdproject/controller/OrganizationController.java
index 23763c6..e0ae317 100644
--- a/backend/src/main/java/com/stdproject/controller/OrganizationController.java
+++ b/backend/src/main/java/com/stdproject/controller/OrganizationController.java
@@ -64,10 +64,6 @@ public class OrganizationController {
         if (StrUtil.isEmpty(organization.getId())) {
             return ResponseResult.error("组织信息id不能为空");
         }
-
-        if (organization == null) {
-            return ResponseResult.error("组织信息不能为空");
-        }
         //填写 最近修改者
         organization.setLastmodifier(AuthUtils.getUsername());
         //填写 最近修改时间
diff --git a/backend/src/main/java/com/stdproject/controller/UserController.java b/backend/src/main/java/com/stdproject/controller/UserController.java
index effd15b..5d03a58 100644
--- a/backend/src/main/java/com/stdproject/controller/UserController.java
+++ b/backend/src/main/java/com/stdproject/controller/UserController.java
@@ -222,6 +222,7 @@ private Long jwtExpirationMs;
             String userId = loginUser.getUser().getId();
             long expireTime = System.currentTimeMillis() + jwtExpirationMs;
             Map<String, Object> map = new HashMap();
+            map.put("appid", loginUser.getUser().getAppId());
             map.put("userid", userId);
             map.put("username", loginUser.getUsername());
             map.put("nickname", loginUser.getUser().getNickname());
@@ -229,9 +230,6 @@ private Long jwtExpirationMs;
             String token = jwtUtils.generateToken(loginUser.getUsername(), userId);
             map.put("token", token);
             map.put("permissions", loginUser.getPermissions());
-            //把完整的用户信息存入到HuTool缓存中，userId作为key
-            String jsonStr = JSONUtil.toJsonStr(loginUser);
-            webConfig.loginuserCache().put("login:" + userId, jsonStr);
             return ResponseResult.successData(map);
         }
         catch (BadCredentialsException e) {
@@ -262,10 +260,7 @@ private Long jwtExpirationMs;
         UsernamePasswordAuthenticationToken authentication =
                 (UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
         LoginUser loginuser = (LoginUser) authentication.getPrincipal();
-        String userId = loginuser.getUser().getId();
-        //删除redis中的登陆用户信息
-        webConfig.loginuserCache().remove("login:" + userId);
-        //记录退出日志
+         //记录退出日志
         ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
         HttpServletRequest request = attributes.getRequest();
         AppOptLog sysLog = new AppOptLog();
diff --git a/backend/src/main/java/com/stdproject/utils/AuthUtils.java b/backend/src/main/java/com/stdproject/utils/AuthUtils.java
new file mode 100644
index 0000000..1eaa239
--- /dev/null
+++ b/backend/src/main/java/com/stdproject/utils/AuthUtils.java
@@ -0,0 +1,69 @@
+package com.stdproject.utils;
+
+import com.stdproject.entity.LoginUser;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.core.userdetails.UserDetails;
+
+/**
+ * 认证工具类
+ * 用于获取当前登录用户信息
+ *
+ * @author system
+ * @since 2025-01-27
+ */
+public class AuthUtils {
+
+    /**
+     * 获取当前登录用户
+     *
+     * @return LoginUser 当前登录用户信息
+     */
+    public static LoginUser getUser() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        if (authentication != null && authentication.getPrincipal() instanceof UserDetails) {
+            return (LoginUser) authentication.getPrincipal();
+        }
+        return null;
+    }
+    /**
+     * 获取当前登录用户名
+     *
+     * @return String 用户名
+     */
+    public static String getUsername() {
+        LoginUser user = getUser();
+        return user != null ? user.getUsername() : null;
+    }
+
+    /**
+     * 获取当前登录用户昵称
+     *
+     * @return String 用户昵称
+     */
+    public static String getNickname() {
+        LoginUser user = getUser();
+        return user != null ? user.geNickname() : null;
+    }
+
+    /**
+     * 获取当前登录用户ID
+     *
+     * @return Long 用户ID
+     */
+    public static String getUserId() {
+        LoginUser user = getUser();
+        return user != null && user.getUser() != null ? user.getUser().getId() : null;
+    }
+
+    /**
+     * 检查是否已登录
+     *
+     * @return boolean 是否已登录
+     */
+    public static boolean isAuthenticated() {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        return authentication != null && authentication.isAuthenticated() 
+                && authentication.getPrincipal() instanceof UserDetails;
+    }
+}
\ No newline at end of file