diff --git a/server/like-admin/src/main/java/com/mdd/admin/config/AdminConfig.java b/server/like-admin/src/main/java/com/mdd/admin/config/AdminConfig.java
index 794855a0..34676075 100644
--- a/server/like-admin/src/main/java/com/mdd/admin/config/AdminConfig.java
+++ b/server/like-admin/src/main/java/com/mdd/admin/config/AdminConfig.java
@@ -14,6 +14,9 @@ public class AdminConfig {
     // 令牌缓存键
     public static final String backstageTokenKey = "backstage:token:";
 
+    // 令牌的集合
+    public static final String backstageTokenSet = "backstage:token:set:";
+
     // 免登录验证
     public static String[] notLoginUri = new String[]{
             "system:login",         // 登录接口
diff --git a/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemAuthDeptServiceImpl.java b/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemAuthDeptServiceImpl.java
index 744b4338..69ea5232 100644
--- a/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemAuthDeptServiceImpl.java
+++ b/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemAuthDeptServiceImpl.java
@@ -44,7 +44,7 @@ class SystemAuthDeptServiceImpl implements ISystemAuthDeptService {
         List<SystemAuthDept> systemAuthDeptList = systemAuthDeptMapper.selectList(new QueryWrapper<SystemAuthDept>()
                 .gt("pid", 0)
                 .eq("is_delete", 0)
-                .orderByDesc((Arrays.asList("id", "sort"))));
+                .orderByDesc((Arrays.asList("sort", "id"))));
 
         List<SystemAuthDeptVo> adminVoArrayList = new ArrayList<>();
         for (SystemAuthDept systemAuthDept : systemAuthDeptList) {
@@ -73,7 +73,7 @@ class SystemAuthDeptServiceImpl implements ISystemAuthDeptService {
         queryWrapper.orderByAsc(Arrays.asList("sort", "id"));
         queryWrapper.select(SystemAuthDept.class, info ->
                 !info.getColumn().equals("is_delete") &&
-                        !info.getColumn().equals("delete_time"));
+                !info.getColumn().equals("delete_time"));
 
         systemAuthDeptMapper.setSearch(queryWrapper, params, new String[]{
                 "like:name:str",
diff --git a/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemLoginServiceImpl.java b/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemLoginServiceImpl.java
index eb24fbf0..98db95e4 100644
--- a/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemLoginServiceImpl.java
+++ b/server/like-admin/src/main/java/com/mdd/admin/service/system/impl/SystemLoginServiceImpl.java
@@ -19,9 +19,7 @@ import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletRequest;
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 
 /**
  * 系统登录服务实现类
@@ -76,8 +74,18 @@ public class SystemLoginServiceImpl implements ISystemLoginService {
             sysAdmin.setLastLoginTime(System.currentTimeMillis() / 1000);
             systemAuthAdminMapper.updateById(sysAdmin);
 
-            // 缓存登录信息
+            // 非多处登录
             String token = ToolsUtil.makeToken();
+            if (sysAdmin.getIsMultipoint() == 0) {
+                Set<Object> ts = RedisUtil.sGet(AdminConfig.backstageTokenSet + sysAdmin.getId());
+                for (Object t: ts) {
+                    RedisUtil.del(t.toString());
+                }
+                RedisUtil.del(AdminConfig.backstageTokenSet + sysAdmin.getId());
+                RedisUtil.sSet(AdminConfig.backstageTokenSet + sysAdmin.getId(), token);
+            }
+
+            // 缓存登录信息
             RedisUtil.set(AdminConfig.backstageTokenKey+token, sysAdmin.getId(), 7200);
             iSystemAuthAdminService.cacheAdminUserByUid(sysAdmin.getId());
 
diff --git a/server/like-common/src/main/java/com/mdd/common/utils/RedisUtil.java b/server/like-common/src/main/java/com/mdd/common/utils/RedisUtil.java
index 2ff243cc..cdc642dc 100644
--- a/server/like-common/src/main/java/com/mdd/common/utils/RedisUtil.java
+++ b/server/like-common/src/main/java/com/mdd/common/utils/RedisUtil.java
@@ -1,15 +1,16 @@
 package com.mdd.common.utils;
 
 import com.mdd.common.config.GlobalConfig;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.core.Cursor;
 import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.ScanOptions;
+import org.springframework.data.redis.serializer.RedisSerializer;
 import org.springframework.stereotype.Component;
 import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
-import java.util.Collection;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
 
 @Component
@@ -180,6 +181,34 @@ public class RedisUtil {
 
     /* ***************** common end *************** */
 
+    /**
+     * 按匹配获取或有KEY
+     *
+     * @author fzr
+     * @param pattern 规则
+     * @return Set<String>
+     */
+    public static Set<String> matchSet(String pattern) {
+        Set<String> keys = new LinkedHashSet<>();
+        RedisUtil.handler().execute((RedisConnection connection) -> {
+            try (Cursor<byte[]> cursor = connection.scan(
+                    ScanOptions.scanOptions()
+                            .count(Long.MAX_VALUE)
+                            .match(pattern)
+                            .build()
+            )) {
+                cursor.forEachRemaining(item -> {
+                    keys.add(RedisSerializer.string().deserialize(item));
+                });
+                return null;
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        });
+
+        return keys;
+    }
+
     /**
      * 获取key的值
      *
@@ -341,7 +370,6 @@ public class RedisUtil {
      * @param key 键
      * @param item 项
      * @param value 值
-     * @return true 成功 false失败
      */
     public static void hSet(String key, String item, Object value) {
         key = redisPrefix + key;
@@ -455,7 +483,7 @@ public class RedisUtil {
      * @param values 值 可以是多个
      * @return 成功个数
      */
-    public Long sSet(String key, Object... values) {
+    public static Long sSet(String key, Object... values) {
         key = redisPrefix + key;
         return redisTemplate.opsForSet().add(key, values);
     }