diff --git a/dl_admin/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java b/dl_admin/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
index a442863..d9e97f4 100644
--- a/dl_admin/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
+++ b/dl_admin/ruoyi-admin/src/main/java/com/ruoyi/web/controller/monitor/SysUserOnlineController.java
@@ -4,6 +4,8 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
+
+import com.ruoyi.framework.web.service.TokenService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.DeleteMapping;
@@ -38,6 +40,9 @@ public class SysUserOnlineController extends BaseController
     @Autowired
     private RedisCache redisCache;
 
+    @Autowired
+    private TokenService tokenService;
+
     @PreAuthorize("@ss.hasPermi('monitor:online:list')")
     @GetMapping("/list")
     public TableDataInfo list(String ipaddr, String userName)
@@ -77,7 +82,7 @@ public class SysUserOnlineController extends BaseController
     @DeleteMapping("/{tokenId}")
     public AjaxResult forceLogout(@PathVariable String tokenId)
     {
-        redisCache.deleteObject(CacheConstants.LOGIN_TOKEN_KEY + tokenId);
+        tokenService.forceLogout(tokenId);
         return success();
     }
 }
diff --git a/dl_admin/ruoyi-admin/src/main/resources/application.yml b/dl_admin/ruoyi-admin/src/main/resources/application.yml
index 4e0f832..2797699 100644
--- a/dl_admin/ruoyi-admin/src/main/resources/application.yml
+++ b/dl_admin/ruoyi-admin/src/main/resources/application.yml
@@ -156,6 +156,8 @@ aliyun:
 
 # 登录相关配置
 login:
+  # 登录缓存
+  cache-enable: true
   # 是否限制单用户登录
   single: true
 
diff --git a/dl_admin/ruoyi-common/src/main/java/com/ruoyi/common/constant/CacheConstants.java b/dl_admin/ruoyi-common/src/main/java/com/ruoyi/common/constant/CacheConstants.java
index 0080343..3dbe493 100644
--- a/dl_admin/ruoyi-common/src/main/java/com/ruoyi/common/constant/CacheConstants.java
+++ b/dl_admin/ruoyi-common/src/main/java/com/ruoyi/common/constant/CacheConstants.java
@@ -12,6 +12,11 @@ public class CacheConstants
      */
     public static final String LOGIN_TOKEN_KEY = "login_tokens:";
 
+    /**
+     * 登录用户id redis key 用于实现灵活控制多设备登录
+     */
+    public static final String LOGIN_USER_ID_KEY = "login_user_ids:";
+
     /**
      * 验证码 redis key
      */
diff --git a/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java b/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
index 2f89a91..61b8630 100644
--- a/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
+++ b/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
@@ -44,7 +44,7 @@ public class LogoutSuccessHandlerImpl implements LogoutSuccessHandler
         {
             String userName = loginUser.getUsername();
             // 删除用户缓存记录
-            tokenService.delLoginUser(loginUser.getToken());
+            tokenService.delLoginUser(loginUser.getToken(), loginUser.getUserId());
             // 记录用户退出日志
             AsyncManager.me().execute(AsyncFactory.recordLogininfor(userName, Constants.LOGOUT, MessageUtils.message("user.logout.success")));
         }
diff --git a/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java b/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
index 588d69d..99ed374 100644
--- a/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
+++ b/dl_admin/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
@@ -45,6 +45,9 @@ public class TokenService
     @Value("${token.expireTime}")
     private int expireTime;
 
+    @Value("${login.single}")
+    private boolean isSingle;
+
     protected static final long MILLIS_SECOND = 1000;
 
     protected static final long MILLIS_MINUTE = 60 * MILLIS_SECOND;
@@ -96,15 +99,36 @@ public class TokenService
     /**
      * 删除用户身份信息
      */
-    public void delLoginUser(String token)
+    public void delLoginUser(String token, Long userId)
     {
-        if (StringUtils.isNotEmpty(token))
-        {
+        if (StringUtils.isNotEmpty(token)) {
             String userKey = getTokenKey(token);
             redisCache.deleteObject(userKey);
         }
+        if (userId != null) {
+            String userIdKey = getUserKey(userId);
+            redisCache.deleteObject(userIdKey);
+        }
+
     }
 
+    /**
+     * 强制退出
+     *
+     * @param tokenId   token(uuid)
+     */
+    public void forceLogout(String tokenId){
+        String userKey = getTokenKey(tokenId);
+        if(isSingle){//多设备登录相关控制代码
+            LoginUser loginUser = redisCache.getCacheObject(userKey);
+            Long userId = loginUser.getUserId();
+            String userIdKey = getUserKey(userId);
+            redisCache.deleteObject(userIdKey);
+        }
+        redisCache.deleteObject(userKey);
+    }
+
+
     /**
      * 创建令牌
      * 
@@ -147,15 +171,44 @@ public class TokenService
      */
     public void refreshToken(LoginUser loginUser)
     {
+        //如果是单点登录，则退出当前用户
+        if (isSingle) {
+            String userIdKey = getUserKey(loginUser.getUserId());
+            LoginUser user = redisCache.getCacheObject(userIdKey);
+            if (user != null){
+                String userKey = getTokenKey(user.getToken());
+                if (StringUtils.isNotEmpty(userKey)) {
+                    redisCache.deleteObject(userIdKey);
+                    redisCache.deleteObject(userKey);
+                }
+            }
+        }
         loginUser.setLoginTime(System.currentTimeMillis());
+        //todo 令牌有效期
         loginUser.setExpireTime(loginUser.getLoginTime() + expireTime * MILLIS_MINUTE);
         // 根据uuid将loginUser缓存
         String userKey = getTokenKey(loginUser.getToken());
 //        redisCache.setCacheObject(userKey, loginUser, expireTime, TimeUnit.MINUTES);
         /* vinjor   永不过期，适配小程序*/
         redisCache.setCacheObject(userKey, loginUser);
+        //如果是单点登录，则记录用户idkey对应的用户信息key
+        if (isSingle){
+            String userIdKey = getUserKey(loginUser.getUserId());
+            redisCache.setCacheObject(userIdKey, loginUser);
+        }
     }
 
+    /**
+     * 获取用户Key
+     *
+     * @param userId 当前登录用户的主键id
+     * @return
+     */
+    private String getUserKey(Long userId) {
+        return CacheConstants.LOGIN_USER_ID_KEY + userId;
+    }
+
+
     /**
      * 设置用户代理信息
      * 
diff --git a/dl_vue/src/permission.js b/dl_vue/src/permission.js
index 24c542e..e24d966 100644
--- a/dl_vue/src/permission.js
+++ b/dl_vue/src/permission.js
@@ -36,7 +36,7 @@ router.beforeEach((to, from, next) => {
           watermark.remove()
 
           // 设置新水印
-          const currentUser = store.getters.name || '未知用户'
+          const currentUser = store.getters.nickName || '未知用户'
           const currentDate = new Date().toLocaleDateString()
           watermark.set({
             text: `${currentUser}\n${currentDate}`,
@@ -63,7 +63,7 @@ router.beforeEach((to, from, next) => {
         watermark.remove()
 
         // 设置新水印
-        const currentUser = store.getters.name || '未知用户'
+        const currentUser = store.getters.nickName || '未知用户'
         const currentDate = new Date().toLocaleDateString()
         watermark.set({
           text: `${currentUser}\n${currentDate}`,