diff --git a/ruoyi-admin/src/main/resources/application.yml b/ruoyi-admin/src/main/resources/application.yml
index bf479a4..eb462b3 100644
--- a/ruoyi-admin/src/main/resources/application.yml
+++ b/ruoyi-admin/src/main/resources/application.yml
@@ -103,6 +103,8 @@ spring:
       shutdown-timeout: 1000
 # token配置
 token:
+    # 是否允许账户多终端同时登录（true允许 false不允许）
+    soloLogin: false
     # 令牌自定义标识
     header: Authorization
     # 令牌密钥
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java b/ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java
index 8727151..4625f5e 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/constant/Constants.java
@@ -174,4 +174,9 @@ public class Constants
      * CAS登录成功后的前台Cookie的Key
      */
     public static final String WEB_TOKEN_KEY = "Admin-Token";
+
+    /**
+     * 登录用户编号 redis key
+     */
+    public static final String LOGIN_USERID_KEY = "login_userid:";
 }
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
index 53e8f57..5c6a6ae 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/security/handle/LogoutSuccessHandlerImpl.java
@@ -43,7 +43,7 @@ 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.getUser().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/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/SysLoginService.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/SysLoginService.java
index 84c86be..968b269 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/SysLoginService.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/SysLoginService.java
@@ -4,6 +4,7 @@ import javax.annotation.Resource;
 
 import com.ruoyi.common.exception.user.*;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.BadCredentialsException;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
@@ -34,6 +35,10 @@ import com.ruoyi.system.service.ISysUserService;
 @Component
 public class SysLoginService
 {
+    // 是否允许账户多终端同时登录（true允许 false不允许）
+    @Value("${token.soloLogin}")
+    private boolean soloLogin;
+
     @Autowired
     private TokenService tokenService;
 
@@ -93,6 +98,20 @@ public class SysLoginService
         AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
         LoginUser loginUser = (LoginUser) authentication.getPrincipal();
         recordLoginInfo(loginUser.getUserId());
+
+        // 添加到这里
+        // 判断是否允许账户多终端同时登录
+        if (!soloLogin)
+        {
+            // 如果用户不允许多终端同时登录，清除缓存信息
+            String userIdKey = Constants.LOGIN_USERID_KEY + loginUser.getUser().getUserId();
+            String userKey = redisCache.getCacheObject(userIdKey);
+            if (StringUtils.isNotEmpty(userKey))
+            {
+                redisCache.deleteObject(userIdKey);
+                redisCache.deleteObject(userKey);
+            }
+        }
         // 生成token
         return tokenService.createToken(loginUser);
     }
diff --git a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
index 02d39da..05dec5d 100644
--- a/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
+++ b/ruoyi-framework/src/main/java/com/ruoyi/framework/web/service/TokenService.java
@@ -33,6 +33,10 @@ public class TokenService
 {
     private static final Logger log = LoggerFactory.getLogger(TokenService.class);
 
+    // 是否允许账户多终端同时登录（true允许 false不允许）
+    @Value("${token.soloLogin}")
+    private boolean soloLogin;
+
     // 令牌自定义标识
     @Value("${token.header}")
     private String header;
@@ -128,13 +132,20 @@ 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))
         {
             String userKey = getTokenKey(token);
             redisCache.deleteObject(userKey);
         }
+
+        //在原有代码上添加下面的代码
+        if (!soloLogin && StringUtils.isNotNull(userId))
+        {
+            String userIdKey = getUserIdKey(userId);
+            redisCache.deleteObject(userIdKey);
+        }
     }
 
     /**
@@ -183,6 +194,14 @@ public class TokenService
         // 根据uuid将loginUser缓存
         String userKey = getTokenKey(loginUser.getToken());
         redisCache.setCacheObject(userKey, loginUser, expireTime, TimeUnit.MINUTES);
+
+        //在原有代码上添加下面的代码
+        if (!soloLogin)
+        {
+            // 缓存用户唯一标识，防止同一帐号，同时登录
+            String userIdKey = getUserIdKey(loginUser.getUser().getUserId());
+            redisCache.setCacheObject(userIdKey, userKey, expireTime, TimeUnit.MINUTES);
+        }
     }
 
     /**
@@ -265,4 +284,7 @@ public class TokenService
     {
         return CacheConstants.LOGIN_TOKEN_KEY + uuid;
     }
+
+    //添加下面的代码
+    private String getUserIdKey(Long userId){return Constants.LOGIN_USERID_KEY + userId;}
 }