update 优化 isLogin 判断逻辑

ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/core/dao/PlusSaTokenDao.java

@@ -74,7 +74,9 @@ public class PlusSaTokenDao implements SaTokenDaoBySessionFollowObject {
      */
     @Override
     public void delete(String key) {
-        RedisUtils.deleteObject(key);
+        if (RedisUtils.deleteObject(key)) {
+            CAFFEINE.invalidate(key);
+        }
     }
 
     /**
@@ -151,7 +153,9 @@ public class PlusSaTokenDao implements SaTokenDaoBySessionFollowObject {
      */
     @Override
     public void deleteObject(String key) {
-        RedisUtils.deleteObject(key);
+        if (RedisUtils.deleteObject(key)) {
+            CAFFEINE.invalidate(key);
+        }
     }
 
     /**

ruoyi-common/ruoyi-common-satoken/src/main/java/org/dromara/common/satoken/utils/LoginHelper.java

@@ -207,7 +207,8 @@ public class LoginHelper {
      */
     public static boolean isLogin() {
         try {
-            return getLoginUser() != null;
+            StpUtil.checkLogin();
+            return true;
         } catch (Exception e) {
             return false;
         }