diff --git a/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/ProjectServiceImpl.java b/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/ProjectServiceImpl.java
index 2da0a696..d84d12eb 100644
--- a/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/ProjectServiceImpl.java
+++ b/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/ProjectServiceImpl.java
@@ -170,13 +170,16 @@ public class ProjectServiceImpl implements ProjectService {
 
     /**
      * 判断用户是否为超级管理员
-     * 查角色列表 → hasAnySuperAdmin 判别
+     *
+     * 注意：必须使用 FromCache 版本，本方法被 ProjectSecurityWebFilter 每次请求都会调用，
+     * 走无缓存的 getUserRoleIdListByUserId 会直接把 system_user_role 打爆，
+     * 典型症状是 /admin-api/** 接口（如 get-permission-info）大面积超时。
      */
     private boolean isSuperAdmin(Long userId) {
         if (userId == null) {
             return false;
         }
-        Set<Long> roleIds = permissionService.getUserRoleIdListByUserId(userId);
+        Set<Long> roleIds = permissionService.getUserRoleIdListByUserIdFromCache(userId);
         if (CollUtil.isEmpty(roleIds)) {
             return false;
         }
diff --git a/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/UserProjectServiceImpl.java b/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/UserProjectServiceImpl.java
index e6b5017f..c7babd40 100644
--- a/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/UserProjectServiceImpl.java
+++ b/viewsh-module-system/viewsh-module-system-server/src/main/java/com/viewsh/module/system/service/project/UserProjectServiceImpl.java
@@ -258,12 +258,15 @@ public class UserProjectServiceImpl implements UserProjectService {
 
     /**
      * 判断用户是否超管
+     *
+     * 必须走 FromCache 版本，否则调用点（removeProjectUser / getProjectUserPage）
+     * 在高并发场景（比如批量移除成员）下会放大 DB 压力。
      */
     private boolean isSuperAdmin(Long userId) {
         if (userId == null) {
             return false;
         }
-        Set<Long> roleIds = permissionService.getUserRoleIdListByUserId(userId);
+        Set<Long> roleIds = permissionService.getUserRoleIdListByUserIdFromCache(userId);
         if (CollUtil.isEmpty(roleIds)) {
             return false;
         }