diff --git a/app/common/service/PermService.php b/app/common/service/PermService.php
index 06c7535..16030b1 100644
--- a/app/common/service/PermService.php
+++ b/app/common/service/PermService.php
@@ -15,9 +15,9 @@ class PermService
     }
 
     // 用户资源缓存key
-    protected static function cacheKey(int $userId): string
+    protected static function cacheKey(int $userId, string $systemCode): string
     {
-        return "user_resources_{$userId}";
+        return "user_resources_{$userId}_{$systemCode}";
     }
 
     /**
@@ -25,7 +25,7 @@ class PermService
      */
     public function getUserResources(int $userId, string $systemCode)
     {
-        $cacheKey = self::cacheKey($userId);
+        $cacheKey = self::cacheKey($userId, $systemCode);
         $cached   = Cache::get($cacheKey);
         if ($cached !== null) {
             return $cached;
@@ -58,8 +58,8 @@ class PermService
     /**
      * 清除资源相关缓存
      */
-    public function clearCache(int $userId): void
+    public function clearCache(int $userId, string $systemCode): void
     {
-        Cache::delete(self::cacheKey($userId));
+        Cache::delete(self::cacheKey($userId, $systemCode));
     }
 }
\ No newline at end of file