diff --git a/library/think/cache/driver/Apc.php b/library/think/cache/driver/Apc.php
index a6420ae8..cc97bd09 100644
--- a/library/think/cache/driver/Apc.php
+++ b/library/think/cache/driver/Apc.php
@@ -116,6 +116,6 @@ class Apc
      */
     public function clear()
     {
-        return apc_clear_cache();
+        return apc_clear_cache('user');
     }
 }