diff --git a/kernel/util/runtime.go b/kernel/util/runtime.go
index fd949201d..214a626b6 100644
--- a/kernel/util/runtime.go
+++ b/kernel/util/runtime.go
@@ -192,7 +192,7 @@ func checkFileSysStatus() {
 				break
 			}
 
-			time.Sleep(time.Second)
+			RandomSleep(500, 1000)
 
 			f, err := os.Open(renamed)
 			if nil != err {