diff --git a/step1/daan.sh b/step1/daan.sh
index a48d21f..e062b84 100644
--- a/step1/daan.sh
+++ b/step1/daan.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+
 
 #将答案填写在下方空白区域
 #/**********  Begin  **********/#