diff --git a/build.sh b/build.sh
old mode 100644
new mode 100755
index 2e8bf9b..43f46b1
--- a/build.sh
+++ b/build.sh
@@ -1,4 +1,4 @@
-i#!/usr/bin/env bash
+#!/usr/bin/env bash
 # clone from git@git.opencomputing.cn/yumoqing/vdb
 # git clone https://git.opencomputing.cn/yumoqing/vdb
 cdir=$(pwd)