diff --git a/README-CN.md b/README-CN.md
index 6fd9ca6b..30cf2144 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -45,7 +45,7 @@ sh /usr/local/oceanbase-diagnostic-tool/init.sh
 
 ```shell
 pip3 install -r requirements3.txt
-sh dev_init.sh
+./dev_init.sh
 source ~/.bashrc
 ```
 
diff --git a/README.md b/README.md
index 02c7a5c4..4a079434 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ To install obdiag on Python >= 3.8, run these commands:
 
 ```shell
 pip3 install -r requirements3.txt
-sh dev_init.sh
+./dev_init.sh
 source ~/.bashrc
 ```
 
diff --git a/dev_init.sh b/dev_init.sh
old mode 100644
new mode 100755
index b9cb8692..53f9c27b
--- a/dev_init.sh
+++ b/dev_init.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 PROJECT_PATH=$(cd "$(dirname "$0")"; pwd)
 WORK_DIR=$(readlink -f "$(dirname ${BASH_SOURCE[0]})")
diff --git a/init.sh b/init.sh
index adb9a90e..766b82d5 100755
--- a/init.sh
+++ b/init.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 if [[ $# == 1 && $1 == "-f" ]]; then
     FORCE_DEPLOY="1"
diff --git a/rpm/build.sh b/rpm/build.sh
index d8fa1785..5ea86c23 100755
--- a/rpm/build.sh
+++ b/rpm/build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 python_bin='python'
 W_DIR=`pwd`
diff --git a/rpm/obdiag-build.sh b/rpm/obdiag-build.sh
index 99be94e5..facb3e6b 100755
--- a/rpm/obdiag-build.sh
+++ b/rpm/obdiag-build.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 PROJECT_DIR=$1
 PROJECT_NAME=$2