diff --git a/scripts/install/centos.sh b/scripts/install/centos.sh
index 016f19203..cd8aef071 100755
--- a/scripts/install/centos.sh
+++ b/scripts/install/centos.sh
@@ -119,7 +119,6 @@ if [ -f /www/server/mdserver-web/bin/activate ];then
 	pip3 install pymongo
 else
     cd /www/server/mdserver-web && pip3 install -r /www/server/mdserver-web/requirements.txt
-    
 fi
 
 echo  "end install python lib"
diff --git a/scripts/install_dev.sh b/scripts/install_dev.sh
index 643698616..a2710a7ab 100755
--- a/scripts/install_dev.sh
+++ b/scripts/install_dev.sh
@@ -72,7 +72,7 @@ if [ $OSNAME != "macos" ];then
 fi
 
 echo "use system version: ${OSNAME}"
-curl -fsSL  https://gitee.com/midoks/mdserver-web/raw/master/scripts/install/${OSNAME}.sh | bash
+curl -fsSL  https://gitee.com/midoks/mdserver-web/raw/dev/scripts/install/${OSNAME}.sh | bash
 
 
 endTime=`date +%s`
diff --git a/scripts/update_dev.sh b/scripts/update_dev.sh
index 35285da74..ea986c847 100755
--- a/scripts/update_dev.sh
+++ b/scripts/update_dev.sh
@@ -52,7 +52,7 @@ rm -rf /tmp/mdserver-web-dev
 
 #pip uninstall public
 echo "use system version: ${OSNAME}"
-curl -fsSL  https://gitee.com/midoks/mdserver-web/raw/master/scripts/update/${OSNAME}.sh | bash
+curl -fsSL  https://gitee.com/midoks/mdserver-web/raw/dev/scripts/update/${OSNAME}.sh | bash
 
 endTime=`date +%s`
 ((outTime=($endTime-$startTime)/60))