diff --git a/start.sh b/start.sh
index 6c3835c..c5221e1 100644
--- a/start.sh
+++ b/start.sh
@@ -1,10 +1,3 @@
-# Build image
-docker build -t ngxway .
-if [ $? -ne 0 ]; then
-  echo -e ">>>>>>>>Start failure: failed to build<<<<<<<<"
-  exit 1
-fi
-
 # Handle container
 containerCount=0
 for file in $(docker container ls -f name=ngxwayContainer -q)
@@ -16,6 +9,17 @@ if [ $containerCount -ne 0 ]; then
   exit 1
 fi
 
+# Pull without password
+git config --global credential.helper store
+git pull
+
+# Build image
+docker build -t ngxway .
+if [ $? -ne 0 ]; then
+  echo -e ">>>>>>>>Start failure: failed to build<<<<<<<<"
+  exit 1
+fi
+
 # Run container
 docker run --name ngxwayContainer -d -p 127.0.0.1:8090:8090 -v /tmp/logs:/dist/logs/ ngxway
 if [ $? -ne 0 ]; then