diff --git a/install/install.sh b/install/install.sh
index fa5bb350..a1afeb28 100644
--- a/install/install.sh
+++ b/install/install.sh
@@ -9,6 +9,10 @@ function  error_exit {
 trap 'error_exit "Please push issue to: https://github.com/Websoft9/stackhub/issues"' ERR
 
 urls="https://w9artifact.blob.core.windows.net/release/websoft9"
+if [[ "$1" == "dev" ]]; then
+    echo "update by dev artifacts"
+    urls="https://w9artifact.blob.core.windows.net/dev/websoft9"
+fi
 
 function get_os_type() {
     if [ -f /etc/os-release ]; then
diff --git a/install/update.sh b/install/update.sh
index 64bea734..695684c5 100644
--- a/install/update.sh
+++ b/install/update.sh
@@ -9,6 +9,10 @@ function  error_exit {
 trap 'error_exit "Please push issue to: https://github.com/Websoft9/websoft9/issues"' ERR
 
 urls="https://w9artifact.blob.core.windows.net/release/websoft9"
+if [[ "$1" == "dev" ]]; then
+    echo "update by dev artifacts"
+    urls="https://w9artifact.blob.core.windows.net/dev/websoft9"
+fi
 
 CheckEnv(){
 echo "------------------ Welcome to update websoft9's appstore, it will take 1-3 minutes -----------------"