diff --git a/nginx/upgrade-nginx-deb.sh b/nginx/upgrade-nginx-deb.sh
index 5cc9afc..e190669 100644
--- a/nginx/upgrade-nginx-deb.sh
+++ b/nginx/upgrade-nginx-deb.sh
@@ -10,7 +10,12 @@ OLD_VERSION=$(nginx -v 2>&1|cut -d '/' -f 2)
 
 DEB_FILE="nginx_$VERSION-$(lsb_release -sc)-1_amd64.deb"
 
-wget "https://www.xdty.org/dl/vps/nginx_$VERSION-1_amd64.deb -O $DEB_FILE"
+wget "https://www.xdty.org/dl/vps/$DEB_FILE"i -O "$DEB_FILE"
+
+if [ "$?" -ne 0 ]; then
+    echo "$DEB_FILE download failed!"
+    exit 1
+fi
 
 echo "Stop service ..."
 service nginx stop