diff --git a/hack/contrib/docker/gateway/nginx/lua/balancer.lua b/hack/contrib/docker/gateway/nginx/lua/balancer.lua
index 893b3484e..8ca19cf97 100644
--- a/hack/contrib/docker/gateway/nginx/lua/balancer.lua
+++ b/hack/contrib/docker/gateway/nginx/lua/balancer.lua
@@ -133,6 +133,7 @@ function _M.balance()
   if not ok then
     ngx.log(ngx.ERR, string.format("error while setting current upstream peer %s: %s", peer, err))
   end
+  ngx.log(ngx.INFO, string.format("successfully set current upstream peer %s: %s", peer, err))
 end
 
 return _M
\ No newline at end of file
diff --git a/hack/contrib/docker/gateway/nginx/lua/config.lua b/hack/contrib/docker/gateway/nginx/lua/config.lua
index d89ced142..a8f0ebd54 100644
--- a/hack/contrib/docker/gateway/nginx/lua/config.lua
+++ b/hack/contrib/docker/gateway/nginx/lua/config.lua
@@ -48,8 +48,8 @@ end
 
 function _M.call()
   if ngx.var.request_method ~= "POST" and ngx.var.request_method ~= "GET" then
+    ngx.log(ngx.ERR, "Only POST and GET requests are allowed!")
     ngx.status = ngx.HTTP_BAD_REQUEST
-    ngx.print("Only POST and GET requests are allowed!")
     return
   end
 
@@ -79,6 +79,7 @@ function _M.call()
     return
   end
 
+  ngx.log(ngx.INFO, "successfully read or update backend data ")
   ngx.status = ngx.HTTP_CREATED
 end
 
diff --git a/hack/contrib/docker/gateway/nginxtmp/tmpl/nginx.tmpl b/hack/contrib/docker/gateway/nginxtmp/tmpl/nginx.tmpl
index ccc589205..1258efbc5 100644
--- a/hack/contrib/docker/gateway/nginxtmp/tmpl/nginx.tmpl
+++ b/hack/contrib/docker/gateway/nginxtmp/tmpl/nginx.tmpl
@@ -101,6 +101,7 @@ http {
         server 0.0.0.1; # placeholder
 
         balancer_by_lua_block {
+          ngx.log(ngx.INFO, string.format("start balancer"))
           balancer.balance()
         }
     }
diff --git a/node/core/service/node_service.go b/node/core/service/node_service.go
index 8f2a8f8cb..c1b9d4125 100644
--- a/node/core/service/node_service.go
+++ b/node/core/service/node_service.go
@@ -131,7 +131,7 @@ func (n *NodeService) AsynchronousInstall(node *client.HostNode) {
 	}
 	// start add node script
 	logrus.Info("Begin add node, please don't exit")
-	line := fmt.Sprintf("cd /opt/rainbond/install/scripts; ./%s.sh %s %s %s %s %s %s", node.Role[0], node.HostName,
+	line := fmt.Sprintf("cd /opt/rainbond/rainbond-ansible/scripts; ./%s.sh %s %s %s %s %s %s", node.Role[0], node.HostName,
 		node.InternalIP, linkModel, node.RootPass, node.KeyPath, node.ID)
 
 	fileName := node.HostName + ".log"