diff --git a/modules/agent/api/init.go b/modules/agent/api/init.go
index 166da6e6..9dc23296 100644
--- a/modules/agent/api/init.go
+++ b/modules/agent/api/init.go
@@ -17,14 +17,14 @@ func Init() {
 	api.HandleAPIMethod(api.DELETE, "/host/:host_id", handler.deleteHost)
 
 	//bind agent with nodes
+	api.HandleAPIMethod(api.GET, "/instance/:instance_id/node/_discovery", handler.RequirePermission(handler.getESNodesInfo, enum.PermissionAgentInstanceRead))
 	api.HandleAPIMethod(api.POST, "/instance/:instance_id/node/_enroll", handler.RequirePermission(handler.enrollESNode, enum.PermissionAgentInstanceWrite))
 	api.HandleAPIMethod(api.POST, "/instance/:instance_id/node/_revoke", handler.RequirePermission(handler.revokeESNode, enum.PermissionAgentInstanceWrite))
 
 	api.HandleAPIMethod(api.POST, "/auto_associate", handler.RequirePermission(handler.autoAssociateESNode, enum.PermissionAgentInstanceWrite))
 
 	//api.HandleAPIMethod(api.POST, "/instance/:instance_id/node/_auth", handler.RequirePermission(handler.authESNode, enum.PermissionAgentInstanceWrite))
-	api.HandleAPIMethod(api.DELETE, "/instance/:instance_id/_nodes", handler.RequirePermission(handler.deleteESNode, enum.PermissionAgentInstanceWrite))
-	api.HandleAPIMethod(api.GET, "/instance/:instance_id/_nodes", handler.RequirePermission(handler.getESNodesInfo, enum.PermissionAgentInstanceRead))
+	//api.HandleAPIMethod(api.DELETE, "/instance/:instance_id/_nodes", handler.RequirePermission(handler.deleteESNode, enum.PermissionAgentInstanceWrite))
 
 	//get elasticsearch node logs, direct fetch or via stored logs(TODO)
 	api.HandleAPIMethod(api.GET, "/elasticsearch/:id/node/:node_id/logs/_list", handler.RequirePermission(handler.getLogFilesByNode, enum.PermissionAgentInstanceRead))
diff --git a/modules/agent/api/tod.go b/modules/agent/api/tod.go
index 38811fef..a101b391 100644
--- a/modules/agent/api/tod.go
+++ b/modules/agent/api/tod.go
@@ -347,24 +347,6 @@ func (h *APIHandler) enrollESNode(w http.ResponseWriter, req *http.Request, ps h
 		return
 	}
 
-	//settings, err := common2.GetAgentSettings(instID, 0)
-	//if err != nil {
-	//	log.Error(err)
-	//	h.WriteError(w, err.Error(), http.StatusInternalServerError)
-	//	return
-	//}
-	//setting := pickAgentSettings(settings, node)
-	//if setting == nil {
-	//	setting, err = getAgentTaskSetting(instID, node)
-	//	if err != nil {
-	//		log.Error("get agent task setting error: ", err)
-	//	}
-	//	err = orm.Create(nil, setting)
-	//	if err != nil {
-	//		log.Error("save agent task setting error: ", err)
-	//	}
-	//}
-
 	h.WriteAckOKJSON(w)
 }