调整初始化流程

index.js

@@ -14,7 +14,8 @@ app.listen(port, () => {
   db.init()
   app.use(express.json()) // for parsing application/json
   app.use(express.urlencoded({extended: true, limit: '50mb'})) // for parsing application/x-www-form-urlencoded
-  Promise.all([rest.init(app), ws.init(app)]).then(() => {
+  Promise.all([rest.init(app)]).then(() => {
     log(`${chalk.bgGreen.black(" DONE ")} serve is listening on ${port}`)
+    ws.init(app)
   })
 })