diff --git a/src/lib/realTimeAPI.js b/src/lib/realTimeAPI.js
index 348ed21..d055084 100644
--- a/src/lib/realTimeAPI.js
+++ b/src/lib/realTimeAPI.js
@@ -5,9 +5,6 @@ import { v4 as uuid } from 'uuid';
 
 export class RealTimeAPI {
   constructor(param, onOpenCallback, onCloseCallback, onRetryCallback) {
-    this.onOpenCallback = onOpenCallback;
-    this.onCloseCallback = onCloseCallback;
-    this.onErrorCallback = onRetryCallback;
     this.webSocket = webSocket({
       ...param,
       openObserver: {
@@ -22,6 +19,9 @@ export class RealTimeAPI {
       },
     });
     this.retryCount = 0;
+    this.onOpenCallback = onOpenCallback;
+    this.onCloseCallback = onCloseCallback;
+    this.onErrorCallback = onRetryCallback;
   }
   onOpen() {
     console.log(