diff --git a/cq-websocket.d.ts b/cq-websocket.d.ts
index <HASH>..<HASH> 100644
--- a/cq-websocket.d.ts
+++ b/cq-websocket.d.ts
@@ -15,7 +15,7 @@ export interface CQRequestOptions {
 }
 type WebSocketProtocol = "http:" | "https:" | "ws:" | "wss:"
 export interface CQWebSocketOption {
-  access_token: string
+  accessToken: string
   enableAPI: boolean
   enableEvent: boolean
   protocol: WebSocketProtocol
diff --git a/demo/echobot.js b/demo/echobot.js
index <HASH>..<HASH> 100644
--- a/demo/echobot.js
+++ b/demo/echobot.js
@@ -26,7 +26,7 @@ if (options.help) {
     port: options.port,

     baseUrl: options.url,

     qq: options.qq,

-    access_token: options.token

+    accessToken: options.token

   })

   

   // 設定訊息監聽

diff --git a/src/index.js b/src/index.js
index <HASH>..<HASH> 100644
--- a/src/index.js
+++ b/src/index.js
@@ -29,7 +29,7 @@ class CQWebSocket extends $Callable {
     protocol = 'ws:',
     host = '127.0.0.1',
     port = 6700,
-    access_token: accessToken = '',
+    accessToken = '',
     baseUrl,
 
     // application aware configs
refactor: rename constructor option "access_token" to "accessToken"

BREAKING CHANGE: Option renaming from "access_token" to "accessToken"

#<I>