diff --git a/client/api/ApiCallbackMessage.ts b/client/api/ApiCallbackMessage.ts
index e94b2df..6f2bc8e 100644
--- a/client/api/ApiCallbackMessage.ts
+++ b/client/api/ApiCallbackMessage.ts
@@ -8,8 +8,9 @@ type ApiCallbackMessage = {
      * 404: Not Found
      * 500: 伺服器端錯誤
      * 501: 伺服器端不支持請求的功能
+     * -1:  客戶端錯誤
      */
-    code: 200 | 400 | 401 | 403 | 404 | 500 | 501,
-    data?: { [key: string]: unknown },
+    code: 200 | 400 | 401 | 403 | 404 | 500 | 501 | -1
+    data?: { [key: string]: unknown }
 }
 export default ApiCallbackMessage
diff --git a/client/api/Client.ts b/client/api/Client.ts
index a9ae69b..9aa72ea 100644
--- a/client/api/Client.ts
+++ b/client/api/Client.ts
@@ -9,7 +9,7 @@ type UnknownObject = { [key: string]: unknown }
 class Client {
     static myUserProfile?: User
     static socket?: Socket
-    static events: { [key: string]: (data: UnknownObject) => UnknownObject | undefined } = {}
+    static events: { [key: string]: (data: UnknownObject) => UnknownObject | void } = {}
     static connect() {
         if (data.device_id == null)
             data.device_id = crypto.randomUUID()
@@ -37,9 +37,12 @@ class Client {
                 setTimeout(async () => reslove(await this.invoke(method, args, timeout)), 500)
             })
         }
-        return new Promise((resolve, reject) => {
+        return new Promise((resolve) => {
             this.socket!.timeout(timeout).emit("The_White_Silk", method, args, (err: string, res: ApiCallbackMessage) => {
-                if (err) return reject(err)
+                if (err) return resolve({
+                    code: -1,
+                    msg: err,
+                })
                 resolve(res)
             })
         })
@@ -57,7 +60,7 @@ class Client {
             token: data.access_token
         })).data as unknown as User
     }
-    static on(eventName: ClientEvent, func: (data: UnknownObject) => UnknownObject) {
+    static on(eventName: ClientEvent, func: (data: UnknownObject) => UnknownObject | void) {
         this.events[eventName] = func
     }
     static off(eventName: ClientEvent) {