diff --git a/src/App.vue b/src/App.vue
index 546547f..2571479 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -165,10 +165,12 @@ function onVideoReady(_info: VideoInfo, _index: number) {
   // 可在此做额外处理
 }
 
-function connectMqtt() {
-  mqttClient = mqtt.connect(`ws://${config.serverIp}:${config.websocket}/mqtt`, {
-    username: config.mqttAuth[0],
-    password: config.mqttAuth[1],
+async function connectMqtt() {
+  var mqttServerInfo = await apis.GetMqttServerProxyInfo()
+  if (!mqttServerInfo.server) return
+  mqttClient = mqtt.connect(mqttServerInfo.server, {
+    username:mqttServerInfo.username,
+    password:mqttServerInfo.password,
   })
   mqttClient.subscribe(config.resultTopic, { qos: 0 })
   mqttClient.subscribe(config.streamInfoTopic, { qos: 0 })
diff --git a/src/api/index.ts b/src/api/index.ts
index e96eb1d..7578249 100644
--- a/src/api/index.ts
+++ b/src/api/index.ts
@@ -1,4 +1,4 @@
-import type { GlobalConfig, SourceItem } from '../types'
+import type { GlobalConfig, SourceItem, MqttServerInfo, DeviceItem } from '../types'
 // import { generateSignature, generateRandomString } from '../utils/signature'
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export function createApis(config: GlobalConfig) {
@@ -35,9 +35,13 @@ export function createApis(config: GlobalConfig) {
     return await window.HybridWebView.InvokeDotNet<string>('SubscribeLiveAsync', [deviceId, source_id])
   }
 
-  async function getMqttServerProxyUrl(): Promise<{ data: string }> {
-    return await window.HybridWebView.InvokeDotNet<{ data: string }>('GetMqttServerProxyUrlAsync')
+  async function GetMqttServerProxyInfo(): Promise<MqttServerInfo> {
+    return await window.HybridWebView.InvokeDotNet<MqttServerInfo>('GetMqttServerProxyInfo')
   }
 
-  return { getSources, subscribeLive, getMqttServerProxyUrl }
+  async function getDevices(): Promise<DeviceItem[]> {
+    return await window.HybridWebView.InvokeDotNet<DeviceItem[]>('GetDevicesAsync')
+  }
+
+  return { getSources, subscribeLive, GetMqttServerProxyInfo }
 }
diff --git a/src/types/index.ts b/src/types/index.ts
index 55b871d..4c481e1 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -98,4 +98,15 @@ export interface BboxData {
 
 export interface DetectionResult {
   bbox: BboxData
+}
+
+export interface MqttServerInfo {
+  username: string
+  password: string
+  server: string
+}
+
+export interface DeviceItem {
+  DeviceId: string
+  DeviceName: string
 }
\ No newline at end of file