Refactor API requests and update imports

utils/mqttClient.ts

@@ -1,7 +1,7 @@
-import mqtt, { MqttClient, IClientOptions } from 'mqtt'
+import mqtt from 'mqtt'
 
 // MQTT 配置
-const defaultOptions: IClientOptions = {
+const defaultOptions: any = {
   clean: true,
   connectTimeout: 4000,
   clientId: 'vue3-client-' + Math.random().toString(16).substr(2, 8),
@@ -16,9 +16,9 @@ const defaultOptions: IClientOptions = {
 const brokerUrl = 'wss://www.tuxixi.net/mqtt'
 
 export default class MQTTClient {
-  private client: MqttClient | null = null
+  private client: any | null = null
   private url: string
-  private options: IClientOptions
+  private options: any
 
   constructor(url: string, options = {} as any) {
     this.client = null