fix: 视频问题修复

entry/src/main/ets/pages/Index.ets

@@ -78,7 +78,7 @@ struct Index {
   async onPageShow(): Promise<void> {
     console.log("首页 onPageShow")
     await UseAuth(this.context)
-    DifferentialAndSignal.init()
+    // DifferentialAndSignal.init()
     DifferentialAndSignal.onMsg(() => {
       console.log("外层接受")
     })

entry/src/main/ets/pages/VideoConfig.ets

@@ -107,7 +107,7 @@ struct VideoConfigPage {
               Video({
                 src: this.openFlag ?
                   `rtsp://${this.videoConfig.userName}:${this.videoConfig.pwd}@${this.videoConfig.ip}:${this.videoConfig.port}/h264/ch${Reflect.get(this.videoConfig,
-                    'port')}/main/av_stream` : '',
+                    item.td)}/main/av_stream` : '',
                 currentProgressRate: this.curRate,
                 controller: item.controller
               })