优化切换云机延迟更新

pages/rtcEngine/rtc.vue

@@ -772,7 +772,7 @@ export default {
 
         if(this.sdkLoadStatus === 'success') {
           // 开始运行程序
-          this.start(cloudData);
+          this.$nextTick(()=> this.start(cloudData) );
         }else {
           console.log('SDK加载失败');
         }