解决在app中断网没有及时更新首页的问题

uview-ui/components/u-no-network/u-no-network.vue

@@ -58,6 +58,11 @@
 			uZIndex() {
 				return this.zIndex ? this.zIndex : this.$u.zIndex.noNetwork;
 			}
+		},
+		watch:{
+			isConnected(val){
+					this.$emit('isConnected',val)
+			}
 		},
 		mounted() {
 			this.isIOS = (uni.getSystemInfoSync().platform === 'ios');