优化

screenIos/homeNew.html

@@ -697,6 +697,7 @@
 										var decodeWoker = new Worker('decoder.js');
 										var id = 'playCanvas' + activeIndex;
 										var myVideo = document.getElementById(id);
+										var isDrag = false;
 										console.log("首页=====", id);
 										// var secanv = document.getElementById(id);
 										decodeWoker.onmessage = function(event) {