修复

screenIos/homeNew.html

@@ -455,6 +455,7 @@
 						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) {