专题管理列表修复多个频道不会显示的问题

@@ -25,8 +25,8 @@ var g = new common.grid({
 			else if(item.sort == "2") return "SALE";
 		}},
 		{display: "排序", name: "orderNum"},
-		{display: "标题", name: "title"},
-		{display: "封面图", name: "coverUrl", render: function (item) {
+		{display: "标题", name: "title", width:"300px"},
+		{display: "封面图", name: "coverUrl", height:"102px", render: function (item) {
 			return '<img src="'+item.coverUrl+'" height="100px" />';
 		}},
 		{display: "促销形式", name: "promotionName"},
@@ -41,7 +41,12 @@ var g = new common.grid({
 		{display:"频道", name:"yhChannel", render: function (item) {
 			if(item.yhChannel) {
 				item.yhChannel = item.yhChannel.replace(/,/g,"|");
-				return yhChannelArr[item.yhChannel-1];
+				var arr = [];
+				var yhChannels = item.yhChannel.split("|");
+				for(var i = 0; i < yhChannels.length; i++) {
+					arr.push(yhChannelArr[yhChannels[i]-1]);
+				}
+				return arr.join(",");
 			}
 		}},
 		{display: "状态", name: "status", render: function (item) {