fix bug

apps/classroom/Tpl/default/Index/theme_x7_w3g.html

@@ -103,7 +103,7 @@
 									<if condition="$vo['price'] eq 0">免费
 										<else />¥{$vo['price']}</if>
 								</span>
-								<van-image @click="onDownload({$vo})" src="__THEME__/img/down_load_icon.png" width="13" height="16">
+								<van-image @click="onDownload({$vo['is_buy']}, {$vo['price']}, '{$vo[attach]}')" src="__THEME__/img/down_load_icon.png" width="13" height="16">
 								</van-image>
 									</van-icon>
 							</div>
@@ -175,8 +175,8 @@
 			onChange: function(tab) {
 
 			},
-			onDownload: function (item) {
-				console.log(item);
+			onDownload: function (isBuy, price, path) {
+				console.log(isBuy, price, path);
 			},
 			onPay: function(id) {
 				console.log("Id = " + id)