fix bug

apps/mall/Tpl/default/Goods/pay_w3g.html

@@ -131,7 +131,7 @@
 				$.ajax({
 				$.ajax({
 				    url: "{:U('classroom/Pay/buyGoods')}",
 				    url: "{:U('classroom/Pay/buyGoods')}",
 				    data: {
 				    data: {
-						goods_id: that.info.uid,
+						goods_id: that.info.goods_id,
 						total: parseFloat(that.totalPrice),
 						total: parseFloat(that.totalPrice),
 						count: that.count,
 						count: that.count,
 						address_id: that.address.id,
 						address_id: that.address.id,