diff --git a/pages/goods/goods.vue b/pages/goods/goods.vue
index dcd213f..d8c4afa 100644
--- a/pages/goods/goods.vue
+++ b/pages/goods/goods.vue
@@ -323,7 +323,7 @@
 			},
 			buy() {
 				let that = this;
-				if(this.goodsData[0].stockCount == 0){
+				if(this.goodsData[0].stockCount == 0 && this.goodsData[0].couponSource !=4){
 					uni.showToast({
 						title: '库存不足',
 						icon: "none"