diff --git a/platformapi/jdapi/sku.go b/platformapi/jdapi/sku.go
index 06d9be00..abb122b4 100644
--- a/platformapi/jdapi/sku.go
+++ b/platformapi/jdapi/sku.go
@@ -89,6 +89,11 @@ const (
 	SaleAttrValueIDBase = 10
 )
 
+const (
+	ImgTypeMain   = 1 // 商品图片
+	ImgTypeDetail = 2 // 详情图片
+)
+
 type SkuIDPair struct {
 	SkuId    int64  `json:"skuId"`
 	OutSkuId string `json:"outSkuId"`