diff --git a/business/partner/purchase/mtwm/store_sku2.go b/business/partner/purchase/mtwm/store_sku2.go
index 6fca62741..28468214d 100644
--- a/business/partner/purchase/mtwm/store_sku2.go
+++ b/business/partner/purchase/mtwm/store_sku2.go
@@ -403,7 +403,7 @@ func (p *PurchaseHandler) GetStoreSkusFullInfo(ctx *jxcontext.Context, parentTas
 func vendorSku2Jx(appFood *mtwmapi.AppFood) (skuName *partner.SkuNameInfo) {
 	prefix, name, comment, specUnit, unit, specQuality := jxutils.SplitSkuName(appFood.Name)
 	vendorSku := appFood.SkuList[0]
-	weight := vendorSku.Weight
+	weight := int(utils.Str2Int64WithDefault(vendorSku.Weight, 0))
 	if weight <= 0 {
 		weight = jxutils.FormatSkuWeight(specQuality, specUnit)
 	}