diff --git a/business/partner/purchase/mtwm/store_sku.go b/business/partner/purchase/mtwm/store_sku.go
index cb1afa083..487568ac4 100644
--- a/business/partner/purchase/mtwm/store_sku.go
+++ b/business/partner/purchase/mtwm/store_sku.go
@@ -438,7 +438,7 @@ func (p *PurchaseHandler) DeleteRemoteSkus(ctx *jxcontext.Context, parentTask ta
 		if err = err2; err == nil {
 			vendorSkuIDs = make([]string, len(result))
 			for k, v := range result {
-				vendorSkuIDs[k] = utils.Interface2String(v["app_food_code"])
+				vendorSkuIDs[k] = v.AppFoodCode
 			}
 		}
 	}
@@ -460,7 +460,7 @@ func (p *PurchaseHandler) DeleteRemoteSkus(ctx *jxcontext.Context, parentTask ta
 	return err
 }
 
-func (p *PurchaseHandler) GetAllRemoteSkus(storeID int) (skus []map[string]interface{}, err error) {
+func (p *PurchaseHandler) GetAllRemoteSkus(storeID int) (skus []*mtwmapi.AppFood, err error) {
 	storeDetail, err := dao.GetStoreDetail(dao.GetDB(), storeID, model.VendorIDMTWM)
 	if err != nil {
 		return nil, err
@@ -544,7 +544,7 @@ func (p *PurchaseHandler) PruneMissingStoreSkus(ctx *jxcontext.Context, parentTa
 				remoteSkuList, err2 := p.GetAllRemoteSkus(storeID)
 				if err = err2; err == nil {
 					for _, v := range remoteSkuList {
-						skuIDStr := utils.Interface2String(v["app_food_code"])
+						skuIDStr := v.AppFoodCode
 						if localSkuMap[skuIDStr] == nil {
 							vendorSkuID2Delete = append(vendorSkuID2Delete, skuIDStr)
 						}