diff --git a/business/partner/purchase/tiktok_store/store_sku2_utils.go b/business/partner/purchase/tiktok_store/store_sku2_utils.go
index db14e28bc..d8d509a0f 100644
--- a/business/partner/purchase/tiktok_store/store_sku2_utils.go
+++ b/business/partner/purchase/tiktok_store/store_sku2_utils.go
@@ -286,7 +286,7 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 						}
 						// 是否支持七天无理由
 						if api.GetProductUpdateRule(param.CategoryLeafId) {
-							param.AfterSaleService = map[string]string{"supply_day_return_selector": "7"}
+							param.AfterSaleService = map[string]string{"supply_day_return_selector": "7天"}
 						}
 						updateParam.Pic = param.Pic
 						updateParam.Description = param.Description
@@ -386,7 +386,7 @@ func (p *PurchaseHandler) createOrUpdateStoreSkus(ctx *jxcontext.Context, storeI
 			}
 
 			if api.GetProductUpdateRule(param.CategoryLeafId) {
-				param.AfterSaleService = map[string]string{"supply_day_return_selector": "7"}
+				param.AfterSaleService = map[string]string{"supply_day_return_selector": "7天"}
 			}
 
 			// 获取主商品id
@@ -509,7 +509,7 @@ func makeMainProductSku(db *dao.DaoDB, api *tiktokShop.API, storeSku *dao.StoreS
 
 	// 是否支持七天无理由
 	if api.GetProductUpdateRule(param.CategoryLeafId) {
-		param.AfterSaleService = map[string]string{"supply_day_return_selector": "7"}
+		param.AfterSaleService = map[string]string{"supply_day_return_selector": "7天"}
 	}
 
 	// weight_unit 目前抖音只支持g和kg两种