diff --git a/platformapi/mtwmapi/user_page.go b/platformapi/mtwmapi/user_page.go
index 71e52d9a..92f9be25 100644
--- a/platformapi/mtwmapi/user_page.go
+++ b/platformapi/mtwmapi/user_page.go
@@ -427,7 +427,11 @@ func (a *API) GetStandardProductListWithCond(upc string) (getStandardProductList
 	}
 	result, err := a.AccessUserPage("reuse/sc/product/retail/r/getStandardProductListWithCond", params)
 	if err == nil {
-		utils.Map2StructByJson(result["list"].([]interface{})[0], &getStandardProductListWithCondResult, false)
+		if len(result["list"].([]interface{})) == 0 {
+			return nil, err
+		} else {
+			utils.Map2StructByJson(result["list"].([]interface{})[0], &getStandardProductListWithCondResult, false)
+		}
 	}
 	return getStandardProductListWithCondResult, err
 }