Merge branch 'feature/eta2.2.1_usda_fas' into debug

models/data_manage/base_from_usda_fas.go

@@ -17,6 +17,8 @@ type BaseFromUsdaFasIndex struct {
 	StartDate              string `description:"开始日期"`
 	EndDate                string `description:"结束日期"`
 	EndValue               float64
+	Country                string `description:"国家"`
+	Commodity              string `description:"属性"`
 	CreateTime             time.Time
 	ModifyTime             time.Time
 }