修复媒体品种修改未删除之前数据

models/media.go

@@ -315,6 +315,11 @@ func UpdateMedia(m *Media) (updateId int64, err error) {
 		_ = tx.Rollback()
 		return
 	}
+	err = DeleteMappingsById(m.Id)
+	if err != nil {
+		_ = tx.Rollback()
+		return
+	}
 	ids := strings.Split(m.PermissionIds, ",")
 	for _, item := range ids {
 		x, _ := strconv.Atoi(item)