Merge branch 'dev' of https://gitea.nxsir.cn/nanxun/ql_apimanager_backend into dev

Apimanager_backend/Dtos/BuyDto.cs

@@ -0,0 +1,11 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Apimanager_backend.Dtos
+{
+    public class BuyDto
+    {
+        public int UserId { get; set; }
+        [Required]
+        public int ApiPackageId { get; set; }
+    }
+}