From f5664c7de0e8ae5346931e5f860fd6098c4ce033 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B4=9B=E6=B0=B4=E5=B1=85=E5=AE=A4?=
 <luoshuijs@outlook.com>
Date: Mon, 12 Jun 2023 10:09:03 +0800
Subject: [PATCH] :art: Improve `BadRequest`

---
 simnet/errors.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/simnet/errors.py b/simnet/errors.py
index 662c49f..8a89be4 100644
--- a/simnet/errors.py
+++ b/simnet/errors.py
@@ -63,6 +63,10 @@ class BadRequest(ApiHelperException):
     def response(self) -> dict[str, Union[str, Any, None]]:
         return {"retcode": self.ret_code, "message": self.original}
 
+    @property
+    def retcode(self) -> int:
+        return self.ret_code
+
 
 class InternalDatabaseError(BadRequest):
     """Internal database error."""