From ca89ddf657600deea16ea6dfa82aa2a264880db4 Mon Sep 17 00:00:00 2001
From: MingxuanGame <MingxuanGame@outlook.com>
Date: Sun, 14 Sep 2025 04:58:42 +0000
Subject: [PATCH] fix(api): standardize UTC datetime serialization to use 'Z'
 instead of '+00:00' to support some service

e.g. https://github.com/yaowan233/nonebot-plugin-osubot
---
 app/models/model.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/model.py b/app/models/model.py
index 5b50da3..fbcd52e 100644
--- a/app/models/model.py
+++ b/app/models/model.py
@@ -13,7 +13,7 @@ class UTCBaseModel(BaseModel):
         if isinstance(v, datetime):
             if v.tzinfo is None:
                 v = v.replace(tzinfo=UTC)
-            return v.astimezone(UTC).isoformat()
+            return v.astimezone(UTC).isoformat().replace("+00:00", "Z")
         return v