From a4b7efb1c9bb0d04956f7487a7c66a227a547c7f Mon Sep 17 00:00:00 2001
From: lintsinghua <lintsinghua@users.noreply.github.com>
Date: Wed, 10 Dec 2025 17:43:56 +0800
Subject: [PATCH] fix(rules): fix unicode encoding error in rule set export
 filename

Use RFC 5987 filename*=UTF-8'' format for Content-Disposition header to support Chinese characters in exported filename
---
 backend/app/api/v1/endpoints/rules.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backend/app/api/v1/endpoints/rules.py b/backend/app/api/v1/endpoints/rules.py
index b19ecd4..d59db6d 100644
--- a/backend/app/api/v1/endpoints/rules.py
+++ b/backend/app/api/v1/endpoints/rules.py
@@ -444,10 +444,14 @@ async def export_rule_set(
         "export_version": "1.0",
     }
     
+    # 使用 URL 编码处理中文文件名
+    from urllib.parse import quote
+    encoded_filename = quote(f"{rule_set.name}.json")
+    
     return JSONResponse(
         content=export_data,
         headers={
-            "Content-Disposition": f'attachment; filename="{rule_set.name}.json"'
+            "Content-Disposition": f"attachment; filename*=UTF-8''{encoded_filename}"
         }
     )