From d31cac8cbcaf0e9ac9bd4570f700fe07bcb37c0d Mon Sep 17 00:00:00 2001
From: kdletters <kdletters@qq.com>
Date: Sat, 27 Jun 2026 22:36:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E4=B8=AD=E6=96=87=E6=96=87?=
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在 OSS 文件名清洗中为空主体使用 file 兜底

补充中文文件名清洗回归测试
---
 server-rs/crates/platform-oss/src/lib.rs | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/server-rs/crates/platform-oss/src/lib.rs b/server-rs/crates/platform-oss/src/lib.rs
index fe91fe457..d4aee7772 100644
--- a/server-rs/crates/platform-oss/src/lib.rs
+++ b/server-rs/crates/platform-oss/src/lib.rs
@@ -1182,9 +1182,11 @@ fn sanitize_file_name(raw: &str) -> Result<String, OssError> {
         .collect::<String>();
     let stem = collapse_dashes(&stem);
 
-    if stem.is_empty() {
-        return Err(OssError::InvalidRequest("fileName 主体不合法".to_string()));
-    }
+    let stem = if stem.is_empty() {
+        "file".to_string()
+    } else {
+        stem
+    };
 
     let extension = raw_extension
         .map(|extension| {
@@ -1767,6 +1769,14 @@ mod tests {
         );
     }
 
+    #[test]
+    fn sanitize_file_name_falls_back_when_stem_has_no_ascii_body() {
+        assert_eq!(
+            sanitize_file_name("剪贴板素材.png").expect("file name should sanitize"),
+            "file.png"
+        );
+    }
+
     #[test]
     fn sign_get_object_url_returns_signed_private_read_url() {
         let client = build_client();