diff --git a/routes/file_manager.py b/routes/file_manager.py
index 5326fb1..91e0138 100644
--- a/routes/file_manager.py
+++ b/routes/file_manager.py
@@ -164,7 +164,7 @@ async def list_files(path: str = "", recursive: bool = False):
 async def upload_file(file: UploadFile = File(...), path: str = Form("")):
     """
     上传文件
-    
+
     Args:
         file: 上传的文件
         path: 目标路径（相对于支持目录）
@@ -174,26 +174,29 @@ async def upload_file(file: UploadFile = File(...), path: str = Form("")):
         if not target_path.exists() or not target_path.is_dir():
             target_path = resolve_path("projects")
         target_path.mkdir(parents=True, exist_ok=True)
-        
-        file_path = target_path / file.filename
-        
+
+        # 将文件名中的空格替换为下划线
+        safe_filename = file.filename.replace(" ", "_") if file.filename else file.filename
+        file_path = target_path / safe_filename
+
         # 如果文件已存在，检查是否覆盖
         if file_path.exists():
             # 可以添加版本控制或重命名逻辑
             pass
-        
+
         with open(file_path, "wb") as buffer:
             content = await file.read()
             buffer.write(content)
-        
+
         return {
             "success": True,
             "message": "文件上传成功",
-            "filename": file.filename,
-            "path": str(Path(path) / file.filename),
+            "filename": safe_filename,
+            "original_filename": file.filename,
+            "path": str(Path(path) / safe_filename),
             "size": len(content)
         }
-        
+
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"文件上传失败: {str(e)}")