diff --git a/routes/file_manager.py b/routes/file_manager.py
index f5b8813..a41355d 100644
--- a/routes/file_manager.py
+++ b/routes/file_manager.py
@@ -191,7 +191,10 @@ async def upload_file(file: UploadFile = File(...), path: str = Form("")):
         # 创建目标目录（包括所有不存在的父目录）
         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():
@@ -218,6 +221,7 @@ async def upload_file(file: UploadFile = File(...), path: str = Form("")):
 
     except HTTPException:
         raise
+
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"文件上传失败: {str(e)}")
 
@@ -961,4 +965,4 @@ async def batch_operation(operations: List[Dict[str, Any]]):
         }
         
     except Exception as e:
-        raise HTTPException(status_code=500, detail=f"批量操作失败: {str(e)}")
\ No newline at end of file
+        raise HTTPException(status_code=500, detail=f"批量操作失败: {str(e)}")