diff --git a/termedit.py b/termedit.py
index 53529f7..3380462 100644
--- a/termedit.py
+++ b/termedit.py
@@ -589,7 +589,7 @@ def _update_status(self) -> None:
         if self.current_file:
             name = self.current_file.name + (" *" if self.modified else "")
         else:
-            name = "[未命名]" + (" *" if self.modified else "")
+            name = "\\[未命名]" + (" *" if self.modified else "")
         self.query_one("#st-file", Static).update(name)
     
     def _load_file(self, path: Path, encoding: str = "") -> None: