diff --git a/.gitignore b/.gitignore
index ca30bc5..b0fbf27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@ __pycache__/
 scripts/
 .idea
 cache
+nucleon/test.toml
+electron/test.toml
\ No newline at end of file
diff --git a/screens.py b/screens.py
index 5ad3579..2ab9ad4 100644
--- a/screens.py
+++ b/screens.py
@@ -197,7 +197,7 @@ class NewNucleonScreen(Screen):
     def compose(self) -> ComposeResult:
         yield Header(show_clock=True)
         with Container(id="vice_container"):
-            yield Label(f"新建空的单元集\n")
+            yield Label(f"[b]新建空的单元集\n")
             yield Markdown("1. 键入单元集名称")
             yield Input(placeholder="单元集名称")
             yield Markdown("> 单元集名称不应与现有单元集重复, 新的单元集文件将创建在 ./nucleon/你输入的名称.toml")