diff --git a/RollCall_App/课堂随机点名.py b/RollCall_App/课堂随机点名.py
index dc8c5fb..6df5cee 100644
--- a/RollCall_App/课堂随机点名.py
+++ b/RollCall_App/课堂随机点名.py
@@ -187,7 +187,7 @@ class RollCallApp:
 
         file_frame = ttk.Frame(self.main_content_frame)
         file_frame.pack(pady=10, padx=15) # MODIFIED pady and padx
-        ttk.Label(file_frame, text="名单 (学号,姓名):").pack(side=tk.LEFT, padx=(0,5)) # MODIFIED text and padx
+        ttk.Label(file_frame, text="TXT名单 (一行一个'学号,姓名'):").pack(side=tk.LEFT, padx=(0,5)) # MODIFIED text and padx
         self.file_entry = ttk.Entry(file_frame, textvariable=self.file_path, width=18, state='readonly') # MODIFIED width
         self.file_entry.pack(side=tk.LEFT, padx=3) # MODIFIED padx
         self.load_button = ttk.Button(file_frame, text="选择文件", command=self.load_file)