content_grade = gr.Textbox(label="選擇年級", value="", visible=False)

app.py

@@ -3446,7 +3446,7 @@ def create_app():
         with gr.Tab("教學備課"):
             with gr.Row():
                 content_subject = gr.Textbox(label="選擇主題", value="", visible=False)             
-                content_grade = gr.Dropdown(label="選擇年級", choices=["一年級", "二年級", "三年級", "四年級", "五年級", "六年級", "七年級", "八年級", "九年級", "十年級", "十一年級", "十二年級"], value="", visible=False)
+                content_grade = gr.Textbox(label="選擇年級", value="", visible=False)
                 content_level = gr.Dropdown(label="差異化教學", choices=["基礎", "中級", "進階"], value="基礎")
             with gr.Row():
                 with gr.Tab("學習單"):