Update app.py

app.py

@@ -19,7 +19,7 @@ def mock_summary():
 def add_to_file_list(file, file_list):
     if file:
         file_list.append(file.name)
-    return file_list, None  # 清空文件選擇框
+    return gr.update(choices=file_list), None  # 清空文件選擇框
 
 def process_selected_files(selected_files):
     # 假資料模擬處理 RAG
@@ -40,11 +40,11 @@ with gr.Blocks() as demo:
         with gr.Column(visible=True) as source_column:
             gr.Markdown("### 來源選單")
 
-            file_list = gr.State([])
+            file_list = []
 
             upload_file = gr.File(label="從電腦添加文件", file_types=[".txt", ".pdf", ".docx"])
             add_file_button = gr.Button("添加到來源列表")
-            file_display = gr.CheckboxGroup(label="已上傳的文件", interactive=True)
+            file_display = gr.CheckboxGroup(label="已上傳的文件", interactive=True, choices=file_list)
 
             add_file_button.click(add_to_file_list, inputs=[upload_file, file_list], outputs=[file_display, upload_file])