df_string = df.to_string()

app.py

@@ -14,11 +14,17 @@ def process_file(file):
         df = pd.read_csv(file)
     else:
         df = pd.read_excel(file)
-
-    # 将 DataFrame 转换为字符串
+        
     df_string = df.to_string()
 
-    return update_buttons(df_string), df_string
+    # 根据上传的文件内容生成问题
+    questions = generate_questions(df_string)
+
+    # 返回按钮文本和 DataFrame 字符串
+    return questions[0] if len(questions) > 0 else "", \
+           questions[1] if len(questions) > 1 else "", \
+           questions[2] if len(questions) > 2 else "", \
+           df_string
 
 def update_buttons(df_string):
     # 根据上传的文件内容生成问题
@@ -104,7 +110,7 @@ with gr.Blocks() as demo:
     )
 
     # file_upload.change(process_file, inputs=file_upload, outputs=df_string_output)
-    file_upload.change(process_file, inputs=file_upload, outputs=[(btn_1, "text"), (btn_2, "text"), (btn_3, "text"), df_string_output])
+    file_upload.change(process_file, inputs=file_upload, outputs=[btn_1, btn_2, btn_3, df_string_output])
 
 
     # 连接按钮点击事件