Try to Fix vis: more debug info

src/streamlit_app.py

@@ -1069,8 +1069,9 @@ if st.session_state.do_visualize:
                 # 然后用 bar_chart 正常可视化
                 try:
                     st.bar_chart(df.set_index("label"))
-                except:
+                except Exception as e:
                     st.info(cnts.head())
+                    st.info(e)
 
             # 3. 其余 chart 自动补充
             chart_code = suggest_charts_with_gpt(df)