Try to fix vis: column name transform

src/streamlit_app.py

@@ -1058,8 +1058,17 @@ if st.session_state.do_visualize:
             if count_col:
                 st.subheader(f"📊 Distribution of {count_col}")
                 cnts = df[count_col].astype(str).value_counts()
+                
+                # 转换为 DataFrame
+                cnts = cnts.reset_index()
+                cnts.columns = ['label', 'count']
+                
+                # 强制 label 全部转为字符串类型
+                cnts['label'] = cnts['label'].astype(str)
+                
+                # 然后用 bar_chart 正常可视化
                 try:
-                    st.bar_chart(cnts)
+                    st.bar_chart(df.set_index("label"))
                 except:
                     st.info(cnts.head())