do exception for non-numeric

plot_comparison.py

@@ -315,10 +315,11 @@ for idx, (_, dist_row) in enumerate(dist_combinations.iterrows()):
     
     print(f"[{idx+1}/{len(dist_combinations)}] 生成图表: {output_filename}")
     for c in metric_cols:
-        try:
-            df_subset[c] = df_subset[c].astype('float64')
-        except Exception as e:
-            print(f"数据转换错误, 列名{c}, 错误信息{e}")
+        df_subset[c] = pd.to_numeric(df_subset[c], errors='coerce').fillna(0)
+        #try:
+        #    df_subset[c] = df_subset[c].astype('float64')
+        #except Exception as e:
+        #    print(f"数据转换错误, 列名{c}, 错误信息{e}")
     success = generate_chart(df_subset, output_path, colkey, outer_group, inner_group, metric_cols, args.合并分组)
     
     if success: