Update app.py

app.py

@@ -872,7 +872,7 @@ def create_plot(df, chart_type, x_column, y_column, group_column=None, size_colu
         colors = COLOR_SCHEMES.get(color_scheme_name, px.colors.qualitative.Plotly)
 
         # --- 5. 創建圖表 (核心邏輯) ---
-        fig_params = {"data_frame": agg_df, "title": title, "color_discrete_sequence": colors, "width": width, "height": height}
+        fig_params = {"title": title, "color_discrete_sequence": colors, "width": width, "height": height} # 移除 data_frame
         if group_col and custom_colors_dict: fig_params["color_discrete_map"] = custom_colors_dict
         # 確定實際用於繪圖的 Y 軸列名 (可能是 '__count__' 或原始 Y 列名)
         effective_y = y_col_agg # 使用聚合後確定的 Y 軸列名