Upload tool.py

tool.py

@@ -408,8 +408,8 @@ def plot_stock_data(stock_data: pd.DataFrame, ax: Optional[plt.Axes] = None, fig
     plt.xlabel(x_name, fontproperties=font_prop,fontsize=18)
     plt.ylabel(f'{index_name}', fontproperties=font_prop,fontsize=16)
     ax.set_title(title_name , fontproperties=font_prop,fontsize=16)
-    plt.legend()  # 显示图例
-    fig = plt.gcf(prop=font_properties)
+    plt.legend(prop=font_properties)  # 显示图例
+    fig = plt.gcf()
     fig.set_size_inches(18, 12)
 
     return ax