add chinese fonts

main.py

@@ -26,7 +26,7 @@ import openai
 
 
 font_path = './fonts/SimHei.ttf'
-font_prop = fm.FontProperties()
+font_prop = fm.FontProperties(font_path)
 # To override the Thread method
 class MyThread(Thread):
 
@@ -353,7 +353,7 @@ def run(instruction, add_to_queue=None, send_chat_request_Azure = send_official_
 
     print(output_result)
     buf = BytesIO()
-    plt.savefig(buf, format='png', fontproperties=font_prop, dpi=300)
+    plt.savefig(buf, format='png', fontproperties=font_prop)
     buf.seek(0)
     #
     #

tool.py

@@ -23,7 +23,7 @@ from sklearn.linear_model import LinearRegression
 
 
 font_path = './fonts/SimHei.ttf'
-font_prop = fm.FontProperties()
+font_prop = fm.FontProperties(font_path)
 
 
 tushare_token = os.getenv('TUSHARE_TOKEN')