visual studio 运行python代码报错

错误信息：SyntaxError: (unicode error) 'utf-8' codec can't decode byte 0xb7 in position 3: invalid start byte

import jieba
import jieba.analyse
from wordcloud import WordCloud
from PIL import Image
import mysqlhelper
import datetime
def getWords():
    roomid = '48624390158@chatroom'
    rows = mysqlhelper.getmsg(roomid)
    jieba.analyse.set_stop_words("stopwords.txt")
    words = []
    for row in rows:
        word = list(jieba.analyse.extract_tags(row[6]))
        words.extend(word)
        
    return words

def generate_img(words):
    data = ' '.join(word for word in words)
    wc = WordCloud(
        background_color='white',
        font_path='C:\Windows\Fonts\msyh.ttc',
        collocations=False,
        max_words=110,
        min_font_size=10,
        max_font_size=90,
        width=800,
        height=600
    )
    wc.generate(data)

    now = datetime.datetime.now()
    time_str = now.strftime("%Y-%m-%d-%H-%M-%S")
    wc.to_file('{}.png'.format(time_str))

if __name__ == '__main__':
    words = getWords()
    generate_img(words)
    print('执行成功！')#主要就是这里有中文，然后就报错了

错误原因是由于visual studio编写python代码，默认的编码格式为：GB2312，解决办法也很简单，把这个python文件的编码格式改为utf-8即可。但是问题又来了，visual studio中，怎么改python文件的编码格式呢？

方法1：增加VS编辑python文件的“高级保存”选项

方法二：安装Force UTF-8插件