python matplotlib RuntimeWarning: Glyph xxxxx missing from current font.字体设置问题

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错误信息

D:\Anaconda3\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 26041 missing from current font.
  font.set_text(s, 0, flags=flags)
D:\Anaconda3\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 31243 missing from current font.
  font.set_text(s, 0, flags=flags)
D:\Anaconda3\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 22270 missing from current font.
  font.set_text(s, 0, flags=flags)
D:\Anaconda3\lib\site-packages\matplotlib\backends\backend_agg.py:180: RuntimeWarning: Glyph 20687 missing from current font.
  font.set_text(s, 0, flags=flags)

这是错误提示，只需要补全下面代码就行（缺哪个补哪个）

from matplotlib import font_manager as fm, rcParams
import matplotlib as plt
plt.rcParams['font.sans-serif']=['SimHei'] #显示中文标签
 plt.rcParams['axes.unicode_minus']=False #这两行需要手动设置