小白，请教一下编译一个简单的示例，出现No module named ‘numpy’，是什么问题呀？

from tqsdk import TqApi
api = TqApi()
quote = api.get_quote("SHFE.cu2009")
while True:
    api.wait_update()
    print (quote.datetime, quote.last_price)

import numpy as np
ModuleNotFoundError: No module named ‘numpy’