python opencv imshow 图片不显示 not responding

python opencv imshow not responding

import numpy as np
import cv2

# 载入图像
img = cv2.imread('1.jpg')

cv2.imshow('123', img)

加上cv2.waitKey()

import numpy as np
import cv2

# 载入图像
img = cv2.imread('1.jpg')

cv2.imshow('123', img)
cv2.waitKey()

如果尝试手动关闭cv2.imshow()出的图片，会出现not responding，然后环境崩溃

解决：使用cv2.destroyAllWindows()关闭图片