这个问题别人已经开了n个贴，官方要么不回，要么根本就不把这个当问题 都这么多人说有问题了，说了一个多月了，希望你们能关注起来，知道这个影响很大，列在正在解决的列表，尽快解决 https://developers.weixin.qq.com/community/develop/doc/000ce0c5b74e20c8c84c455aa56000?highLine=canvas%2520touch https://developers.weixin.qq.com/community/develop/doc/000e68e21a492033284cb3c4a5b000?highLine=canvas%2520%25E4%25BA%258B%25E4%25BB%25B6 https://developers.weixin.qq.com/community/develop/doc/000c2624eb4c7086d43cc7fe55bc00?highLine=canvas%2520%25E4%25BA%258B%25E4%25BB%25B6 https://developers.weixin.qq.com/community/develop/doc/0006a26894cc78b5ed3c742ae58c00?highLine=canvas%2520%25E4%25BA%258B%25E4%25BB%25B6 https://developers.weixin.qq.com/community/develop/doc/000ca44a7c884097e23c6386e56c00?highLine=canvas%2520%25E4%25BA%258B%25E4%25BB%25B6 https://developers.weixin.qq.com/community/develop/doc/0008ced08487280ca23c8f59851800?highLine=canvas%2520%25E8%25A7%25A6%25E6%2591%25B8