1.WKWebView打印：
[Process] kill() returned unexpected error 1
2.TCP和report打?。?/p>
[] tcp_input [C7.1:3] flags=[R] seq=2615722565, ack=3014557822, win=0 state=CLOSED rcv_nxt=2615722565, snd_una=2676935587
[] nw_read_request_report [C2] Receive failed with error "Connection reset by peer"
解決方法：
Xcode -> Product -> Scheme -> Edit Scheme -> Run -> Arguments -> Environment Variables -> 添加環境變量即其值：OS_ACTIVITY_MODE = disable
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