There has been no response to the HttpClient request developed by win10 1809J UWP, and no error has been reported.

vs 2017
UWP development HttpClient request has been no response, no error, set timeout 10s, also do not prompt timeout, the same code for the new console program has no problem

Dec.21,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-7bfbd6-25c80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-7bfbd6-25c80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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