How to get the audio length of Qiniu's PLmediaplayer

how is it that Qiniu"s PLmediaplayer gets the length of audio and (getDuration ()) returns a type of folat, and is always 0? How did you solve it?

Mar.21,2021

the length of time acquired should be of type long;
are the resources you acquired online or local?
can be obtained after prepare.

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-64f5-1b3d4a3-4efe6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3d4a3-4efe6.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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