safari play fail bug

[lqkaixin]

#EXTM3U
#EXT-X-VERSION:7
#EXT-X-MAP:URI="EPICGAMING_S01E01_MARIOKART8_1080p.m4s",BYTERANGE=1361@0
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MEDIA-SEQUENCE:0
#EXT-X-TARGETDURATION:2
#EXT-X-BYTERANGE:724886@1361
#EXTINF:2.000,
EPICGAMING_S01E01_MARIOKART8_1080p.m4s
#EXT-X-BYTERANGE:1054644@726247
#EXTINF:2.000,
EPICGAMING_S01E01_MARIOKART8_1080p.m4s

in attributes of EXT-X-MAP, value of BYTERANGE is a quoted-string。but the lib is not a quoted-string。then play failed in safari。