iso原盘，在NAS上，群晖DS212J，用网线连的，播放明显卡顿，画面切换快速以及背景音乐变化时特别明显，勉强看完。
这是原盘信息，共86G，求高手指点？



DISC INFO:

Disc Title: GLASS
Disc Size: 93,106,731,008 bytes
Protection: AACS2
Extras: Ultra HD, BD-Java
BDInfo: 0.7.5.3 (compatible layout created by DVDFab 11.0.3.8)

PLAYLIST REPORT:

Name: 00800.MPLS
Length: 2:09:01.567 (h:m:s.ms)
Size: 73,653,688,320 bytes
Total Bitrate: 76.11 Mbps

VIDEO:

Codec Bitrate Description
----- ------- -----------
MPEG-H HEVC Video 65702 kbps 2160p / 23.976 fps / 16:9 / Main 10 @ Level 5.1 @ High / 4:2:0 / 10 bits / HDR10 / BT.2020 /

AUDIO:

Codec Language Bitrate Description
----- -------- ------- -----------
Dolby TrueHD/Atmos Audio English 4557 kbps 7.1-Atmos / 48 kHz / 4557 kbps / 24-bit (AC3 Core: 5.1 / 48 kHz / 448 kbps)
Dolby Digital Audio Spanish 640 kbps 5.1 / 48 kHz / 640 kbps
Dolby Digital Audio French 640 kbps 5.1 / 48 kHz / 640 kbps