diff --git a/jtt808/README.md b/jtt808/README.md
index 4496289..30c5f3a 100644
--- a/jtt808/README.md
+++ b/jtt808/README.md
@@ -6,7 +6,10 @@ mkdir -p /home/docker-compose/opt
 # Enter directory
 cd /home/docker-compose/opt
 # Download
+# 旧版7x(废弃)
 wget https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz
+# 新版8.1
+wget https://github.com/BtbN/FFmpeg-Builds/releases/download/autobuild-2026-06-14-13-33/ffmpeg-n8.1.1-117-g7aecd49777-linux64-gpl-8.1.tar.xz
 # Decompress
 tar -xvf ffmpeg-release-amd64-static.tar.xz
 # Copy bin files