update doc

README.md

@@ -75,7 +75,7 @@ $ sudo /bin/bash -c "$(curl -fsSL http://192.168.0.115:3000/zhangyupeng/4dage-ff
 ```
 ### using gogs as lib fast  outsider CDN:
 ```bash
-$ sudo /bin/bash -c "$(curl -fsSL http://http://git.nps.gemer.xyz/zhangyupeng/4dage-ffmpeg/raw/master/web-install.sh)" --in
+$ sudo /bin/bash -c "$(curl -fsSL http://git.nps.gemer.xyz/zhangyupeng/4dage-ffmpeg/raw/master/web-install.sh)" --in
 ```
 
 ## `4DAGE-FFMPEG ` command usage: