'\r' in startup.sh caused startup failure

[SuperMaskv]

• [x] I have searched the issues of this repository and believe that this is not a duplicate.
• [x] I have checked the REAMDE of this repository and believe that this is not a duplicate.

Environment

• Dubbo Admin version: 0.3.0
• Operating System version: Debian 10.0
• Java version: openjdk 11

Steps to reproduce this issue

root@10-23-47-70:~/dubbo-admin/bin# bash startup.sh
startup.sh: line 2: $'\r': command not found
startup.sh: line 17: $'\r': command not found
startup.sh: line 21: syntax error near unexpected token `$'in\r''
'tartup.sh: line 21: `case "`uname`" in

What have I tried

sed -i 's/\r//' startup.sh

and then startup well