关于 ./launcher 重新构建应用程序错误 (Process::Status: pid 2096) 感到困惑

root@JEN /var/discourse # ./launcher start app101
检测到 x86_64 架构。

正在启动现有容器
+ /usr/bin/docker start app101
app101
root@JEN /var/discourse # ./launcher enter app101
su postgres
psql
检测到 x86_64 架构。
root@JEN-app101:/var/www/discourse# SELECT id FROM sidebar_sections WHERE section_type = 0;
bash: SELECT: command not found
root@JEN-app101:/var/www/discourse#