fix: 更新脚本以支持远程数据库配置和修复文件路径

pkg/deb/DEBIAN/postinst

@@ -10,7 +10,7 @@ echo "    sudo systemctl start|stop|status|restart omc.service"
 echo ""
 
 # Check if this is the first installation or upgrade
-if [ ! -f $RootDir/omc.conf ]; then
+if [ ! -f $RootDir/machine.ini ]; then
     # First installation, perform the related operations
     chmod +rx /usr/local/bin/omc
     cp $RootDir/default/omc.conf $RootDir/omc.conf