[skip ci] use debug mode when deploy test

Author: timfeirg

devtools/upgrade-eru-core.sh

@@ -28,6 +28,7 @@ EOF
   sudo yum makecache fast
   sudo yum remove -y eru-core
   sudo yum install -y eru-core
+  sudo cp /home/liuyifu/eru-core.service /usr/lib/systemd/system/eru-core.service
   sudo systemctl daemon-reload
   sudo systemctl restart eru-core.service
 EOF