树莓派3B+ 安装xrdp 之后 无法通过Xorg无法登录

Connection Log
connecting to sesman on 127.0.0.1:3350
sesman connect ok
sending login info to session manager. Please wait..
login successful for user [username] on display 11
started connecting
connection problem, giving up
some problem
Error connecting to user session
已经试了好多方案都无法解决!