print out exception stack for course adit for bs
print out exception stack for course adit for bs

XiaodunServerGroup/xiaodun-platform,XiaodunServerGroup/xiaodun-platform,XiaodunServerGroup/xiaodun-platform,XiaodunServerGroup/xiaodun-platform,XiaodunServerGroup/xiaodun-platform,XiaodunServerGroup/xiaodun-platform