Can not relocalize after restart the SLAM mode.

[ShihaoLuo]

Hi,

I have successfully save and load the map in my project. But it is wired that It is trackable in Localization Mode but not trackable in SLAM Mode no matter how I move the camera. Besides, If I restart the slam mode, then switch to the localization mode again, it is sitll not trackable. I have debuged serveral days, cannt find the cause, please help.
Regards.
figure 1: localization mode

figure 2: if switch to slam mode