How can update trainning activity course catalog form ECC course catalog

hi,everyone:

I had a problem at LSO learning portal.pls help me.thanks

when i changed the course title text at ecc ,but the trainning

activity at learning portal did not changed ,still disply the

old course title .but the course catalog disply is new course

title ,i dont know why not update at training activity.

who can help me.

thanks

vivian