thank you valerie,Jonathan,Gunner
I tried these ..but still cant be recongnized in new offical viewer..it worked well in past..right now I am useing firestorm..working well everything..all shaders and shadows can open too. hard to find out whats the real reason..such weird...anyway ..thanks guys!:matte-motes-sour:
and thank you too Nalates..i decide to use firestorm for a while ..maybe will handle this problem in future..