So, the test.rfa must have problems.I think that's because of my wrong operations in the first three sections, i followed the first three sections again, and again.(three times in all) but the problem doesn't disapper.
last, my bf1942 version is 1.61.
I hope you can help me solving this problem,thanks!
PS:if you want to help me ,please leave your e-mail address, i will send my test.rfa to you

thanks