lpub3d with povray not working

[linghank]

lpub3d version LPub3D_x32-2.0.14.838.2_20161013.zip
pov ray version 3.7
ldraw    version LDraw  All-In-One-Installer 2015-02 
PC system ：win7
i use lpub3d open ldr file ,lpub3d with povray only have the part list no instruction。
i follow this page http://forums.ldraw.org/thread-21309.html step by step to setting 。
Please help me to solve this problem。

Thanks！！！