问题一:error LNK2001:unresolved external symbol "const type_info::`vftable'" (??_7type_info@@6B@) 
没有加入微软的RTTI库 
问题二:warning LNK1166 
- Recompile adding the /Gy option to separate functions for the linker and then relink. If any warnings still exists, then 
- Rewrite the source code for the large function that generates code larger than a page into several that generate less than one page each.