[Haskell-cafe] How to use Template Haskell based on code that generated by another Template?

I have a yesod project, which generated, say, UserPassword in module Model. Then I wrote my template code which generate a piece of code to use UserPassword. I imported Model in my code. Then I got Illegal variable name: `UserPassword' When splicing a TH declaration: -- 竹密岂妨流水过 山高哪阻野云飞 And for G+, please use magiclouds#gmail.com.