At present, the company has a project done before online safety monitoring, test the application executable file is not set strong signature; Then need to set up the third party when strong signed the signature of the DLL, there is no strong signature but directing a DLL, so in the mongo. The Driver. The writing is strong signature compiled into a DLL DLL, incredibly error, an error for grammar errors; Specific syntax for: "error: syntax error at token 'System. Core' in: IL_0024: ldtoken class [mscorlib] System. Collections. The Generic. IEnumerable ` 1 & lt; !!!!! 0 & gt; [System. The Core] System. Linq. Enumerable: : Distinct