消息正文---[Index and length must refer to a location within the string.
Parameter name: length]
---堆栈追踪---[ at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy)
at TyModel.EnvironmentModel.HardWare.getMNum()
at TyModel.Model.MainInitModel.Do()]