有关EXIT_GetITStatus、EXIT_ClearITPendingBit的错误

找不出错误原因
..Userstm32f10x_it.c(51): warning:  #223-D: function "EXIT_GetITStatus" declared implicitly
..Userstm32f10x_it.c(54): warning:  #223-D: function "EXIT_ClearITPendingBit" declared implicitly
linking...
..OutputISO-mini.axf: Error: L6218E: Undefined symbol EXIT_ClearITPendingBit (referred from stm32f10x_it.o).
..OutputISO-mini.axf: Error: L6218E: Undefined symbol EXIT_GetITStatus (referred from stm32f10x_it.o).