Warning[w45]: Memory attribute info mismatch between modules CH375HF8 ( F:\study\MSP430\PRACTCE\ CH375_U盘\CH375HF8.R43 ) and main ( F:\study\MSP430\PRACTCE\CH375_U盘\Debug\Obj\main.r43 ) Error[e117]: Incompatible runtime models. Module CH375HF8 specifies that '__rt_version' must be '1', but module main has the value '2'

你用的是哪个版本的IAR？

我用的是IAR3.4A，是不是版本的问题？

换成2。10的版本试下看