f2812将程序从flash迁移到ram中运行的出现的问题

将部分代码从flash复制到ram 中运行，会出现进入非法的中断

ILLEGAL_ISR(void)。若全部迁移到ram中运行，出现

Can't Run Target CPU: Can't write to data memory 0x82D, check memory config [-2184]
Can't Run Target CPU: Can't write to data memory 0x838, check memory config [-2184]

现象，求解惑