FLASH_PageErase (EraseAddr,1);
FLASH_ByteWrite (OnTimeAddr + 0, OnDigit[0], 1);
FLASH_ByteWrite (OnTimeAddr + 1, OnDigit[1], 1);
FLASH_ByteWrite (OnTimeAddr + 2, OnDigit[2], 1);
FLASH_ByteWrite (OnTimeAddr + 3, OnDigit[3], 1);