F200 Hands Sample Exception

[荣威_赖_]

I run F200 Hands Sample,Exception occur when executive the code

while(g_senseManager->AcquireFrame(true) == PXC_STATUS_NO_ERROR && !g_stop)

exception:FF_HandsConsole_d.exe has triggered a breakpoint,it break in 

retval = HeapFree(_crtheap, 0, pBlock);

void __cdecl _free_base (void * pBlock)
{

        int retval = 0;


        if (pBlock == NULL)
            return;

        RTCCALLBACK(_RTC_Free_hook, (pBlock, 0));

        retval = HeapFree(_crtheap, 0, pBlock);
        if (retval == 0)
        {
            errno = _get_errno_from_oserr(GetLastError());
        }
}

i don't know what is wrong with the code,anybody help?