跑3536CSDK 的VDEC报错，错误信息如下。

SAMPLE_COMM_VDEC_InitModCommVb]-360: exit stat :0
HI_MPI_VB_InitModCommPool failed at SAMPLE_COMM_VDEC_InitModCommVb: LINE: 370 with 0xa001800c!
[SAMPLE_VDEC_VdhH265]-694: init mod common vb fail for 0xa001800c!


/************************************/
please choose the case which you want to run:
        0:  VDH H264
        1:  VDH H265
        2:  VDH MP4
        3:  JPEG decoding
        4:  PIP
        q:  quit the whole sample
sample command:

//配置VB_CONF_S
HI_VOID        SAMPLE_COMM_VDEC_Sysconf(VB_CONF_S *pstVbConf, SIZE_S *pstSize)
{
    memset(pstVbConf, 0, sizeof(VB_CONF_S));          
    pstVbConf->u32MaxPoolCnt = 2;        //整个系统中可容纳的缓存池个数   原先为2
    pstVbConf->astCommPool[0].u32BlkSize = (pstSize->u32Width * pstSize->u32Height * 4) >> 1;//缓冲池的大小
    pstVbConf->astCommPool[0].u32BlkCnt         = 20;//缓存池的个数   原先是20
   

#ifndef HI_FPGA
    pstVbConf->astCommPool[1].u32BlkSize = 3840*2160;
    pstVbConf->astCommPool[1].u32BlkCnt         = 5;
#endif
}
mem：64M  MMZ：192M

请各位大佬指教一下小弟。小弟不胜感激