improve some errorcode
improve some errorcode

mingjian2049/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,mrwangxc/zstack-utility,live4thee/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,zstackorg/zstack-utility,live4thee/zstack-utility,mingjian2049/zstack-utility