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Describe the current behavior / 问题描述 (Mandatory / 必填)

fqmm x1/x2 空指针传入，当前校验过晚，在校验前解析空指针会Segmentation Fault

Environment / 环境信息 (Mandatory / 必填)

A2/A3

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

构造x1、x2空指针传入

Describe the expected behavior / 预期结果 (Mandatory / 必填)

空指针传入被非法校验住

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

/

Special notes for this issue/备注 (Optional / 选填)