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

FlatQuant算子和RotateQuant算子存在shape校验缺陷，链式调用，空指针解引用等风险

Environment / 环境信息 (Mandatory / 必填)

ascend950

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

agent检视

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

shape校验正确，有空指针校验，

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

无

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