IUrlHelper ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

2.1 IUrlHelper.Link没问题   2.2  就会报错，2.2需要改成Url.Link