def pass_audit_str(self):
    parameter_str = 'id={}&status={}'.format(str(self.id), str(self.audit))
    color_code = ''
    btn_str = '<a class="btn btn-xs btn-danger" href="{}" rel="external nofollow" >'          '<input name="通过审核"'          'type="button" id="passButton" '          'title="passButton" value="通过审核">'          '</a>'
    return format_html(btn_str, '/pass_audit/?{}'.format(parameter_str))
pass_audit_str.short_description = '通过审核'