修改MojoWeixin 只保留用户name 取消群昵称

<pre name="code" class="python">if($msg->type eq "friend_message"){#接收到好友消息             $sender = $msg->sender; #获取到该好友对象 $friend=$sender->displayname;        #    print "我的好友：" . $sender->displayname . "给我发了一个消息，消息的内容是：" . $msg->content;        }        elsif($msg->type eq "group_message"){#接收到群消息            my $group = $msg->group;    #获取到消息对应的群组对象             $sender = $msg->sender;  #获取到发送该消息的群成员对象             $friend=$sender->displayname;        #    print $sender->displayname . "在群：", $group->displayname . "中发了一条消息，消息的内容是：" . $msg->content;        }          $sender 对象内容:    $var is $VAR1 = bless( {                 'id' => '@89c70523a465a6a42cc32cbaa7f2554563bf67776d021f32541986fb8c197974',                 'city' => '',                 'sex' => '',                 'markname' => '',                 'name' => '悠悠球',                 '_group_id' => '@@afb74b7076b5b1dae582ffbb506ab8d354ef172d6ff58b654d9157b04e125235',                 'province' => '',                 'account' => '',                 'signature' => '',                 'display' => 'yy'               }, 'Mojo::Weixin::Group::Member' );      查看display 方法：sub displayname{    my $self = shift;    return $self->display || $self->markname || $self->name;}我们不需要取群昵称修改为sub displayname{    my $self = shift;    return  $self->name;}name： 微信昵称display： 群昵称