Unity3D UNET-试图在没有权限的情况下发送对象的命令

Question

1-我已将YapLan（）函数分配给“关闭”（按钮）KapanLan。

2-如果是服务器的所有者，则按钮将关闭自身并关闭客户端。 （没问题）

3-单击客户端时，出现标题中提到的错误。

Trying to send command for object without authority.
UnityEngine.Networking.NetworkBehaviour:SendCommandInternal(NetworkWriter, Int32, String)
Test:CallCmdYapLan()
Test:YapLan() (at Assets/Scripts/Test.cs:17)
UnityEngine.EventSystems.EventSystem:Update()

using UnityEngine.Networking;
using UnityEngine.UI;

#pragma warning disable CS0618
public class Test : NetworkBehaviour
{
    public Button KapanLan;

    public void YapLan()
    {
        if (isServer)
        {
            RpcYapLan();
        }
        else
        {
            CmdYapLan();
        }
    }

    [Command]
    public void CmdYapLan()
    {
        RpcYapLan();
    }

    [ClientRpc]
    public void RpcYapLan()
    {
        KapanLan.interactable = false;
    }
}
#pragma warning restore CS0618