I've got it!
I had confuse accessing from client and accessing form client-node. I could realize that the firewall distinguish the node and the device.
-
After updating firmware(over 4.0),
-
setting as bellow,
[Forum.GL-iNet]Building a Site-2-Site network manually using two GL.iNet routers(SDK 4.X) -
add Client Configuration of server setting as bellow,
[GL.iNet Router Docs 4]How to visit WireGuard client LAN side from Server
and I could connect a node device under WG_Server router to another device under WG_Client router eachother!