无法进入自建服务器

日志里有这么一段：
[19:15:54] [IO-Worker-1/INFO]: Could not authorize you against Realms server: Invalid session id
[19:15:54] [IO-Worker-1/ERROR]: Couldn't connect to realms
net.minecraft.class_4355: Realms authentication error with message 'Invalid session id'
        at knot/net.minecraft.class_4341.method_20998(class_4341.java:447) ~[client-intermediary.jar:?]
        at knot/net.minecraft.class_4341.method_21027(class_4341.java:232) ~[client-intermediary.jar:?]
        at knot/net.minecraft.class_8647.method_52627(class_8647.java:51) ~[client-intermediary.jar:?]
        at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]
        at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
[19:15:57] [Render thread/ERROR]: Can't ping im1115.aternos.me: Internal Exception: java.net.SocketException: Connection reset
[19:17:47] [Render thread/INFO]: Connecting to im1115.aternos.me, 25565
[19:17:48] [Netty Client IO #7/INFO]: Canceling Microsoft telemetry
[19:17:49] [Render thread/WARN]: Client disconnected with reason: There are no available servers to connect you to. Try again later or contact an admin.
[19:17:49] [Render thread/INFO]: Locked slots file path is empty
[19:17:49] [Render thread/INFO]: Connecting to 185.107.194.134, 14389
[19:18:15] [Render thread/INFO]: Connecting to im1115.aternos.me, 25565
[19:18:16] [Netty Client IO #8/INFO]: Canceling Microsoft telemetry
[19:18:16] [Render thread/WARN]: Client disconnected with reason: There are no available servers to connect you to. Try again later or contact an admin.
[19:18:16] [Render thread/INFO]: Locked slots file path is empty
[19:18:16] [Render thread/INFO]: Connecting to 185.107.194.134, 14389