这是加载时发生的报错

[13:30:15] [Server thread/INFO]: [Citizens] Enabling Citizens v2.0.32-SNAPSHOT (build 3151)
[13:30:15] [Server thread/INFO]: [Citizens] Loading external libraries
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[13:31:12] [Server thread/WARN]: [Citizens] Download timed out: https://repo1.maven.org/maven2/c ... .0/phtree-2.5.0.jar
[13:31:12] [Server thread/ERROR]: Error occurred while enabling Citizens v2.0.32-SNAPSHOT (build 3151) (Is it up to date?)
java.lang.RuntimeException: Failed to download library 'ch.ethz.globis.phtree:phtree:2.5.0'
        at clib.net.byteflux.libby.LibraryManager.downloadLibrary(LibraryManager.java:382) ~[?:?]
        at clib.net.byteflux.libby.LibraryManager.loadLibrary(LibraryManager.java:442) ~[?:?]
        at net.citizensnpcs.Citizens.loadMavenLibraries(Citizens.java:304) ~[?:?]
        at net.citizensnpcs.Citizens.onEnable(Citizens.java:379) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:342) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:480) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugin(CraftServer.java:546) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.enablePlugins(CraftServer.java:460) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:588) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:413) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.dedicated.DedicatedServer.e(DedicatedServer.java:250) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:972) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:303) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]

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