diff --git a/src/main/java/world/arainu/core/metaverseplugin/gui/Gui.java b/src/main/java/world/arainu/core/metaverseplugin/gui/Gui.java
index d645f45..5696099 100644
--- a/src/main/java/world/arainu/core/metaverseplugin/gui/Gui.java
+++ b/src/main/java/world/arainu/core/metaverseplugin/gui/Gui.java
@@ -1,7 +1,6 @@
 package world.arainu.core.metaverseplugin.gui;
 
 import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.TextComponent;
 import net.kyori.adventure.text.format.TextDecoration;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
diff --git a/src/main/java/world/arainu/core/metaverseplugin/listener/ServerListener.java b/src/main/java/world/arainu/core/metaverseplugin/listener/ServerListener.java
index ca62a0f..038fd31 100644
--- a/src/main/java/world/arainu/core/metaverseplugin/listener/ServerListener.java
+++ b/src/main/java/world/arainu/core/metaverseplugin/listener/ServerListener.java
@@ -46,7 +46,7 @@ public void onPlayerLogin(PlayerLoginEvent e) {
                             .setDescription("自動BANまで残り" + (10 * (kickcount / 10 + 1) - kickcount) + "回")
                             .addField("プレイヤー名", "`"+name+"`", false)
                             .addField("UUID", String.valueOf(uuid), false)
-                            .setThumbnail("https://crafatar.com/avatars/" + uuid)
+                            .setThumbnail("https://crafatar.com/avatars/" + uuid + ".png")
                             .setFooter("接続元サーバー：" + ServerStore.getServerDisplayName())
                             .setColor(Color.ORANGE)
                             .build()
@@ -59,7 +59,7 @@ public void onPlayerLogin(PlayerLoginEvent e) {
                                 .setTitle("アクセス試行回数がしきい値を超えたので一時的にBANしました")
                                 .setDescription("BAN時間:" + kickcount + "分")
                                 .setFooter("接続元サーバー：" + ServerStore.getServerDisplayName())
-                                .setAuthor(name, null, "https://crafatar.com/avatars/" + uuid)
+                                .setAuthor(name, null, "https://crafatar.com/avatars/" + uuid + ".png")
                                 .setColor(Color.RED)
                                 .build()
                 ).queue();
@@ -81,7 +81,7 @@ public void onAsyncPlayerPreLogin(AsyncPlayerPreLoginEvent e) {
                             .setTitle("すでにBANされているプレイヤーがログインしようとしました")
                             .addField("プレイヤー名", "`"+name+"`", false)
                             .addField("UUID", String.valueOf(uuid), false)
-                            .setThumbnail("https://crafatar.com/avatars/" +uuid)
+                            .setThumbnail("https://crafatar.com/avatars/" + uuid + ".png")
                             .setFooter("接続元サーバー：" + ServerStore.getServerDisplayName())
                             .setColor(Color.YELLOW)
                             .build()