Update: untested

pom.xml

@@ -784,14 +784,6 @@
             <optional>true</optional>
         </dependency>
 
-        <!-- FastUtil -->
-        <!--        <dependency>-->
-        <!--            <groupId>it.unimi.dsi</groupId>-->
-        <!--            <artifactId>fastutil-core</artifactId>-->
-        <!--            <version>8.5.12</version>-->
-        <!--            <scope>provided</scope>-->
-        <!--        </dependency>-->
-
         <!-- ConfigMe -->
         <dependency>
             <groupId>ch.jalu</groupId>
@@ -806,7 +798,7 @@
             </exclusions>
         </dependency>
 
-        <!-- bStats metrics -->
+        <!-- bStats metrics  -->
         <dependency>
             <groupId>org.bstats</groupId>
             <artifactId>bstats-bukkit</artifactId>

src/main/java/fr/xephi/authme/AuthMe.java

@@ -43,6 +43,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.Server;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandSender;
+import org.bukkit.event.HandlerList;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -395,6 +396,7 @@ public class AuthMe extends JavaPlugin {
 
         // Disabled correctly
         Consumer<String> infoLogMethod = logger == null ? getLogger()::info : logger::info;
+        HandlerList.unregisterAll(this);
         infoLogMethod.accept("AuthMe " + this.getDescription().getVersion() + " is unloaded successfully!");
         ConsoleLogger.closeFileWriter();
     }

src/main/java/fr/xephi/authme/listener/BedrockAutoLoginListener.java

@@ -2,6 +2,7 @@ package fr.xephi.authme.listener;
 /* Inspired by DongShaoNB/BedrockPlayerSupport **/
 import fr.xephi.authme.AuthMe;
 import fr.xephi.authme.api.v3.AuthMeApi;
+import fr.xephi.authme.events.RestoreSessionEvent;
 import fr.xephi.authme.settings.properties.HooksSettings;
 import fr.xephi.authme.settings.properties.SecuritySettings;
 import org.bukkit.entity.Player;
@@ -37,4 +38,15 @@ public class BedrockAutoLoginListener implements Listener {
             player.sendMessage("§a基岩版自动登录完成!");
         }
     }
+
+    /* prevent sending duplicate messages */
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void onPlayerRestoreSession(RestoreSessionEvent event) {
+        Player player = event.getPlayer();
+        String name = event.getPlayer().getName();
+        UUID uuid = event.getPlayer().getUniqueId();
+        if (isBedrockPlayer(uuid) && !authmeApi.isAuthenticated(player) && authmeApi.isRegistered(name)) {
+            event.setCancelled(true);
+        }
+    }
 }

src/main/java/fr/xephi/authme/listener/LoginLocationFixListener.java

@@ -36,7 +36,6 @@ public class LoginLocationFixListener implements Listener {
                 materialPortal = Material.matchMaterial("NETHER_PORTAL");
             }
         }
-
     }
 
     @EventHandler