diff --git a/src/main/java/io/ib67/sfcraft/Commands.java b/src/main/java/io/ib67/sfcraft/Commands.java
index 4279a77..9e5b4f1 100644
--- a/src/main/java/io/ib67/sfcraft/Commands.java
+++ b/src/main/java/io/ib67/sfcraft/Commands.java
@@ -60,7 +60,7 @@ public final class Commands {
             player.teleport(wld, _pos.getX(), _pos.getY(), _pos.getZ(), 0, 0);
         } else {
             if (SFConsts.UNLIMITED_COMMAND_BACK.hasPermission(player)) {
-                player.teleport(wld, pos.pos().getX(), pos.pos().getY(), pos.pos().getZ(), 0, 0);
+                player.teleport(wld, _pos.getX(), _pos.getY(), _pos.getZ(), 0, 0);
                 return 0;
             }
             player.sendMessage(Text.of("周围没有玩家。").copy().withColor(Colors.RED));
diff --git a/src/main/java/io/ib67/sfcraft/SFConsts.java b/src/main/java/io/ib67/sfcraft/SFConsts.java
index abd185d..beb2dd3 100644
--- a/src/main/java/io/ib67/sfcraft/SFConsts.java
+++ b/src/main/java/io/ib67/sfcraft/SFConsts.java
@@ -9,8 +9,8 @@ public class SFConsts {
     public static final String SPECIAL_SUDO = "sfcraft.special.state.sudo";
     public static final Permission<PlayerEntity> USE_AT = ofSFCPermission("chat.at",true);
     public static final Permission<PlayerEntity> USE_BROADCAST_LOCATION = ofSFCPermission("chat.xyz",true);
-    public static final Permission<PlayerEntity> COMMAND_BACK = ofSFCPermission("command.home", true);
-    public static final Permission<PlayerEntity> UNLIMITED_COMMAND_BACK = ofSFCPermission("command.home.unlimited", false);
+    public static final Permission<PlayerEntity> COMMAND_BACK = ofSFCPermission("command.back", true);
+    public static final Permission<PlayerEntity> UNLIMITED_COMMAND_BACK = ofSFCPermission("command.back.unlimited", false);
 
     public static final Permission<PlayerEntity> COMMAND_ADDWL = ofSFCPermission("command.addwl", false);
     public static final Permission<PlayerEntity> COMMAND_UNBLOCKSERVER = ofSFCPermission("command.unblockserver", false);
diff --git a/src/main/java/io/ib67/sfcraft/event/longnight/LongNightEvent.java b/src/main/java/io/ib67/sfcraft/event/longnight/LongNightEvent.java
index b7b8e30..30cf451 100644
--- a/src/main/java/io/ib67/sfcraft/event/longnight/LongNightEvent.java
+++ b/src/main/java/io/ib67/sfcraft/event/longnight/LongNightEvent.java
@@ -1,9 +1,7 @@
 package io.ib67.sfcraft.event.longnight;
 
-import io.ib67.sfcraft.SFCraft;
 import io.ib67.sfcraft.event.RandomEvent;
 import lombok.RequiredArgsConstructor;
-import net.minecraft.server.world.ServerWorld;
 import net.minecraft.text.Text;
 import net.minecraft.util.Colors;
 import net.minecraft.world.GameRules;