diff --git a/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlock.java b/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlock.java
index baf2b3a..f6fc8d6 100644
--- a/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlock.java
+++ b/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlock.java
@@ -4,6 +4,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
+import net.minecraft.world.ItemInteractionResult;
 import net.minecraft.world.MenuProvider;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.Level;
@@ -25,11 +26,22 @@ public class NetworkPatternControllerBlock extends Block implements EntityBlock
     }
 
     @Override
-    public InteractionResult use(BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
-        if (!level.isClientSide) {
+    protected ItemInteractionResult useItemOn(net.minecraft.world.item.ItemStack heldItem, BlockState state, Level level,
+                                              BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
+        if (!level.isClientSide && player instanceof ServerPlayer sp) {
             BlockEntity be = level.getBlockEntity(pos);
-            if (be instanceof MenuProvider provider && player instanceof ServerPlayer sp) {
-                // 使用原生 API 打开界面；如需自定义数据传输，请在 Menu 构造中使用 BlockPos/Access 读取
+            if (be instanceof MenuProvider provider) {
+                sp.openMenu(provider);
+            }
+        }
+        return ItemInteractionResult.sidedSuccess(level.isClientSide);
+    }
+
+    @Override
+    protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hit) {
+        if (!level.isClientSide && player instanceof ServerPlayer sp) {
+            BlockEntity be = level.getBlockEntity(pos);
+            if (be instanceof MenuProvider provider) {
                 sp.openMenu(provider);
             }
         }
diff --git a/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlockEntity.java b/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlockEntity.java
index 0dff6a5..7f18aa4 100644
--- a/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlockEntity.java
+++ b/src/main/java/com/extendedae_plus/content/controller/NetworkPatternControllerBlockEntity.java
@@ -14,6 +14,7 @@ import net.minecraft.core.Direction;
 import net.minecraft.network.chat.Component;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.world.MenuProvider;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
@@ -49,14 +50,14 @@ public class NetworkPatternControllerBlockEntity extends BlockEntity implements
     }
 
     @Override
-    protected void saveAdditional(CompoundTag tag) {
-        super.saveAdditional(tag);
+    protected void saveAdditional(CompoundTag tag, HolderLookup.Provider registries) {
+        super.saveAdditional(tag, registries);
         this.managedNode.saveToNBT(tag);
     }
 
     @Override
-    public void load(CompoundTag tag) {
-        super.load(tag);
+    public void loadAdditional(CompoundTag tag, HolderLookup.Provider registries) {
+        super.loadAdditional(tag, registries);
         this.managedNode.loadFromNBT(tag);
     }
 
diff --git a/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlock.java b/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlock.java
index 0f0c9fc..92d20ca 100644
--- a/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlock.java
+++ b/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlock.java
@@ -5,6 +5,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.network.chat.Component;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.InteractionResult;
+import net.minecraft.world.ItemInteractionResult;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.Items;
 import net.minecraft.world.level.Level;
@@ -50,24 +51,25 @@ public class WirelessTransceiverBlock extends Block implements EntityBlock {
         super.attack(state, level, pos, player);
     }
 
+    // 1.21+: 拆分为 useItemOn 与 useWithoutItem
     @Override
-    public InteractionResult use(BlockState state, Level level, BlockPos pos, Player player, InteractionHand hand, BlockHitResult hit) {
-        if (level.isClientSide) {
-            return InteractionResult.SUCCESS;
-        }
+    protected ItemInteractionResult useItemOn(net.minecraft.world.item.ItemStack heldItem, BlockState state, Level level, BlockPos pos,
+                                              Player player, InteractionHand hand, BlockHitResult hit) {
         BlockEntity be = level.getBlockEntity(pos);
-        if (be instanceof WirelessTransceiverBlockEntity te) {
-            boolean sneaking = player.isShiftKeyDown();
-            if (sneaking) {
-                if (te.isLocked()) {
+        if (!(be instanceof WirelessTransceiverBlockEntity te)) {
+            return ItemInteractionResult.PASS_TO_DEFAULT_BLOCK_INTERACTION;
+        }
+
+        boolean sneaking = player.isShiftKeyDown();
+        if (sneaking) {
+            if (te.isLocked()) {
+                if (!level.isClientSide) {
                     player.displayClientMessage(Component.literal("收发器已锁定，无法修改频道"), true);
-                    return InteractionResult.CONSUME;
                 }
-                // 频率调节：主手 +1（或 +10），副手 -1（或 -10）
+            } else {
                 int step = 1;
-                // 手持红石火把：加10；手持木棍：减10（仅改变步长，不改变加/减方向）
-                if (player.getItemInHand(hand).is(Items.REDSTONE_TORCH)) step = 10;
-                if (player.getItemInHand(hand).is(Items.STICK)) step = 10;
+                if (heldItem.is(Items.REDSTONE_TORCH)) step = 10;
+                if (heldItem.is(Items.STICK)) step = 10;
 
                 long f = te.getFrequency();
                 if (hand == InteractionHand.MAIN_HAND) {
@@ -77,18 +79,61 @@ public class WirelessTransceiverBlock extends Block implements EntityBlock {
                     if (f < 0) f = 0;
                 }
                 te.setFrequency(f);
-                player.displayClientMessage(Component.literal("频道：" + te.getFrequency()), true);
-            } else {
-                if (te.isLocked()) {
-                    player.displayClientMessage(Component.literal("收发器已锁定，无法切换模式"), true);
-                    return InteractionResult.CONSUME;
+                if (!level.isClientSide) {
+                    player.displayClientMessage(Component.literal("频道：" + te.getFrequency()), true);
                 }
-                te.setMasterMode(!te.isMasterMode());
+            }
+            return ItemInteractionResult.sidedSuccess(level.isClientSide);
+        } else {
+            if (te.isLocked()) {
+                if (!level.isClientSide) {
+                    player.displayClientMessage(Component.literal("收发器已锁定，无法切换模式"), true);
+                }
+                return ItemInteractionResult.sidedSuccess(level.isClientSide);
+            }
+            te.setMasterMode(!te.isMasterMode());
+            if (!level.isClientSide) {
                 player.displayClientMessage(Component.literal(te.isMasterMode() ? "模式：主端" : "模式：从端"), true);
             }
-            return InteractionResult.CONSUME;
+            return ItemInteractionResult.sidedSuccess(level.isClientSide);
+        }
+    }
+
+    @Override
+    protected InteractionResult useWithoutItem(BlockState state, Level level, BlockPos pos, Player player, BlockHitResult hit) {
+        BlockEntity be = level.getBlockEntity(pos);
+        if (!(be instanceof WirelessTransceiverBlockEntity te)) {
+            return InteractionResult.PASS;
+        }
+        boolean sneaking = player.isShiftKeyDown();
+        if (sneaking) {
+            if (te.isLocked()) {
+                if (!level.isClientSide) {
+                    player.displayClientMessage(Component.literal("收发器已锁定，无法修改频道"), true);
+                }
+            } else {
+                long f = te.getFrequency();
+                // 空手交互：按主手逻辑 +1
+                f += 1;
+                te.setFrequency(f);
+                if (!level.isClientSide) {
+                    player.displayClientMessage(Component.literal("频道：" + te.getFrequency()), true);
+                }
+            }
+            return InteractionResult.sidedSuccess(level.isClientSide);
+        } else {
+            if (te.isLocked()) {
+                if (!level.isClientSide) {
+                    player.displayClientMessage(Component.literal("收发器已锁定，无法切换模式"), true);
+                }
+                return InteractionResult.sidedSuccess(level.isClientSide);
+            }
+            te.setMasterMode(!te.isMasterMode());
+            if (!level.isClientSide) {
+                player.displayClientMessage(Component.literal(te.isMasterMode() ? "模式：主端" : "模式：从端"), true);
+            }
+            return InteractionResult.sidedSuccess(level.isClientSide);
         }
-        return InteractionResult.PASS;
     }
 
     @Override
diff --git a/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlockEntity.java b/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlockEntity.java
index c8e4c6d..7fe978d 100644
--- a/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlockEntity.java
+++ b/src/main/java/com/extendedae_plus/content/wireless/WirelessTransceiverBlockEntity.java
@@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.core.HolderLookup;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
@@ -170,8 +171,8 @@ public class WirelessTransceiverBlockEntity extends BlockEntity implements IWire
 
     /* ===================== NBT ===================== */
     @Override
-    protected void saveAdditional(CompoundTag tag) {
-        super.saveAdditional(tag);
+    protected void saveAdditional(CompoundTag tag, HolderLookup.Provider registries) {
+        super.saveAdditional(tag, registries);
         tag.putLong("frequency", frequency);
         tag.putBoolean("master", masterMode);
         tag.putBoolean("locked", locked);
@@ -181,8 +182,8 @@ public class WirelessTransceiverBlockEntity extends BlockEntity implements IWire
     }
 
     @Override
-    public void load(CompoundTag tag) {
-        super.load(tag);
+    public void loadAdditional(CompoundTag tag, HolderLookup.Provider registries) {
+        super.loadAdditional(tag, registries);
         this.frequency = tag.getLong("frequency");
         this.masterMode = tag.getBoolean("master");
         this.locked = tag.getBoolean("locked");