diff --git a/src/main/java/com/extendedae_plus/ae/wireless/LabelNetworkRegistry.java b/src/main/java/com/extendedae_plus/ae/wireless/LabelNetworkRegistry.java
index 116e286..d7d1491 100644
--- a/src/main/java/com/extendedae_plus/ae/wireless/LabelNetworkRegistry.java
+++ b/src/main/java/com/extendedae_plus/ae/wireless/LabelNetworkRegistry.java
@@ -55,11 +55,11 @@ public class LabelNetworkRegistry extends SavedData {
     }
 
     /**
-     * 规范化标签：trim + toLowerCase。
+     * 规范化标签：trim；保持大小写敏感。
      */
     public static String normalizeLabel(String raw) {
         if (raw == null) return null;
-        String t = raw.trim().toLowerCase(Locale.ROOT);
+        String t = raw.trim();
         if (t.isEmpty()) return null;
         if (t.length() > 64) {
             t = t.substring(0, 64);
diff --git a/src/main/java/com/extendedae_plus/client/screen/LabeledWirelessTransceiverScreen.java b/src/main/java/com/extendedae_plus/client/screen/LabeledWirelessTransceiverScreen.java
index d66c821..4049de2 100644
--- a/src/main/java/com/extendedae_plus/client/screen/LabeledWirelessTransceiverScreen.java
+++ b/src/main/java/com/extendedae_plus/client/screen/LabeledWirelessTransceiverScreen.java
@@ -266,13 +266,13 @@ public class LabeledWirelessTransceiverScreen extends AbstractContainerScreen<La
 
     private void applyFilter() {
         String prevSelected = lastSelectedLabel;
-        String q = searchBox.getValue() == null ? "" : searchBox.getValue().trim().toLowerCase();
+        String q = searchBox.getValue() == null ? "" : searchBox.getValue().trim();
         filtered.clear();
         if (q.isEmpty()) {
             filtered.addAll(entries);
         } else {
             for (LabelEntry e : entries) {
-                if (e.label().toLowerCase().contains(q)) {
+                if (e.label().contains(q)) {
                     filtered.add(e);
                 }
             }
diff --git a/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlock.java b/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlock.java
index 55de1cf..4b81e70 100644
--- a/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlock.java
+++ b/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlock.java
@@ -16,7 +16,7 @@ import net.minecraft.world.level.block.entity.BlockEntityTicker;
 import net.minecraft.world.level.block.entity.BlockEntityType;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.StateDefinition;
-import net.minecraft.world.level.block.state.properties.IntegerProperty;
+import net.minecraft.world.level.block.state.properties.BooleanProperty;
 import net.minecraft.world.phys.BlockHitResult;
 import net.minecraftforge.network.NetworkHooks;
 import org.jetbrains.annotations.Nullable;
@@ -26,11 +26,11 @@ import org.jetbrains.annotations.Nullable;
  * 取消所有徒手/道具调节，只允许右键打开后续 UI（当前仅占位返回 SUCCESS）。
  */
 public class LabeledWirelessTransceiverBlock extends Block implements EntityBlock {
-    public static final IntegerProperty STATE = IntegerProperty.create("state", 0, 5);
+    public static final BooleanProperty STATE = BooleanProperty.create("state");
 
     public LabeledWirelessTransceiverBlock(Properties props) {
         super(props);
-        this.registerDefaultState(this.stateDefinition.any().setValue(STATE, 5));
+        this.registerDefaultState(this.stateDefinition.any().setValue(STATE, false));
     }
 
     @Override
diff --git a/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlockEntity.java b/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlockEntity.java
index 0c1a43e..5341212 100644
--- a/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlockEntity.java
+++ b/src/main/java/com/extendedae_plus/content/wireless/LabeledWirelessTransceiverBlockEntity.java
@@ -223,28 +223,18 @@ public class LabeledWirelessTransceiverBlockEntity extends AEBaseBlockEntity imp
         }
 
         IGridNode node = this.getGridNode();
-        int newState = 5; // 默认无连接
-
+        boolean online = false;
         if (node != null && node.isActive()) {
-            int usedChannels = 0;
-            for (var connection : node.getConnections()) {
-                usedChannels = Math.max(connection.getUsedChannels(), usedChannels);
-            }
-            if (usedChannels >= 32) {
-                newState = 4;
-            } else if (usedChannels >= 24) {
-                newState = 3;
-            } else if (usedChannels >= 16) {
-                newState = 2;
-            } else if (usedChannels >= 8) {
-                newState = 1;
-            } else if (usedChannels >= 0) {
-                newState = 0;
+            try {
+                var grid = node.getGrid();
+                online = grid != null && grid.getEnergyService().isNetworkPowered();
+            } catch (Throwable ignored) {
+                online = false;
             }
         }
 
-        if (currentState.getValue(LabeledWirelessTransceiverBlock.STATE) != newState) {
-            this.level.setBlock(this.worldPosition, currentState.setValue(LabeledWirelessTransceiverBlock.STATE, newState), 3);
+        if (currentState.getValue(LabeledWirelessTransceiverBlock.STATE) != online) {
+            this.level.setBlock(this.worldPosition, currentState.setValue(LabeledWirelessTransceiverBlock.STATE, online), 3);
         }
     }
 
diff --git a/src/main/resources/assets/extendedae_plus/blockstates/labeled_wireless_transceiver.json b/src/main/resources/assets/extendedae_plus/blockstates/labeled_wireless_transceiver.json
new file mode 100644
index 0000000..8fa674d
--- /dev/null
+++ b/src/main/resources/assets/extendedae_plus/blockstates/labeled_wireless_transceiver.json
@@ -0,0 +1,10 @@
+{
+  "variants": {
+    "state=false": {
+      "model": "extendedae_plus:block/wirelesstransceiver/lable_wireless_transceiver_off"
+    },
+    "state=true": {
+      "model": "extendedae_plus:block/wirelesstransceiver/lable_wireless_transceiver_on"
+    }
+  }
+}
diff --git a/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_off.json b/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_off.json
new file mode 100644
index 0000000..c7f095b
--- /dev/null
+++ b/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_off.json
@@ -0,0 +1,7 @@
+{
+  "parent": "minecraft:block/cube_all",
+  "textures": {
+    "all": "extendedae_plus:block/wireless_transceiver/lable_wireless_transceiver_off"
+  }
+}
+
diff --git a/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_on.json b/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_on.json
new file mode 100644
index 0000000..601d4c4
--- /dev/null
+++ b/src/main/resources/assets/extendedae_plus/models/block/wirelesstransceiver/lable_wireless_transceiver_on.json
@@ -0,0 +1,7 @@
+{
+  "parent": "minecraft:block/cube_all",
+  "textures": {
+    "all": "extendedae_plus:block/wireless_transceiver/lable_wireless_transceiver_on"
+  }
+}
+
diff --git a/src/main/resources/assets/extendedae_plus/models/item/labeled_wireless_transceiver.json b/src/main/resources/assets/extendedae_plus/models/item/labeled_wireless_transceiver.json
new file mode 100644
index 0000000..704d1b0
--- /dev/null
+++ b/src/main/resources/assets/extendedae_plus/models/item/labeled_wireless_transceiver.json
@@ -0,0 +1,3 @@
+{
+  "parent": "extendedae_plus:block/wirelesstransceiver/lable_wireless_transceiver_off"
+}
diff --git a/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_off.png b/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_off.png
new file mode 100644
index 0000000..701f0fc
Binary files /dev/null and b/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_off.png differ
diff --git a/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_on.png b/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_on.png
new file mode 100644
index 0000000..906f82d
Binary files /dev/null and b/src/main/resources/assets/extendedae_plus/textures/block/wireless_transceiver/lable_wireless_transceiver_on.png differ