diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/ItemRendererFixOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/ItemRendererFixOverlay.java
index 38bff1355..35d1aa2d2 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/ItemRendererFixOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/ItemRendererFixOverlay.java
@@ -1,6 +1,7 @@
 package com.atsuishio.superbwarfare.client.overlay;
 
 import com.atsuishio.superbwarfare.Mod;
+import com.atsuishio.superbwarfare.item.gun.GunItem;
 import net.minecraft.client.DeltaTracker;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
@@ -8,11 +9,16 @@ import net.minecraft.client.gui.LayeredDraw;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemDisplayContext;
+import net.minecraft.world.item.ItemStack;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.api.distmarker.OnlyIn;
 
 import javax.annotation.ParametersAreNonnullByDefault;
 
+/**
+ * 这个类的作用是在看不见的地方渲染一个第三人称的武器模型，别管为啥这么干
+ * 反正删了这个绝对会出事
+ */
 @OnlyIn(Dist.CLIENT)
 public class ItemRendererFixOverlay implements LayeredDraw.Layer {
 
@@ -22,14 +28,15 @@ public class ItemRendererFixOverlay implements LayeredDraw.Layer {
     @ParametersAreNonnullByDefault
     public void render(GuiGraphics guiGraphics, DeltaTracker deltaTracker) {
         Minecraft mc = Minecraft.getInstance();
-        Player entity = mc.player;
+        Player player = mc.player;
+        if (player == null) return;
+        ItemStack stack = player.getMainHandItem();
+        if (!(stack.getItem() instanceof GunItem)) return;
 
-        if (entity != null) {
-            guiGraphics.pose().pushPose();
-            guiGraphics.pose().translate(-1145.0D, 0.0D, 0.0D);
-            mc.gameRenderer.itemInHandRenderer.renderItem(entity, entity.getMainHandItem(),
-                    ItemDisplayContext.THIRD_PERSON_RIGHT_HAND, false, guiGraphics.pose(), guiGraphics.bufferSource(), 0);
-            guiGraphics.pose().popPose();
-        }
+        guiGraphics.pose().pushPose();
+        guiGraphics.pose().translate(-1145.0D, 0.0D, 0.0D);
+        mc.gameRenderer.itemInHandRenderer.renderItem(player, stack,
+                ItemDisplayContext.THIRD_PERSON_RIGHT_HAND, false, guiGraphics.pose(), guiGraphics.bufferSource(), 0);
+        guiGraphics.pose().popPose();
     }
 }