diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java
index 2a9d0ee7d..1d18a0bc5 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java
@@ -59,9 +59,9 @@ public class SpyglassRangeOverlay implements LayeredDraw.Layer {
         var screenWidth = guiGraphics.guiWidth();
         var screenHeight = guiGraphics.guiHeight();
 
-        if ((player.getMainHandItem().is(ModItems.ARTILLERY_INDICATOR.get()) || player.isScoping()) && Minecraft.getInstance().options.getCameraType() == CameraType.FIRST_PERSON) {
-            if (player.getMainHandItem().is(ModItems.ARTILLERY_INDICATOR.get())) {
-                ItemStack stack = player.getMainHandItem();
+        if (((player.isUsingItem() && player.getUseItem().is(ModItems.ARTILLERY_INDICATOR.get())) || player.isScoping()) && mc.options.getCameraType() == CameraType.FIRST_PERSON) {
+            if (player.getUseItem().is(ModItems.ARTILLERY_INDICATOR.get())) {
+                ItemStack stack = player.getUseItem();
                 poseStack.pushPose();
                 RenderSystem.disableDepthTest();
                 RenderSystem.depthMask(false);
@@ -79,9 +79,7 @@ public class SpyglassRangeOverlay implements LayeredDraw.Layer {
                 float k = ((screenWidth - i) / 2);
                 float l = ((screenHeight - j) / 2);
                 float w = i * 21 / 9;
-                if (player.isUsingItem()) {
-                    preciseBlit(guiGraphics, Mod.loc("textures/screens/spyglass.png"), k - (2 * w / 7), l, 0, 0.0F, w, j, w, j);
-                }
+                preciseBlit(guiGraphics, Mod.loc("textures/screens/spyglass.png"), k - (2 * w / 7), l, 0, 0.0F, w, j, w, j);
 
                 // 标记位置
                 Vec3 pos;
@@ -117,16 +115,12 @@ public class SpyglassRangeOverlay implements LayeredDraw.Layer {
                     }
                 }
 
-                if (ClientEventHandler.holdArtilleryIndicator > 0) {
-                    RenderHelper.fill(guiGraphics, RenderType.guiOverlay(), (float) screenWidth / 2 - 20, (float) (screenHeight / 2 + 44), (float) screenWidth / 2 + 20, (float) screenHeight / 2 + 48, -90, -16777216);
-                    RenderHelper.fill(guiGraphics, RenderType.guiOverlay(), (float) screenWidth / 2 - 20, (float) (screenHeight / 2 + 44), (float) (screenWidth / 2 - 20 + 4 * ClientEventHandler.holdArtilleryIndicator), (float) screenHeight / 2 + 48, -90, -1);
-                }
+                RenderHelper.fill(guiGraphics, RenderType.guiOverlay(), (float) screenWidth / 2 - 20, (float) (screenHeight / 2 + 44), (float) screenWidth / 2 + 20, (float) screenHeight / 2 + 48, -90, -16777216);
+                RenderHelper.fill(guiGraphics, RenderType.guiOverlay(), (float) screenWidth / 2 - 20, (float) (screenHeight / 2 + 44), (float) (screenWidth / 2 - 20 + 4 * ClientEventHandler.holdArtilleryIndicator), (float) screenHeight / 2 + 48, -90, -1);
 
                 poseStack.popPose();
             }
 
-            // vehicle info display
-
             boolean lookAtEntity = false;
 
             BlockHitResult result = player.level().clip(new ClipContext(player.getEyePosition(), player.getEyePosition().add(player.getViewVector(1).scale(512)),