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 37bceb9fc..4608cb16f 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/SpyglassRangeOverlay.java
@@ -98,9 +98,11 @@ public class SpyglassRangeOverlay implements LayeredDraw.Layer {
                     pos = Vec3.ZERO;
                 }
                 Vec3 point = VectorUtil.worldToScreen(pos);
-                float x = (float) point.x;
-                float y = (float) point.y;
-                preciseBlit(guiGraphics, INDICATOR, Mth.clamp(x - 6, 0, screenWidth - 12), Mth.clamp(y - 6, 0, screenHeight - 12), 0, 0, 12, 12, 12, 12);
+                if (VectorUtil.canSee(pos)) {
+                    float x = (float) point.x;
+                    float y = (float) point.y;
+                    preciseBlit(guiGraphics, INDICATOR, Mth.clamp(x - 6, 0, screenWidth - 12), Mth.clamp(y - 6, 0, screenHeight - 12), 0, 0, 12, 12, 12, 12);
+                }
 
                 // 火炮位置
 
@@ -111,10 +113,11 @@ public class SpyglassRangeOverlay implements LayeredDraw.Layer {
                     if (entity != null) {
                         Vec3 posF = entity.getBoundingBox().getCenter();
                         Vec3 pointF = VectorUtil.worldToScreen(posF);
-                        float xf = (float) pointF.x;
-                        float yf = (float) pointF.y;
-
-                        preciseBlit(guiGraphics, FRIENDLY_INDICATOR, Mth.clamp(xf - 6, 0, screenWidth - 12), Mth.clamp(yf - 6, 0, screenHeight - 12), 0, 0, 12, 12, 12, 12);
+                        if (VectorUtil.canSee(posF)) {
+                            float xf = (float) pointF.x;
+                            float yf = (float) pointF.y;
+                            preciseBlit(guiGraphics, FRIENDLY_INDICATOR, Mth.clamp(xf - 6, 0, screenWidth - 12), Mth.clamp(yf - 6, 0, screenHeight - 12), 0, 0, 12, 12, 12, 12);
+                        }
                     }
                 }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/VehicleTeamOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/VehicleTeamOverlay.java
index 24511d616..157f97320 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/VehicleTeamOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/VehicleTeamOverlay.java
@@ -105,7 +105,7 @@ public class VehicleTeamOverlay implements LayeredDraw.Layer {
         if (player.getVehicle() instanceof VehicleEntity) {
             List<Entity> entities = SeekTool.getPlayer(player, player.level());
             for (var e : entities) {
-                if (e != null && e != player && calculateAngle(e, camera) < VectorUtil.fov) {
+                if (e != null && e != player && VectorUtil.canSee(e.position())) {
                     Entity team = e;
                     if (e.getVehicle() != null) {
                         team = e.getVehicle();
diff --git a/src/main/java/com/atsuishio/superbwarfare/tools/VectorUtil.java b/src/main/java/com/atsuishio/superbwarfare/tools/VectorUtil.java
index f3832f0e0..26cb18635 100644
--- a/src/main/java/com/atsuishio/superbwarfare/tools/VectorUtil.java
+++ b/src/main/java/com/atsuishio/superbwarfare/tools/VectorUtil.java
@@ -1,5 +1,6 @@
 package com.atsuishio.superbwarfare.tools;
 
+import net.minecraft.client.Camera;
 import net.minecraft.client.Minecraft;
 import net.minecraft.world.phys.Vec3;
 import net.neoforged.api.distmarker.Dist;
@@ -48,4 +49,13 @@ public class VectorUtil {
             fov = event.getFOV();
         }
     }
+
+    public static boolean canSee(Vec3 pos) {
+        Minecraft mc = Minecraft.getInstance();
+        Camera camera = mc.gameRenderer.getMainCamera();
+        Vec3 cameraPos = camera.getPosition();
+        Vec3 viewVec = new Vec3(camera.getLookVector());
+        Vec3 v1 = cameraPos.vectorTo(pos);
+        return VectorTool.calculateAngle(v1, viewVec) < fov;
+    }
 }