diff --git a/DungeonShooting_Godot/resource/material/Blend.gdshader b/DungeonShooting_Godot/resource/material/Blend.gdshader
index a40db2f..f83601b 100644
--- a/DungeonShooting_Godot/resource/material/Blend.gdshader
+++ b/DungeonShooting_Godot/resource/material/Blend.gdshader
@@ -21,6 +21,7 @@
 void fragment() {
 	//显示轮廓
 	if (show_outline) {
+		vec4 color = texture(TEXTURE, UV);
 		vec2 size = TEXTURE_PIXEL_SIZE;
 		float outline;
 		outline = texture(TEXTURE, UV + vec2(-size.x, 0)).a;
@@ -29,18 +30,19 @@
 		outline += texture(TEXTURE, UV + vec2(0, -size.y)).a;
 		outline = min(outline, 1.0);
 		
-		vec4 animated_line_color = vec4(
-			light_offset + sin(2.0 * 3.14 * frequency * TIME),
-			light_offset + sin(2.0 * 3.14 * frequency * TIME + radians(120.0)),
-			light_offset + sin(2.0 * 3.14 * frequency * TIME + radians(240.0)),
-			1.0
-		);
-		
-		vec4 color = texture(TEXTURE, UV);
-		if (outline_rainbow){
-			COLOR = mix(color, animated_line_color, outline - color.a);
-		} else {
-			COLOR = mix(color, outline_color , outline - color.a);
+		if (color.a == 0.0 && outline > 0.0) {
+			vec4 animated_line_color = vec4(
+				light_offset + sin(2.0 * 3.14 * frequency * TIME),
+				light_offset + sin(2.0 * 3.14 * frequency * TIME + radians(120.0)),
+				light_offset + sin(2.0 * 3.14 * frequency * TIME + radians(240.0)),
+				1.0
+			);
+
+			if (outline_rainbow){
+				COLOR = mix(color, animated_line_color, 1);
+			} else {
+				COLOR = mix(color, outline_color , 1);
+			}
 		}
 	}
 	
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet0001.png b/DungeonShooting_Godot/resource/sprite/bullet/bullet0001.png
index fb6ccea..afa441e 100644
--- a/DungeonShooting_Godot/resource/sprite/bullet/bullet0001.png
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet0001.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet0002.png b/DungeonShooting_Godot/resource/sprite/bullet/bullet0002.png
index ce0577e..fc38c20 100644
--- a/DungeonShooting_Godot/resource/sprite/bullet/bullet0002.png
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet0002.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet0003.png b/DungeonShooting_Godot/resource/sprite/bullet/bullet0003.png
index 6478bfa..cbda060 100644
--- a/DungeonShooting_Godot/resource/sprite/bullet/bullet0003.png
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet0003.png
Binary files differ
diff --git a/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png
index 3cea799..964f292 100644
--- a/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png
+++ b/DungeonShooting_Godot/resource/sprite/bullet/bullet2.png
Binary files differ
diff --git a/DungeonShooting_Godot/src/game/activity/bullet/Bullet.cs b/DungeonShooting_Godot/src/game/activity/bullet/Bullet.cs
index bfba9fb..743708a 100644
--- a/DungeonShooting_Godot/src/game/activity/bullet/Bullet.cs
+++ b/DungeonShooting_Godot/src/game/activity/bullet/Bullet.cs
@@ -51,7 +51,7 @@
     /// <param name="position">位置</param>
     /// <param name="rotation">角度</param>
     /// <param name="targetLayer">攻击目标层级</param>
-    public void Init(Role trigger,Weapon weapon, float speed, float maxDistance, Vector2 position, float rotation, uint targetLayer)
+    public void Init(Role trigger, Weapon weapon, float speed, float maxDistance, Vector2 position, float rotation, uint targetLayer)
     {
         Weapon = weapon;
         Role = weapon.Master;
@@ -71,8 +71,14 @@
         Position = position;
         Rotation = rotation;
         ShadowOffset = new Vector2(0, 5);
-
         BasisVelocity = new Vector2(FlySpeed, 0).Rotated(Rotation);
+        
+        //如果子弹会对玩家造成伤害, 则显示红色描边
+        if (Player.Current.CollisionWithMask(targetLayer))
+        {
+            ShowOutline = true;
+            OutlineColor = new Color(1, 0, 0, 0.9f);
+        }
     }
 
     protected override void PhysicsProcessOver(float delta)