优化回声描边逻辑

unity/Assets/2.5D Engine/Scripts/SwordAttack.cs

@@ -48,8 +48,10 @@ namespace IndianOceanAssets.Engine2_5D
         public void Slash()
         {
             // Play particle and sound effects
-            swordSlashParticle.Play();
-            swordSlashSFX.Play();
+            if (swordSlashParticle != null)
+                swordSlashParticle.Play();
+            if (swordSlashSFX != null)
+                swordSlashSFX.Play();
 
             // Detect and damage enemies within the slash radius
             Collider[] enemies = Physics.OverlapSphere(attackPos.position, slashRadius, whatIsEnemy);
@@ -57,7 +59,11 @@ namespace IndianOceanAssets.Engine2_5D
             {
                 foreach (var E in enemies)
                 {
-                    E.GetComponent<HealthSystem>().Damage(damageAmount);
+                    HealthSystem health = E.GetComponent<HealthSystem>();
+                    if (health != null)
+                    {
+                        health.Damage(damageAmount);
+                    }
                 }
             }
 
@@ -67,7 +73,11 @@ namespace IndianOceanAssets.Engine2_5D
             {
                 foreach (var P in plantation)
                 {
-                    P.GetComponent<Plantation>().Cut();
+                    Plantation plant = P.GetComponent<Plantation>();
+                    if (plant != null)
+                    {
+                        plant.Cut();
+                    }
                 }
             }
         }