加入很多新内容，这波一块交了

Assets/scripts/Combat/AllyCombatant.cs

@@ -15,6 +15,7 @@ using TMPro;
 /// </summary>
 public class AllyCombatant : MonoBehaviour, ICombatant
 {
+    private static AllyHero_SO[] cachedAllAllyHeroes;
     public int slotIndex = 0; // Documentation text normalized.
 
     // runtime stats
@@ -989,8 +990,8 @@ public class AllyCombatant : MonoBehaviour, ICombatant
 
         if (id > 0)
         {
-            var all = Resources.LoadAll<AllyHero_SO>("");
-            foreach (var a in all)
+            EnsureAllyHeroCache();
+            foreach (var a in cachedAllAllyHeroes)
             {
                 if (a != null && a.ally_heroID == id)
                 {
@@ -1049,6 +1050,12 @@ public class AllyCombatant : MonoBehaviour, ICombatant
         }
     }
 
+    private static void EnsureAllyHeroCache()
+    {
+        if (cachedAllAllyHeroes != null) return;
+        cachedAllAllyHeroes = Resources.LoadAll<AllyHero_SO>("") ?? Array.Empty<AllyHero_SO>();
+    }
+
     // Documentation text normalized.
     private static AllyHero_SO.AllyLevelInfo GetEffectiveLevelForExp(AllyHero_SO so, int exp)
     {