fix(怪物): 修复对象池复用导致怪物无限放大的问题

记录预制体初始缩放值，避免重复乘算

assets/script/game/hero/Mon.ts

@@ -136,6 +136,8 @@ export class Monster extends ecs.Entity {
         if (!node) {
             var prefab: Prefab = oops.res.get(path, Prefab)!;
             node = instantiate(prefab);
+            // 记录预制体的初始缩放值，防止对象池复用时累乘导致无限变大
+            (node as any)._baseScale = node.scale.clone();
         }
 
         // 统一挂到实体显示层 HERO 节点下
@@ -147,7 +149,8 @@ export class Monster extends ecs.Entity {
             collider.enabled = false;
         }
         
-        node.setScale(size*node.scale.x,size*node.scale.y);
+        let baseScale = (node as any)._baseScale || v3(1, 1, 1);
+        node.setScale(size * baseScale.x, size * baseScale.y);
         node.setPosition(pos)
         const model = this.get(HeroAttrsComp);
         // 从配置表获取怪物静态数据