修复进不去商店的问题

ActionTowerDefense/Assets/Scripts/UI/ShopUI.cs

@@ -149,8 +149,10 @@ public class ShopUI : MonoBehaviour
     public void DrawUIPolygon()
     {
         GameManager gameManager = GameManager.instance;
+        int maxTreasuresTag = gameManager.maxTreasuresTag;
+        if (maxTreasuresTag == -1) return;
         int range = polygonInitMax;
-        while (range <= gameManager.myTreasuresTag[gameManager.maxTreasuresTag])
+        while (range <= gameManager.myTreasuresTag[maxTreasuresTag])
         {
             range += polygonMaxInterval;
         }