Fix: retry PR series detection; can fail due to lag or potato pc

module/shop/shop_guild.py

@@ -114,10 +114,21 @@ class GuildShop(ShopBase, ShopUI):
         """
         group = item.group
         if group == 'pr':
-            for idx, btn in enumerate(SHOP_SELECT_PR):
+            postfix = None
-                if self.appear(btn, offset=(20, 20)):
+            for _ in range(3):
-                    postfix = f'{idx + 1}'
+                if _:
+                    self.device.sleep((0.3, 0.5))
+                    self.device.screenshot()
+
+                for idx, btn in enumerate(SHOP_SELECT_PR):
+                    if self.appear(btn, offset=(20, 20)):
+                        postfix = f'{idx + 1}'
+                        break
+
+                if postfix is not None:
                     break
+                logger.warning('Failed to detect PR series, '
+                               'app may be lagging or frozen')
         else:
             postfix = f'_{item.tier.upper()}'