diff --git a/campaign/campaign_war_archives/campaign_base.py b/campaign/campaign_war_archives/campaign_base.py
index 6c70ad3fa..89d571303 100644
--- a/campaign/campaign_war_archives/campaign_base.py
+++ b/campaign/campaign_war_archives/campaign_base.py
@@ -180,29 +180,13 @@ class CampaignBase(CampaignBase_):
         self._prev_oil = oil
         return checked
 
-    def auto_search_watch_oil(self, checked=False):
+    def _check_oil(self, oil):
         """
-        Watch oil.
-        This will set auto_search_oil_limit_triggered.
+        Override to check oil threshold of one battle before normal oil handling.
         """
-        if not checked:
-            oil = self.get_oil()
-            if oil == 0:
-                logger.warning('Oil not found')
-            else:
-                if self.check_oil_threshold(oil):
-                    self._interrupt = True
-                if oil < max(500, self.config.StopCondition_OilLimit):
-                    logger.info('Reach oil limit')
-                    self.auto_search_oil_limit_triggered = True
-                else:
-                    if self.auto_search_oil_limit_triggered:
-                        logger.warning('auto_search_oil_limit_triggered but oil recovered, '
-                                       'probably because of wrong OCR result before')
-                    self.auto_search_oil_limit_triggered = False
-                checked = True
-
-        return checked
+        if oil > 0 and self.check_oil_threshold(oil):
+            self._interrupt = True
+        super()._check_oil(oil)
 
     def auto_search_combat(self, emotion_reduce=None, fleet_index=1, battle=None):
         """
diff --git a/module/campaign/campaign_status.py b/module/campaign/campaign_status.py
index 618aa99c3..fb5255778 100644
--- a/module/campaign/campaign_status.py
+++ b/module/campaign/campaign_status.py
@@ -62,35 +62,6 @@ class CampaignStatus(UI):
             self.config.update()
         return pt
 
-    def get_coin(self, skip_first_screenshot=True, update=False):
-        """
-        Returns:
-            int: Coin amount
-        """
-        _coin = {}
-        timeout = Timer(1, count=2).start()
-        while 1:
-            if skip_first_screenshot:
-                skip_first_screenshot = False
-            else:
-                self.device.screenshot()
-
-            if timeout.reached():
-                logger.warning('Get coin timeout')
-                break
-
-            _coin = {
-                'Value': self._get_num(OCR_COIN, 'OCR_COIN', (239, 239, 239)),
-                'Limit': self._get_num(OCR_COIN_LIMIT, 'OCR_COIN_LIMIT', (239, 239, 239))
-            }
-            if _coin['Value'] >= 100:
-                break
-        LogRes(self.config).Coin = _coin
-        if update:
-            self.config.update()
-
-        return _coin['Value']
-
     def _get_num(self, _button, name, letter):
         # Update offset
         _ = self.appear(OCR_OIL_CHECK)
@@ -120,13 +91,33 @@ class CampaignStatus(UI):
 
         return ocr.ocr(self.device.image)
 
+    def _get_oil_limit(self):
+        if not hasattr(self, '_oil_limit_cache'):
+            limit = self._get_num(OCR_OIL_LIMIT, 'OCR_OIL_LIMIT', (247, 247, 247))
+            if 1000 < limit <= 25000:
+                self._oil_limit_cache = limit
+            else:
+                logger.warning(f'Invalid oil limit: {limit}')
+                return 0
+        return self._oil_limit_cache
+
+    def _get_coin_limit(self):
+        if not hasattr(self, '_coin_limit_cache'):
+            limit = self._get_num(OCR_COIN_LIMIT, 'OCR_COIN_LIMIT', (239, 239, 239))
+            if 10000 < limit <= 150000:
+                self._coin_limit_cache = limit
+            else:
+                logger.warning(f'Invalid coin limit: {limit}')
+                return 0
+        return self._coin_limit_cache
+
     def get_oil(self, skip_first_screenshot=True, update=False):
         """
         Returns:
             int: Oil amount
         """
-        _oil = {}
-        last = 0
+        oil = 0
+        last_oil = 0
         timeout = Timer(1, count=2).start()
         while 1:
             if skip_first_screenshot:
@@ -136,24 +127,40 @@ class CampaignStatus(UI):
 
             if not self.appear(OCR_OIL_CHECK, offset=(10, 2)):
                 logger.info('No oil icon')
-                self.device.sleep(1)
+                continue
 
             if timeout.reached():
                 logger.warning('Get oil timeout')
+                oil = 0
                 break
 
-            _oil = {
-                'Value': self._get_num(OCR_OIL, 'OCR_OIL', (247, 247, 247)),
-                'Limit': self._get_num(OCR_OIL_LIMIT, 'OCR_OIL_LIMIT', (247, 247, 247))
-            }
-            if last == _oil['Value'] and _oil['Value'] >= 100 and _oil['Limit'] <= 50000:
+            oil = self._get_num(OCR_OIL, 'OCR_OIL', (247, 247, 247))
+            if last_oil == oil and oil >= 100:
                 break
-            last = _oil['Value']
-        LogRes(self.config).Oil = _oil
+            last_oil = oil
+
+        if oil:
+            LogRes(self.config).Oil = {'Value': oil, 'Limit': self._get_oil_limit()}
         if update:
             self.config.update()
 
-        return _oil['Value']
+        return oil
+
+    def get_oil_and_coin(self, skip_first_screenshot=True, update=False):
+        """
+        Read oil and coin sharing a single screenshot.
+
+        Returns:
+            tuple[int, int]: (oil, coin)
+        """
+        oil = self.get_oil(skip_first_screenshot=skip_first_screenshot, update=False)
+        coin = 0
+        if oil:
+            coin = self._get_num(OCR_COIN, 'OCR_COIN', (239, 239, 239))
+            LogRes(self.config).Coin = {'Value': coin, 'Limit': self._get_coin_limit()}
+        if update:
+            self.config.update()
+        return oil, coin
 
     def is_balancer_task(self):
         """
diff --git a/module/campaign/run.py b/module/campaign/run.py
index bdfddcd44..c4b54e122 100644
--- a/module/campaign/run.py
+++ b/module/campaign/run.py
@@ -99,8 +99,7 @@ class CampaignRun(CampaignEvent, ShopStatus):
         # Oil limit
         if oil_check:
             self.status_get_gems()
-            self.get_coin()
-            _oil = self.get_oil()
+            _oil, _ = self.get_oil_and_coin()
             if _oil < max(500, self.config.StopCondition_OilLimit):
                 logger.hr('Triggered stop condition: Oil limit')
                 self.config.task_delay(minute=60)
diff --git a/module/combat/auto_search_combat.py b/module/combat/auto_search_combat.py
index 5e6689e51..bce061fac 100644
--- a/module/combat/auto_search_combat.py
+++ b/module/combat/auto_search_combat.py
@@ -121,52 +121,51 @@ class AutoSearchCombat(MapOperation, Combat, CampaignStatus):
 
         return checked
 
-    def auto_search_watch_oil(self, checked=False):
+    def _check_oil(self, oil):
         """
-        Watch oil.
-        This will set auto_search_oil_limit_triggered.
+        Check oil threshold and set auto_search_oil_limit_triggered.
+        """
+        if oil == 0:
+            logger.warning('Oil not found')
+            return
+        if oil < max(500, self.config.StopCondition_OilLimit):
+            logger.info('Reach oil limit')
+            self.auto_search_oil_limit_triggered = True
+        else:
+            if self.auto_search_oil_limit_triggered:
+                logger.warning('auto_search_oil_limit_triggered but oil recovered, '
+                               'probably because of wrong OCR result before')
+            self.auto_search_oil_limit_triggered = False
+
+    def _check_coin(self, coin):
+        """
+        Check coin threshold and set auto_search_coin_limit_triggered.
+        """
+        if coin == 0:
+            logger.warning('Coin not found')
+            return
+        limit = self.config.TaskBalancer_CoinLimit
+        if self.is_balancer_task():
+            if coin < limit:
+                logger.info('Reach coin limit')
+                self.auto_search_coin_limit_triggered = True
+            else:
+                self.auto_search_coin_limit_triggered = False
+        else:
+            if self.auto_search_coin_limit_triggered:
+                logger.warning('auto_search_coin_limit_triggered but coin recovered, '
+                               'probably because of wrong OCR result before')
+            self.auto_search_coin_limit_triggered = False
+
+    def auto_search_watch_resources(self, checked=False):
+        """
+        Watch oil and coin sharing a single screenshot.
         """
         if not checked:
-            oil = self.get_oil()
-            if oil == 0:
-                logger.warning('Oil not found')
-            else:
-                if oil < max(500, self.config.StopCondition_OilLimit):
-                    logger.info('Reach oil limit')
-                    self.auto_search_oil_limit_triggered = True
-                else:
-                    if self.auto_search_oil_limit_triggered:
-                        logger.warning('auto_search_oil_limit_triggered but oil recovered, '
-                                       'probably because of wrong OCR result before')
-                    self.auto_search_oil_limit_triggered = False
-                checked = True
-
-        return checked
-
-    def auto_search_watch_coin(self, checked=False):
-        """
-        Watch coin.
-        This will set auto_search_coin_limit_triggered.
-        """
-        if not checked:
-            limit = self.config.TaskBalancer_CoinLimit
-            coin = self.get_coin()
-            if coin == 0:
-                logger.warning('Coin not found')
-            else:
-                if self.is_balancer_task():
-                    if coin < limit:
-                        logger.info('Reach coin limit')
-                        self.auto_search_coin_limit_triggered = True
-                    else:
-                        # Enough coin
-                        self.auto_search_coin_limit_triggered = False
-                else:
-                    if self.auto_search_coin_limit_triggered:
-                        logger.warning('auto_search_coin_limit_triggered but coin recovered, '
-                                       'probably because of wrong OCR result before')
-                    self.auto_search_coin_limit_triggered = False
-                checked = True
+            oil, coin = self.get_oil_and_coin()
+            self._check_oil(oil)
+            self._check_coin(coin)
+            checked = True
 
         return checked
 
@@ -198,15 +197,13 @@ class AutoSearchCombat(MapOperation, Combat, CampaignStatus):
         logger.info('Auto search moving')
         self.device.stuck_record_clear()
         checked_fleet = False
-        checked_oil = False
-        checked_coin = False
+        checked_resources = False
         for _ in self.loop():
 
             if self.is_auto_search_running():
                 checked_fleet = self.auto_search_watch_fleet(checked_fleet)
-                if not checked_oil or not checked_coin:
-                    checked_oil = self.auto_search_watch_oil(checked_oil)
-                    checked_coin = self.auto_search_watch_coin(checked_coin)
+                if not checked_resources:
+                    checked_resources = self.auto_search_watch_resources(checked_resources)
             if self.handle_retirement():
                 self.map_offensive_auto_search()
                 # Map offensive ends at is_combat_loading