diff --git a/webapp/services/BattleBoxService.php b/webapp/services/BattleBoxService.php
index 9cf4ec0b..fb67b27f 100644
--- a/webapp/services/BattleBoxService.php
+++ b/webapp/services/BattleBoxService.php
@@ -68,6 +68,11 @@ class BattleBoxService {
             $yesterDayDropLastTime = self::getDailyPhaseDropLastTime($currPhase, $yesterDayTime);
             $yesterDayDropTotal = self::getDailyPhaseDropTotalNum($currPhase, $yesterDayTime);
             $yesterDayAllocNum = self::getDailyPhaseAllocNum($currPhase, $yesterDayTime);
+            error_log(json_encode(array(
+                'yesterDayDropLastTime' => $yesterDayDropLastTime,
+                'yesterDayDropTotal' => $yesterDayDropTotal,
+                'yesterDayAllocNum' => $yesterDayAllocNum,
+            )));
             if ($yesterDayAllocNum <= 0) {
                 $allocableNum = $maxNum;
             } else {