diff --git a/webapp/services/BattleBoxService.php b/webapp/services/BattleBoxService.php
index aa7da1ff..002f0d75 100644
--- a/webapp/services/BattleBoxService.php
+++ b/webapp/services/BattleBoxService.php
@@ -37,7 +37,7 @@ class BattleBoxService {
         $alreadyAllocNum = self::getDailyPhaseAlreadyAllocNum($currPhase, myself()->_getNowDaySeconds());
         if ($allocableNum <= 0) {
             $yesterDayTime = myself()->_getNowDaySeconds() - 3600 * 24;
-            $yesterDayLastDropTime = self::getDailyPhaseDropLastTime($currPhase, $yesterDayTime);
+            $yesterDayDropLastTime = self::getDailyPhaseDropLastTime($currPhase, $yesterDayTime);
             $yesterDayDropTotal = self::getDailyPhaseDropTotalNum($currPhase, $yesterDayTime);
             $yesterDayAllocNum = self::getDailyPhaseAllocNum($currPhase, $yesterDayTime);
             if ($yesterDayAllocNum <= 0) {
@@ -45,9 +45,15 @@ class BattleBoxService {
             } else {
                 if ($yesterDayDropTotal >= $yesterDayAllocNum) {
                     //掉完了
-                    $costTime = 0;
+                    $costTime = myself()->_getDaySecondsOffset($yesterDayDropLastTime) - $startTime;
+                    if ($costTime <= 0) {
+                        $completionDegree = 1;
+                    } else {
+                        $completionDegree = ($endTime - $startTime) / $costTime;
+                    }
                 } else {
                     //没掉完
+                    $completionDegree = $yesterDayDropTotal / $yesterDayAllocNum;
                 }
             }
             if ($allocableNum) {