diff --git a/webapp/services/CircuitRankingService.php b/webapp/services/CircuitRankingService.php
index 34c2c119..3c6a9603 100644
--- a/webapp/services/CircuitRankingService.php
+++ b/webapp/services/CircuitRankingService.php
@@ -208,6 +208,7 @@ class CircuitRankingService extends BaseService {
             myself()->_rspErr(1, '人数不足20');
             return;
         }
+        $maxScore = 0;
         //21-100之间的名次 塞入35名
         //101-200之间的名次 塞入40名
     }