diff --git a/OCH/mogo-och-sweeper/src/main/java/com/mogo/och/sweeper/model/SweeperTaskModel.java b/OCH/mogo-och-sweeper/src/main/java/com/mogo/och/sweeper/model/SweeperTaskModel.java
index fc8c8f2084..830675e8b4 100644
--- a/OCH/mogo-och-sweeper/src/main/java/com/mogo/och/sweeper/model/SweeperTaskModel.java
+++ b/OCH/mogo-och-sweeper/src/main/java/com/mogo/och/sweeper/model/SweeperTaskModel.java
@@ -353,6 +353,11 @@ public class SweeperTaskModel {
 
     //根据围栏判断，是否到达子任务终点
     private void judgeArrivedStation(MogoLocation location) {
+        if (mCurrentSubTaskDetail == null) {
+            Log.d(TAG, "行程日志-judgeArrivedStation() mCurrentSubTaskDetail is null");
+            CallerLogger.INSTANCE.d(TAG, "行程日志-judgeArrivedStation() mCurrentSubTaskDetail is null");
+            return;
+        }
         double endSiteLon = mCurrentSubTaskDetail.getEndSiteLon();
         double endSiteLat = mCurrentSubTaskDetail.getEndSiteLat();
         double distance = CoordinateUtils.calculateLineDistance(