断点判断

Backend/sample/src/main/java/com/dji/sample/wayline/service/impl/WaylineBreakPointServiceImpl.java

@@ -36,7 +36,10 @@ public class WaylineBreakPointServiceImpl implements IWaylineBreakPointService {
         wrapper.eq(WaylineBreakPointEntity::getFlightId,jobId)
                 .orderByDesc(WaylineBreakPointEntity::getCreateTime);
         List<WaylineBreakPointEntity> list = mapper.selectList(wrapper);
-        return list.get(0);
+        if(list.size() > 0) {
+            return list.get(0);
+        }
+        return null;
     }