diff --git a/OCH/shuttle/driver_weaknet/src/main/java/com/mogo/och/weaknet/model/LineModel.kt b/OCH/shuttle/driver_weaknet/src/main/java/com/mogo/och/weaknet/model/LineModel.kt
index 2d73f948a2..cff9cae763 100644
--- a/OCH/shuttle/driver_weaknet/src/main/java/com/mogo/och/weaknet/model/LineModel.kt
+++ b/OCH/shuttle/driver_weaknet/src/main/java/com/mogo/och/weaknet/model/LineModel.kt
@@ -208,7 +208,7 @@ object LineModel {
     @JvmStatic
     fun queryBusLineTasksById(lineId: Long) {
         RepositoryManager.queryCanUserTask(lineId)
-            .subscribe(object : Observer<List<TaskDataBean?>?> {
+            ?.subscribe(object : Observer<List<TaskDataBean?>?> {
                 override fun onSubscribe(d: Disposable) {
                     d(TAG, "onSubscribe")
                 }