diff --git a/apps/pm/views.py b/apps/pm/views.py
index 0d9f63cc..73903cf8 100644
--- a/apps/pm/views.py
+++ b/apps/pm/views.py
@@ -56,5 +56,6 @@ class MtaskViewSet(CustomModelViewSet):
         ids = request.data.get('ids', [])
         mtasks = Mtask.objects.filter(
             id__in=ids, parent=None, state=Mtask.MTASK_CREATED)
+        mtasks = mtasks | Mtask.objects.filter(parent__in=mtasks)
         mtasks.update(state=Mtask.MTASK_ASSGINED)
         return Response()
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index f4ffc9e8..7c1bdcfe 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -1,15 +1,17 @@
 from django.db import models
-from apps.system.models import BaseModel
-from apps.utils.models import CommonADModel, CommonBDModel
+from apps.utils.models import CommonADModel
 from apps.mtm.models import Mgroup, Team, Shift
 from django.utils.timezone import localtime
 
 # Create your models here.
+
+
 class StLog(CommonADModel):
     """
     停机记录
     """
-    mgroup = models.ForeignKey(Mgroup, verbose_name='关联工段', on_delete=models.CASCADE)
+    mgroup = models.ForeignKey(
+        Mgroup, verbose_name='关联工段', on_delete=models.CASCADE)
     start_time = models.DateTimeField('停机开始')
     end_time = models.DateTimeField('停机结束', null=True, blank=True)
     duration = models.FloatField('停机时长(h)', null=True, blank=True)
@@ -18,14 +20,19 @@ class StLog(CommonADModel):
 class SfLog(CommonADModel):
     """值班记录
     """
-    mgroup = models.ForeignKey(Mgroup, verbose_name='关联工段', on_delete=models.CASCADE) 
-    team = models.ForeignKey(Team, verbose_name='班组', on_delete=models.CASCADE, null=True, blank=True)
-    shift = models.ForeignKey(Shift, verbose_name='当班班次', on_delete=models.CASCADE)
-    leader = models.ForeignKey('system.user', verbose_name='班长', on_delete=models.CASCADE, null=True, blank=True)
+    mgroup = models.ForeignKey(
+        Mgroup, verbose_name='关联工段', on_delete=models.CASCADE)
+    team = models.ForeignKey(Team, verbose_name='班组',
+                             on_delete=models.CASCADE, null=True, blank=True)
+    shift = models.ForeignKey(
+        Shift, verbose_name='当班班次', on_delete=models.CASCADE)
+    leader = models.ForeignKey(
+        'system.user', verbose_name='班长', on_delete=models.CASCADE, null=True, blank=True)
     start_time = models.DateTimeField('值班开始')
     end_time = models.DateTimeField('值班结束')
     note = models.TextField('其他备注', null=True, blank=True)
-    stlogs = models.ManyToManyField('wpm.stlog', verbose_name='关联停机记录', through='wpm.sflogexp')
+    stlogs = models.ManyToManyField(
+        'wpm.stlog', verbose_name='关联停机记录', through='wpm.sflogexp')
     last_test_time = models.DateTimeField('最后质检时间', null=True, blank=True)
     total_hour_now = models.FloatField('总时长动', default=0)
     shut_hour = models.FloatField('停机时长', default=0)
@@ -39,12 +46,15 @@ class SfLog(CommonADModel):
         end_time_local = localtime(self.end_time)
         return end_time_local.year, end_time_local.month, end_time_local.day
 
+
 class SfLogExp(CommonADModel):
     """
     生产异常情况记录
     """
-    sflog = models.ForeignKey(SfLog, on_delete=models.CASCADE, verbose_name='关联值班记录')
-    stlog = models.ForeignKey(StLog, verbose_name='关联停机记录', on_delete=models.CASCADE, null=True, blank=True)
+    sflog = models.ForeignKey(
+        SfLog, on_delete=models.CASCADE, verbose_name='关联值班记录')
+    stlog = models.ForeignKey(
+        StLog, verbose_name='关联停机记录', on_delete=models.CASCADE, null=True, blank=True)
     title = models.CharField('异常名称', max_length=20)
     happen_time = models.DateTimeField('发生时间', null=True, blank=True)
     cate = models.CharField('原因类别', max_length=10, null=True, blank=True)
@@ -52,4 +62,4 @@ class SfLogExp(CommonADModel):
     measure = models.TextField('处置措施', default='', max_length=100)
     handler = models.CharField('处理人', default='', max_length=100)
     is_current_down = models.BooleanField('是否本班停机', default=False)
-    duration = models.FloatField('停机时长(h)', null=True, blank=True)
\ No newline at end of file
+    duration = models.FloatField('停机时长(h)', null=True, blank=True)