diff --git a/apps/pm/services.py b/apps/pm/services.py
index e356d51e..dfddfff5 100644
--- a/apps/pm/services.py
+++ b/apps/pm/services.py
@@ -56,6 +56,10 @@ class PmService:
         """
         从大任务自动排产出小任务
         """
+        if utask.state != Utask.UTASK_CREATED:
+            raise ParseError('任务状态异常')
+        utask.sate = Utask.UTASK_DECOMPOSE
+        utask.save()
         number, product, count, start_date, end_date = utask.number, utask.material, utask.count, utask.start_date, utask.end_date
         # 计算相差天数
         rela_days = (end_date - start_date).days + 1
@@ -124,8 +128,6 @@ class PmService:
                                 'create_by': user,
                                 'update_by': user
                             })
-        utask.sate = Utask.UTASK_DECOMPOSE
-        utask.save()
 
     @classmethod
     def check_orderitems(cls, orderitems: QuerySet[OrderItem]):