diff --git a/hb_server/apps/pm/models.py b/hb_server/apps/pm/models.py
index 539d523..d9bf331 100644
--- a/hb_server/apps/pm/models.py
+++ b/hb_server/apps/pm/models.py
@@ -29,7 +29,7 @@ class ProductionPlan(CommonAModel):
     count_ok = models.PositiveIntegerField('合格数', default=0)
     start_date = models.DateField('计划开工日期')
     end_date = models.DateField('计划完工日期')
-    process_json = models.JSONField('按工序的统计数', default=list, null=True, blank=True)
+    process_json = models.JSONField('按工序的统计数', default=dict, null=True, blank=True)
     is_planed = models.BooleanField('是否已排产', default=False)
     class Meta:
         verbose_name = '生产计划'
diff --git a/hb_server/apps/pm/services.py b/hb_server/apps/pm/services.py
index c308f1f..abcf581 100644
--- a/hb_server/apps/pm/services.py
+++ b/hb_server/apps/pm/services.py
@@ -1,10 +1,27 @@
+from django.db.models.aggregates import Sum
 from apps.pm.models import ProductionPlan, SubProductionPlan
+import math
 class PmService:
 
     @classmethod
     def update_plan_process_json(cls, plan:ProductionPlan):
         """
-        更新计划统计字段
+        更新计划按工序统计字段
         """
         ret = {}
-        subplans = SubProductionPlan.objects.filter()
\ No newline at end of file
+        subplans = SubProductionPlan.objects.filter(production_plan=plan, is_deleted=False)
+        qs = subplans.values('process', 'process__name', 'process_number').annotate(count=Sum('main_count'), 
+        count_real=Sum('main_count_real'), count_ok=Sum('main_count_ok'))
+        qs_list = list(qs)
+        for i in qs_list:
+            ret[i['process_number']] = {
+                'count':i['count'],
+                'count_real':i['count_real'],
+                'count_ok':i['count_ok'],
+                'rate': round((i['count_ok']/i['count_real'])*100,2) if i['count_real'] > 0 else 0
+            }
+        plan.process_json = ret
+        plan.save()
+        
+
+        
diff --git a/hb_server/apps/pm/signals.py b/hb_server/apps/pm/signals.py
index bed7671..b3cc7bb 100644
--- a/hb_server/apps/pm/signals.py
+++ b/hb_server/apps/pm/signals.py
@@ -2,6 +2,7 @@ from django.db.models.signals import post_save
 from django.dispatch import receiver
 from apps.mtm.models import Material
 from apps.pm.models import SubProductionPlan, SubProductionProgress
+from apps.pm.services import PmService
 
 @receiver(post_save, sender=SubProductionProgress)
 def update_subplan_main(sender, instance, created, **kwargs):
@@ -26,6 +27,8 @@ def update_subplan_main(sender, instance, created, **kwargs):
             plan.count_real = subplan.main_count_real
             plan.count_ok = subplan.main_count_ok
             plan.save()
+        # 更新子计划工序统计字段
+        PmService.update_plan_process_json(subplan.production_plan)