diff --git a/apps/qm/models.py b/apps/qm/models.py
index f90ae737..134b282b 100644
--- a/apps/qm/models.py
+++ b/apps/qm/models.py
@@ -240,7 +240,7 @@ class FtestWork(CommonBDModel):
 
     def cal_count(self):
         self.count_notok = FtestworkDefect.objects.filter(
-            mlogb=self, defect__okcate=30).aggregate(total=Sum("count"))["total"] or 0
+            ftestwork=self, defect__okcate=30).aggregate(total=Sum("count"))["total"] or 0
         self.count_ok = self.count - self.count_notok
         if self.type2 == 20: #全检
             self.count_sampling = self.count