diff --git a/apps/qm/models.py b/apps/qm/models.py
index be9d9cc4..8685db69 100644
--- a/apps/qm/models.py
+++ b/apps/qm/models.py
@@ -172,9 +172,9 @@ class Qct(CommonAModel):
         return QctMat.objects.filter(qct=self)
 
     @classmethod
-    def get(cls, materialId:str, tag:str):
+    def get(cls, material:Material, tag:str):
         try:
-            qct = Qct.objects.get(qctmat__material__id=materialId, tags__contains=tag)
+            qct = Qct.objects.get(qctmat__material=material, tags__contains=tag)
         except Qct.DoesNotExist:
             try:
                 qct = Qct.objects.get(name="默认检验表")