diff --git a/web/calculators/__init__.py b/web/calculators/__init__.py
index 6aff7c0..6c74197 100644
--- a/web/calculators/__init__.py
+++ b/web/calculators/__init__.py
@@ -150,7 +150,7 @@ class Calculator:
         return price, fluctuating
 
     def _get_ss_price(self):
-        query = SanmingSteel.get_query(self.year, self.month, name='高线', spec='φ10mm')
+        query = SanmingSteel.get_query(self.year, self.month, material=self.material_id)
         data = query.first()
         price = int(data.price) if data else 0
         fluctuating = int(self._get_fluctuating('price_ss', price))
diff --git a/web/commons/models/sanming_steel.py b/web/commons/models/sanming_steel.py
index 0593579..d09fffc 100644
--- a/web/commons/models/sanming_steel.py
+++ b/web/commons/models/sanming_steel.py
@@ -32,7 +32,7 @@ class SanmingSteel(db.Model, Model, BaseModelMixin):
         return result
 
     @classmethod
-    def get_query(cls, year, month, name, spec):
+    def get_query(cls, year, month, name=None, spec=None, material=None):
         start_date = datetime.date(year, month, 1)
         end_date = start_date + relativedelta(months=1)
         query = cls.query
@@ -42,4 +42,6 @@ class SanmingSteel(db.Model, Model, BaseModelMixin):
             query = query.filter(cls.name == name)
         if spec:
             query = query.filter(cls.spec == spec)
+        if material:
+            query = query.filter(cls.material == material)
         return query