Merge branch 'feature/制造订单状态优化_1' into feature/坯料制造序号优化

sf_manufacturing/models/stock.py

@@ -424,6 +424,8 @@ class ProductionLot(models.Model):
         """Generate `lot_names` from a string."""
         if first_lot.__contains__(display_name):
             first_lot = first_lot[(len(display_name) + 1):]
+        else:
+            first_lot = first_lot[-3:]
 
         # We look if the first lot contains at least one digit.
         caught_initial_number = regex_findall(r"\d+", first_lot)