[fix] 玖姿问题

roke_product_income_expense/models/product_income_expense.py

@@ -31,6 +31,6 @@ class ProductIncomeExpense(models.Model):
                 ("id", "!=", v.id)
             ], limit=1, order="business_date desc, create_date desc")
             if not last_data:
-                v.balance = round(0 + v.income - v.expenditure, 2)
+                v.balance = 0 + v.income - v.expenditure
             else:
-                v.balance = round(last_data.balance + v.income - v.expenditure, 2)
+                v.balance = last_data.balance + v.income - v.expenditure