fix：钢联明细数据过多导致入库失败

models/base_from_mysteel_chemical.go

@@ -461,7 +461,7 @@ func (r *BaseFromMysteelChemicalData) Update(updateCols []string) (err error) {
 // Add 新增
 func (r *BaseFromMysteelChemicalData) Add(list []BaseFromMysteelChemicalData) (err error) {
 	o := orm.NewOrm()
-	_, err = o.InsertMulti(len(list), list)
+	_, err = o.InsertMulti(500, list)
 	return
 }