fix:目录为空时报错

controllers/data_manage/mysteel_chemical_data.go

@@ -1898,7 +1898,7 @@ func (this *EdbInfoController) MysteelChemicalBatchSearch() {
 			classifyIdInts = append(classifyIdInts, v.BaseFromMysteelChemicalClassifyId)
 		}
 	}
-	if len(classifyIds) > 0 {
+	if len(classifyIdInts) > 0 {
 		// 查询父级分类信息
 		classifyList, e := data_manage.GetBaseFromMysteelChemicalClassifyByIds(classifyIdInts)
 		if e != nil {