diff --git a/backend/config/loaders.yaml b/backend/config/loaders.yaml
index 66b19d9..c69c13e 100644
--- a/backend/config/loaders.yaml
+++ b/backend/config/loaders.yaml
@@ -10,10 +10,23 @@ db:
   #- uri: mysql+pymysql://zjinfo:Y6EAjEEdSYmskA8B@110.42.234.166:3306/zjinfo
 #  - uri: mysql+pymysql://zjinfo2:GSKcziSdBixDXwcd@110.42.234.166:3306/zjinfo2
     queries:
-      - select * from ProjectProperties limit 30;
-      - select Name, Code, Amount, Amount_Total from TotalCalculateTable
-      - select SerialNumber, Name, Quantity, Rate, Sum_Price from ProjectDivision where Level = 3  limit 50;
-      - select Name, Code, Rate, Amount from OtherFee
+      - sql: select * from ProjectProperties limit 30;
+        explanation: "工程属性表数据，层级关系包含在博微电力造价工程文件格式_ProjectProperties.json文件中。"
+
+      - sql: select Id, ParentId, Level, Name, Code, Amount, Amount_Total from TotalCalculateTable;
+        explanation: "总算表数据，层级关系包含在博微电力造价工程文件格式_TotalCalculateTable.json文件中。"
+
+      - sql: select Id, ParentId, Level, SerialNumber, Name, Quantity, Rate, Sum_Price from ProjectDivision where Level = 3 and ProfessionalType = '线路' limit 50;
+        explanation: "专业类型为线路的项目划分表数据，层级关系包含在博微电力造价工程文件格式_ProjectDivision.json文件中。"
+
+      - sql: select Id, ParentId, Level, SerialNumber, Name, Quantity, Rate, Sum_Price from ProjectDivision where Level = 3 and ProfessionalType = '余物清理' limit 50;
+        explanation: "专业类型为余物清理的项目划分表数据，层级关系包含在博微电力造价工程文件格式_ProjectDivision.json文件中。"
+
+      - sql: select Id, ParentId, Level, SerialNumber, Name, Quantity, Rate, Sum_Price from ProjectDivision where Level = 3 and ProfessionalType = '拆除线路' limit 50;
+        explanation: "专业类型为拆除线路的项目划分表数据，层级关系包含在博微电力造价工程文件格式_ProjectDivision.json文件中。"
+
+      - sql: select Id, ParentId, Level, Name, Code, Rate, Amount from OtherFee;
+        explanation: "其他费用表数据，层级关系包含在博微电力造价工程文件格式_OtherFee.json文件中"
 
 #web:
 #  driver_arguments: