diff --git a/backend/config/loaders.yaml b/backend/config/loaders.yaml
index 723cc3a..af5d2fe 100644
--- a/backend/config/loaders.yaml
+++ b/backend/config/loaders.yaml
@@ -42,7 +42,7 @@ db:
       - sql: select Name, Code, Calculation_Formula, Rate, from ProjectQuantities where Professional_Type = '线路'
         explanation: "专业类型为线路的工程量表数据，层级关系包含在博微电力造价工程文件格式_ProjectQuantities.json文件中"
       - sql: select Name, Code, Calculation_Formula, Rate, from ProjectQuantities where Professional_Type = '余物清理'
-        explanation: "专业类型为线路的工程量表数据，层级关系包含在博微电力造价工程文件格式_ProjectQuantities.json文件中"
+        explanation: "专业类型为余物清理的工程量表数据，层级关系包含在博微电力造价工程文件格式_ProjectQuantities.json文件中"
 #web:
 #  driver_arguments:
 #    # The arguments to pass to the webdriver. E.g.: add --headless to run in headless mode