diff --git a/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs b/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
index 9e833d67..0f3036f3 100644
--- a/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
+++ b/src/aspnet-core/ICS.Common/Extension/LinqExpressionExt.cs
@@ -15,6 +15,13 @@ namespace ICS.Common.Extension
 {
     public static class LinqExpressionExt
     {
+        /// <summary>
+        ///  拼接条件(and p.code='value')
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="filterConditionList"></param>
+        /// <returns></returns>
+        /// <exception cref="Exception"></exception>
         public static Expression<Func<T, bool>> GetFilterExpression<T>(List<FilterModel> filterConditionList)
         {
             Expression<Func<T, bool>> condition = null;