diff --git a/Src/Asp.Net/SqlServerTest/Demos/8_JoinSql.cs b/Src/Asp.Net/SqlServerTest/Demos/8_JoinSql.cs
index e0f054608..59d0f8422 100644
--- a/Src/Asp.Net/SqlServerTest/Demos/8_JoinSql.cs
+++ b/Src/Asp.Net/SqlServerTest/Demos/8_JoinSql.cs
@@ -54,6 +54,8 @@ namespace OrmTest.Demo
             var pageJoin = db.Queryable<Student, School>((st, sc) => new object[] {
               JoinType.Left,st.SchoolId==sc.Id
             })
+            .Where(st => st.Id==1)
+            .Where(st => st.Id==2)
             .Select((st, sc) => new { id = st.Id, name = sc.Name })
             .MergeTable().Where(XXX => XXX.id == 1).OrderBy("name asc").ToList();// Prefix, is, not, necessary, and take the columns in select
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index e1c782f24..1294ad6e7 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -446,6 +446,7 @@ namespace SqlSugar
             mergeQueryable.QueryBuilder.Parameters = QueryBuilder.Parameters;
             mergeQueryable.QueryBuilder.WhereIndex = QueryBuilder.WhereIndex + 1;
             mergeQueryable.QueryBuilder.JoinIndex = QueryBuilder.JoinIndex + 1;
+            mergeQueryable.QueryBuilder.LambdaExpressions.ParameterIndex = QueryBuilder.LambdaExpressions.ParameterIndex;
             return mergeQueryable.AS(tableName).Select<T>("*");
         }