diff --git a/SqlServerTest/UnitTest/Query/SingleQuery.cs b/SqlServerTest/UnitTest/Query/SingleQuery.cs
index 9d7dd2171..dd6e97d30 100644
--- a/SqlServerTest/UnitTest/Query/SingleQuery.cs
+++ b/SqlServerTest/UnitTest/Query/SingleQuery.cs
@@ -110,6 +110,14 @@ namespace OrmTest.UnitTest
                   SELECT * FROM (SELECT *,ROW_NUMBER() OVER(ORDER BY [ID] DESC) AS RowIndex FROM PageTable ) T WHERE RowIndex BETWEEN 11 AND 20", new List<SugarParameter>() {
                                new SugarParameter("@Id0",1),new SugarParameter("@MethodConst1","a")
                }, t8.Key, t8.Value,"single t8 Error");
+
+
+
+                var t9 = db.Queryable<Student>()
+                    .In(1)
+                    .Select(it => new { it.Id, it.Name,x=it.Id }).ToSql();
+                base.Check("SELECT  [ID] AS [Id] , [Name] AS [Name] , [ID] AS [x]  FROM [STudent]  WHERE [Id] IN (@InPara0)   ", new List<SugarParameter>() {
+                     new SugarParameter("@InPara0",1)   },t9.Key,t9.Value, "single t9 error");
             }
         }
 
diff --git a/SqlSugar/Abstract/SqlBuilderProvider/Detail/InsertBuilder.cs b/SqlSugar/Abstract/SqlBuilderProvider/Detail/InsertBuilder.cs
index 5fe03a130..1c42c99bb 100644
--- a/SqlSugar/Abstract/SqlBuilderProvider/Detail/InsertBuilder.cs
+++ b/SqlSugar/Abstract/SqlBuilderProvider/Detail/InsertBuilder.cs
@@ -11,6 +11,7 @@ namespace SqlSugar
         public InsertBuilder()
         {
             this.sql = new StringBuilder();
+            this.Parameters = new List<SugarParameter>();
             this.DbColumnInfoList = new List<DbColumnInfo>();
         }
         public SqlSugarClient Context { get; set; }
@@ -93,7 +94,6 @@ namespace SqlSugar
             resolveExpress.MappingTables = Context.MappingTables;
             resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
             resolveExpress.Resolve(expression, resolveType);
-            this.Parameters = new List<SugarParameter>();
             this.Parameters.AddRange(resolveExpress.Parameters);
             var reval = resolveExpress.Result;
             return reval;
diff --git a/SqlSugar/Abstract/SqlBuilderProvider/Detail/QueryBuilder.cs b/SqlSugar/Abstract/SqlBuilderProvider/Detail/QueryBuilder.cs
index ae288aa40..83ec1431d 100644
--- a/SqlSugar/Abstract/SqlBuilderProvider/Detail/QueryBuilder.cs
+++ b/SqlSugar/Abstract/SqlBuilderProvider/Detail/QueryBuilder.cs
@@ -192,7 +192,6 @@ namespace SqlSugar
             resolveExpress.MappingTables = Context.MappingTables;
             resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
             resolveExpress.Resolve(expression, resolveType);
-            this.Parameters = new List<SugarParameter>();
             this.Parameters.AddRange(resolveExpress.Parameters);
             var reval = resolveExpress.Result;
             return reval;
diff --git a/SqlSugar/Abstract/SqlBuilderProvider/Detail/UpdateBuilder.cs b/SqlSugar/Abstract/SqlBuilderProvider/Detail/UpdateBuilder.cs
index 644e67bd1..80bba249d 100644
--- a/SqlSugar/Abstract/SqlBuilderProvider/Detail/UpdateBuilder.cs
+++ b/SqlSugar/Abstract/SqlBuilderProvider/Detail/UpdateBuilder.cs
@@ -14,6 +14,7 @@ namespace SqlSugar
             this.DbColumnInfoList = new List<DbColumnInfo>();
             this.SetValues = new List<KeyValuePair<string, string>>();
             this.WhereValues = new List<string>();
+            this.Parameters = new List<SugarParameter>();
         }
         public SqlSugarClient Context { get; set; }
         public ILambdaExpressions LambdaExpressions { get; set; }
@@ -119,7 +120,6 @@ namespace SqlSugar
                 resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
             }
             resolveExpress.Resolve(expression, resolveType);
-            this.Parameters = new List<SugarParameter>();
             this.Parameters.AddRange(resolveExpress.Parameters);
             var reval = resolveExpress.Result;
             return reval;
diff --git a/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index 057739ad6..80576b879 100644
--- a/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -162,6 +162,7 @@ namespace SqlSugar
         public virtual void Clear()
         {
             base._Result = null;
+            base._Parameters = new List<SugarParameter>();
         }
         #endregion
     }
diff --git a/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs b/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
index 5debe10b6..1eea18d2e 100644
--- a/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
+++ b/SqlSugar/Realization/MySql/SqlBuilder/MySqlQueryBuilder.cs
@@ -75,7 +75,7 @@ namespace SqlSugar
                 }
                 if (this.SelectType == ResolveExpressType.SelectMultiple)
                 {
-                    this.SelectCacheKey = this.SelectCacheKey + string.Join("-", this._JoinQueryInfos.Select(it => it.TableName));
+                    this.SelectCacheKey = this.SelectCacheKey + string.Join("-", this.JoinQueryInfos.Select(it => it.TableName));
                 }
                 return reval;
             }