diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
index 61ef3e394..cc2a19345 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs
@@ -45,7 +45,7 @@ namespace SqlSugar
         }
         public virtual void InitTables(string entitiesNamespace)
         {
-            var types =ReflectionExtensions.LoadAssembly(entitiesNamespace).GetTypes();
+            var types = ReflectionCore.Load(entitiesNamespace).GetTypes();
             InitTables(types);
         }
         public virtual void InitTables(params string[] entitiesNamespaces)
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index 2cb4f7abb..1a2881f36 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -795,14 +795,14 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3> WhereIF(bool isWhere,Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
+        public  ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -1278,7 +1278,7 @@ namespace SqlSugar
             return this;
         }
 
-        public new ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
+        public  new ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Common/RewritableMethods.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Common/RewritableMethods.cs
index 45f07e956..592eec498 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Common/RewritableMethods.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Common/RewritableMethods.cs
@@ -114,10 +114,6 @@ namespace SqlSugar
                         }
                     }
                     var stringValue = SerializeObject(result);
-                    if (stringValue.IsValuable())
-                    {
-                        stringValue = stringValue.Replace(":{}", ":null");
-                    }
                     reval.Add((T)DeserializeObject<T>(stringValue));
                 }
                 reader.Close();
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/InstanceFactory.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/InstanceFactory.cs
index a70c6b528..4f848ab2d 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/InstanceFactory.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/InstanceFactory.cs
@@ -8,7 +8,7 @@ namespace SqlSugar
 {
     public class InstanceFactory
     {
-        static Assembly assembly = ReflectionExtensions.LoadAssembly(PubConst.AssemblyName);
+        static Assembly assembly = ReflectionCore.Load(PubConst.AssemblyName);
         static Dictionary<string, Type> typeCache = new Dictionary<string, Type>();
 
         #region Queryable
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Interface/IQueryable.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Interface/IQueryable.cs
index 26b49a12d..23a7c3e52 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Interface/IQueryable.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/Interface/IQueryable.cs
@@ -15,7 +15,7 @@ namespace SqlSugar
         ISugarQueryable<T> AS<T2>(string tableName);
         ISugarQueryable<T> AS(string tableName);
         ISugarQueryable<T> With(string withString);
-        ISugarQueryable<T> Filter(string FilterName, bool isDisabledGobalFilter = false);
+        ISugarQueryable<T> Filter(string FilterName, bool isDisabledGobalFilter= false);
         ISugarQueryable<T> AddParameters(object pars);
         ISugarQueryable<T> AddParameters(SugarParameter[] pars);
         ISugarQueryable<T> AddJoinInfo(string tableName, string shortName, string joinWhere, JoinType type = JoinType.Left);
@@ -57,7 +57,7 @@ namespace SqlSugar
 
         bool Any(Expression<Func<T, bool>> expression);
         bool Any();
-
+ 
         ISugarQueryable<TResult> Select<TResult>(Expression<Func<T, TResult>> expression);
         ISugarQueryable<TResult> Select<TResult>(string select) where TResult : class, new();
         ISugarQueryable<T> Select(string select);
@@ -97,7 +97,7 @@ namespace SqlSugar
         new ISugarQueryable<T, T2> Where(Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2> Where(Expression<Func<T, T2, bool>> expression);
 
-        ISugarQueryable<T, T2> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        new ISugarQueryable<T, T2> WhereIF(bool isWhere,Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
         #endregion
 
@@ -122,7 +122,7 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3> Where(Expression<Func<T, T2, bool>> expression);
         ISugarQueryable<T, T2, T3> Where(Expression<Func<T, T2, T3, bool>> expression);
 
-        ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        new ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
         ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
         #endregion
@@ -188,7 +188,7 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5> Where(Expression<Func<T, T2, T3, T4, T5, bool>> expression);
 
 
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        new ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
@@ -228,7 +228,7 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, T2, T3, T4, T5, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
 
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        new ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/OnlyCore/ReflectionExtensions.cs b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/OnlyCore/ReflectionExtensions.cs
index 10c125b0d..39bd52df0 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/OnlyCore/ReflectionExtensions.cs
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/OnlyCore/ReflectionExtensions.cs
@@ -6,11 +6,11 @@ using System.Threading.Tasks;
 
 namespace SqlSugar
 {
-    public class ReflectionExtensions
+    public static class ReflectionCore
     {
-        public static Assembly LoadAssembly(string name)
+        public static Assembly Load(string name)
         {
-            return  Assembly.Load(new AssemblyName(PubConst.AssemblyName)) ;
+            return Assembly.Load(new AssemblyName(PubConst.AssemblyName));
         }
     }
 }