diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index c0d130f73..26da919cf 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -436,7 +436,7 @@ namespace SqlSugar
             var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
             var fieldName = lamResult.GetResultString();
             tempPrimaryKeys = new List<string>() { fieldName };
-            var result = In(primaryKeyValue);;
+            var result = In(primaryKeyValue);
             tempPrimaryKeys = null;
             return this;
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderOneToOne.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderOneToOne.cs
index 4c57f82d9..44348097c 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderOneToOne.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/InsertNavProviderOneToOne.cs
@@ -16,7 +16,8 @@ namespace SqlSugar
             var parentPkColumn = parentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
             var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
             EntityColumnInfo thisPkColumn = GetPkColumnByNav(thisEntity, nav);
-            Check.Exception(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
+            Check.ExceptionEasy(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
+            Check.ExceptionEasy(nav.Navigat.WhereSql.HasValue(), $" {name} Navigate(NavType,WhereSql)  no support insert ", $"导航一对一 {name} 配置了 Sql变量 不支持插入");
             List<TChild> childList = new List<TChild>();
             foreach (var parent in parentList)
             {
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavOneToOne.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavOneToOne.cs
index 0cba19c8c..8fdf3e27e 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavOneToOne.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/ExecuteNavProvider/UpdateNavOneToOne.cs
@@ -17,7 +17,8 @@ namespace SqlSugar
             var parentPkColumn = parentEntity.Columns.FirstOrDefault(it => it.IsPrimarykey);
             var thisEntity = this._Context.EntityMaintenance.GetEntityInfo<TChild>();
             EntityColumnInfo thisPkColumn = GetPkColumnByNav(thisEntity, nav);
-            Check.Exception(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
+            Check.ExceptionEasy(thisPkColumn == null, $" Navigate {parentEntity.EntityName} : {name} is error ", $"导航实体 {parentEntity.EntityName} 属性 {name} 配置错误");
+            Check.ExceptionEasy(nav.Navigat.WhereSql.HasValue(), $" {name} Navigate(NavType,WhereSql)  no support update ", $"导航一对一 {name} 配置了 Sql变量 不支持更新");
             List<TChild> childList = new List<TChild>();
             foreach (var parent in parentList)
             {
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
index d083762f1..c71105077 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/FilterProvider/FilterProvider.cs
@@ -65,31 +65,35 @@ namespace SqlSugar
             }
         }
 
-        public void AddTableFilter<T>(Expression<Func<T,bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class,new()
+        public QueryFilterProvider AddTableFilter<T>(Expression<Func<T,bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class,new()
         {
             var isOn = filterJoinType == FilterJoinPosition.On;
             var tableFilter = new TableFilterItem<T>(expression, isOn);
             this.Add(tableFilter);
+            return this;
         }
-        public void AddTableFilterIF<T>(bool isAppendFilter,Expression<Func<T, bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class, new()
+        public QueryFilterProvider AddTableFilterIF<T>(bool isAppendFilter,Expression<Func<T, bool>> expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On) where T : class, new()
         {
             if (isAppendFilter) 
             {
                 AddTableFilter(expression, filterJoinType);
             }
+            return this;
         }
-        public void AddTableFilter(Type type,Expression expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On)
+        public QueryFilterProvider AddTableFilter(Type type,Expression expression, FilterJoinPosition filterJoinType = FilterJoinPosition.On)
         {
             var isOn = filterJoinType == FilterJoinPosition.On;
             this.Add(new TableFilterItem<object>(type, expression, isOn));
+            return this;
         }
 
-        public void AddTableFilterIF(bool isAppendFilter, Type type, Expression expression, FilterJoinPosition posType = FilterJoinPosition.On)
+        public QueryFilterProvider AddTableFilterIF(bool isAppendFilter, Type type, Expression expression, FilterJoinPosition posType = FilterJoinPosition.On)
         {
             if (isAppendFilter)
             {
                 AddTableFilter(type, expression, posType);
             }
+            return this;
         }
         public enum FilterJoinPosition
         {
diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
index 51286e3b3..f040887c5 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/NavigatManager.cs
@@ -538,7 +538,7 @@ namespace SqlSugar
             SqlInfo result = new SqlInfo();
             result.Parameters = new List<SugarParameter>();
             var isList = false;
-            int parameterIndex = 0;
+            int parameterIndex = 100;
             foreach (var item in _ListCallFunc)
             {
                 var method = item as MethodCallExpression;
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
index 069e10cfd..d7520ad57 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
@@ -71,7 +71,7 @@ namespace SqlSugar
             return this;
         }
 
-        public TResult Select<TResult>(Func<T, TResult> expression) where TResult :struct
+        public TResult Select<TResult>(Func<T, TResult> expression)  
         {
             return default(TResult);
         }
@@ -89,7 +89,7 @@ namespace SqlSugar
             return default(string);
         }
 
-        public TResult Max<TResult>(Func<T, TResult> expression) where TResult : struct
+        public TResult Max<TResult>(Func<T, TResult> expression)  
         {
             return default(TResult);
         }
@@ -106,7 +106,7 @@ namespace SqlSugar
         {
             return default(string);
         }
-        public TResult Min<TResult>(Func<T, TResult> expression) where TResult : struct
+        public TResult Min<TResult>(Func<T, TResult> expression) 
         {
             return default(TResult);
         }
@@ -125,7 +125,7 @@ namespace SqlSugar
         {
             return default(int);
         }
-        public TResult Sum<TResult>(Func<T, TResult> expression) where TResult : struct
+        public TResult Sum<TResult>(Func<T, TResult> expression) 
         {
             return default(TResult);
         }
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
index dde717320..1ebdf5d97 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmUpdateBuilder.cs
@@ -28,7 +28,7 @@ namespace SqlSugar
                 return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("AND", whereList));
             }).ToArray()));
             var result= sb.ToString();
-            if (result == "\r\n") 
+            if (groupList.Count==0) 
             {
                 return null;
             }
diff --git a/Src/Asp.NetCore2/SqlSugar/SpliteTable/SplitTableContext.cs b/Src/Asp.NetCore2/SqlSugar/SpliteTable/SplitTableContext.cs
index 8fac07b99..f222a4c6b 100644
--- a/Src/Asp.NetCore2/SqlSugar/SpliteTable/SplitTableContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/SpliteTable/SplitTableContext.cs
@@ -26,7 +26,7 @@ namespace SqlSugar
         }
         public string[] GetTableNames(SplitType splitType)
         {
-            List<string> result = new List<string>();;
+            List<string> result = new List<string>();
             foreach (var item in Items)
             {
                 result.Add(Helper.GetTableName(Helper.GetValue(splitType, item)));