diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/AdoProvider/AdoProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
index 1fa244f01..cfe661c45 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/AdoProvider/AdoProvider.cs
@@ -643,7 +643,7 @@ namespace SqlSugar
             var hasParameter = parameters.HasValue();
             if (hasParameter)
             {
-                foreach (var outputParameter in parameters.Where(it => it.Direction == ParameterDirection.Output))
+                foreach (var outputParameter in parameters.Where(it => it.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput)))
                 {
                     var gobalOutputParamter = this.OutputParameters.Single(it => it.ParameterName == outputParameter.ParameterName);
                     outputParameter.Value = gobalOutputParamter.Value;
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index 0ac437ac1..26a68a642 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -74,7 +74,7 @@ namespace SqlSugar
             string tableName = this.Context.EntityMaintenance.GetTableName<T>();
             var primaryFields = this.GetPrimaryKeys();
             var isSinglePrimaryKey = primaryFields.Count == 1;
-            Check.ArgumentNullException(primaryFields, string.Format("Table {0} with no primarykey", tableName));
+            Check.Exception(primaryFields.IsNullOrEmpty(), string.Format("Table {0} with no primarykey", tableName));
             if (isSinglePrimaryKey)
             {
                 List<object> primaryKeyValues = new List<object>();
@@ -106,7 +106,7 @@ namespace SqlSugar
                 {
                     StringBuilder orString = new StringBuilder();
                     var isFirst = deleteObjs.IndexOf(deleteObj) == 0;
-                    if (isFirst)
+                    if (!isFirst)
                     {
                         orString.Append(DeleteBuilder.WhereInOrTemplate + UtilConstants.Space);
                     }
@@ -114,7 +114,7 @@ namespace SqlSugar
                     StringBuilder andString = new StringBuilder();
                     foreach (var primaryField in primaryFields)
                     {
-                        if (i == 0)
+                        if (i != 0)
                             andString.Append(DeleteBuilder.WhereInAndTemplate + UtilConstants.Space);
                         var entityPropertyName = this.Context.EntityMaintenance.GetPropertyName<T>(primaryField);
                         var columnInfo = EntityInfo.Columns.Single(it => it.PropertyName == entityPropertyName);
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/ExpressionableProvider/Expressionable.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/ExpressionableProvider/Expressionable.cs
new file mode 100644
index 000000000..1bd63967b
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/ExpressionableProvider/Expressionable.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace SqlSugar
+{
+    public class Expressionable<T> where T : class, new()
+    {
+        Expression<Func<T, bool>> _exp = it=>true;
+
+        public Expressionable<T> And(Expression<Func<T, bool>> exp)
+        {
+            if (_exp == null)
+                _exp = exp;
+            else
+                _exp = Expression.Lambda<Func<T, bool>>(Expression.AndAlso(_exp.Body, exp.Body), _exp.Parameters);
+            return this;
+        }
+
+        public Expressionable<T> AndIF(bool isAnd, Expression<Func<T, bool>> exp)
+        {
+            if (isAnd)
+                And(exp);
+            return this;
+        }
+
+        public Expressionable<T> Or(Expression<Func<T, bool>> exp)
+        {
+            if (_exp == null)
+                _exp = exp;
+            else
+                _exp = Expression.Lambda<Func<T, bool>>(Expression.OrElse(_exp.Body, exp.Body), _exp.Parameters);
+            return this;
+        }
+
+        public Expressionable<T> OrIF(bool isOr, Expression<Func<T, bool>> exp)
+        {
+            if (isOr)
+                Or(exp);
+            return this;
+        }
+
+
+        public Expression<Func<T, bool>> ToExpression()
+        {
+            return _exp;
+        }
+    }
+
+    public class Expressionable
+    {
+        public static Expressionable<T> Create<T>() where T : class, new()
+        {
+            return new Expressionable<T>();
+        }
+    }
+}
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index d49663ab4..72776e72c 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -437,7 +437,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T> MergeTable()
         {
-            Check.Exception(this.QueryBuilder.SelectValue.IsNullOrEmpty(), "MergeTable need to use Select(it=>new{}) Method .");
+            Check.Exception(this.QueryBuilder.SelectValue.IsNullOrEmpty(), "MergeTable need to use Queryable.Select Method .");
             Check.Exception(this.QueryBuilder.Skip > 0 || this.QueryBuilder.Take > 0 || this.QueryBuilder.OrderByValue.HasValue(), "MergeTable  Queryable cannot Take Skip OrderBy PageToList  ");
             var sql = QueryBuilder.ToSqlString();
             var tableName = this.SqlBuilder.GetPackTable(sql, "MergeTable");
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
index bfd9ca868..b26a70528 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs
@@ -65,7 +65,7 @@ namespace SqlSugar
         {
             get
             {
-                return "[{0}]=N'{1}'";
+                return Builder.SqlTranslationLeft+"{0}"+Builder.SqlTranslationRight+"=N'{1}'";
             }
         }
         public string WhereInAreaTemplate
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
index 61bba6810..a3b14e6e4 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
@@ -25,7 +25,7 @@ namespace SqlSugar
         private bool IsOffIdentity { get; set; }
         public MappingTableList OldMappingTableList { get; set; }
         public bool IsAs { get; set; }
-        public int ExecuteCommand()
+        public virtual int ExecuteCommand()
         {
             PreToSql();
             Check.Exception(UpdateBuilder.WhereValues.IsNullOrEmpty() && GetPrimaryKeys().IsNullOrEmpty(), "You cannot have no primary key and no conditions");
@@ -52,7 +52,7 @@ namespace SqlSugar
             Task<bool> result = new Task<bool>(() =>
             {
                 IUpdateable<T> asyncUpdateable = CopyUpdateable();
-                return asyncUpdateable.ExecuteCommand()>0;
+                return asyncUpdateable.ExecuteCommand() > 0;
             });
             result.Start();
             return result;
@@ -125,7 +125,19 @@ namespace SqlSugar
                     item.IsPrimarykey = true;
                 }
             }
-            this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => updateColumns.Any(uc=>uc.Equals(it.PropertyName,StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey || it.IsIdentity).ToList();
+            this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => updateColumns.Any(uc => uc.Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey || it.IsIdentity).ToList();
+            return this;
+        }
+
+        public IUpdateable<T> UpdateColumns(Expression<Func<T, bool>> columns) {
+            var binaryExp = columns.Body as BinaryExpression;
+            Check.Exception(!binaryExp.NodeType.IsIn(ExpressionType.Equal), "No support {0}", columns.ToString());
+            Check.Exception(!(binaryExp.Left is MemberExpression), "No support {0}", columns.ToString());
+            Check.Exception(ExpressionTool.IsConstExpression(binaryExp.Left as MemberExpression), "No support {0}", columns.ToString());
+            var expResult = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.WhereSingle).GetResultString().Trim().TrimStart('(').TrimEnd(')');
+            string key = SqlBuilder.GetNoTranslationColumnName(expResult);
+            UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(SqlBuilder.GetTranslationColumnName(key), expResult));
+            this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
             return this;
         }
 
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 9689d8f0c..1866f8abb 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -57,7 +57,7 @@ namespace SqlSugar
             {
                 ResolveMemberValue(parameter, baseParameter, isLeft, isSetTempData, expression);
             }
-            else if (fieldIsBool)
+            else if (fieldIsBool&& !this.Context.ResolveType.IsIn(ResolveExpressType.FieldSingle, ResolveExpressType.FieldMultiple))
             {
                 ResolvefieldIsBool(parameter, baseParameter, isLeft, isSetTempData, expression, isSingle);
             }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/ISqlBuilder.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/ISqlBuilder.cs
index 08c987a08..f39a6d777 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/ISqlBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/ISqlBuilder.cs
@@ -12,6 +12,8 @@ namespace SqlSugar
         CommandType CommandType { get; set; }
         String AppendWhereOrAnd(bool isWhere, string sqlString);
         string AppendHaving(string sqlString);
+        string SqlTranslationLeft { get; }
+        string SqlTranslationRight { get; } 
         SqlQueryBuilder SqlQueryBuilder { get; set; }
         QueryBuilder QueryBuilder { get; set; }
         InsertBuilder InsertBuilder { get; set; }
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/IUpdateable.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/IUpdateable.cs
index 31dca2110..e01176529 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/IUpdateable.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Interface/IUpdateable.cs
@@ -25,6 +25,7 @@ namespace SqlSugar
         /// <returns></returns>
         IUpdateable<T> WhereColumns(Expression<Func<T, object>> columns);
         IUpdateable<T> UpdateColumns(Expression<Func<T, object>> columns);
+        IUpdateable<T> UpdateColumns(Expression<Func<T, bool>> columns);
         IUpdateable<T> UpdateColumns(Func<string, bool> updateColumMethod);
         IUpdateable<T> UpdateColumns(Expression<Func<T, T>> columns);
         IUpdateable<T> IgnoreColumns(Expression<Func<T, object>> columns);
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/SqlServer/SqlServerProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/SqlServer/SqlServerProvider.cs
index 2164d3790..eb2f46dd6 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/SqlServer/SqlServerProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/SqlServer/SqlServerProvider.cs
@@ -98,7 +98,7 @@ namespace SqlSugar
                 sqlParameter.DbType = parameter.DbType;
                 sqlParameter.Direction = parameter.Direction;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction == ParameterDirection.Output)
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput))
                 {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
index 5b2bd575b..029538073 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
@@ -9,7 +9,28 @@ namespace SqlSugar
     {
         protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
         {
-            throw new Exception("Batch updates are not supported for the time being. Please wait for updates");
+            StringBuilder sb = new StringBuilder();
+            sb.AppendLine(string.Join("\r\n", groupList.Select(t =>
+            {
+                var updateTable = string.Format("UPDATE {0} SET", base.GetTableNameStringNoWith);
+                var setValues = string.Join(",", t.Where(s => !s.IsPrimarykey).Select(m => GetOracleUpdateColums(m)).ToArray());
+                var pkList = t.Where(s => s.IsPrimarykey).ToList();
+                List<string> whereList = new List<string>();
+                foreach (var item in pkList)
+                {
+                    var isFirst = pkList.First() == item;
+                    var whereString = isFirst ? " " : " AND ";
+                    whereString += GetOracleUpdateColums(item);
+                    whereList.Add(whereString);
+                }
+                return string.Format("{0} {1} WHERE {2};", updateTable, setValues, string.Join("AND", whereList));
+            }).ToArray()));
+            return sb.ToString();
+        }
+
+        private string GetOracleUpdateColums(DbColumnInfo m)
+        {
+            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(), FormatValue(m.Value));
         }
         public override object FormatValue(object value)
         {
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqliteProvider.cs b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqliteProvider.cs
index 7f0916b2e..7cc4217af 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqliteProvider.cs
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/Realization/Sqlite/SqliteProvider.cs
@@ -94,7 +94,8 @@ namespace SqlSugar
                 sqlParameter.Value = parameter.Value;
                 sqlParameter.DbType = parameter.DbType;
                 result[index] = sqlParameter;
-                if (sqlParameter.Direction == ParameterDirection.Output) {
+                if (sqlParameter.Direction.IsIn(ParameterDirection.Output, ParameterDirection.InputOutput))
+                {
                     if (this.OutputParameters == null) this.OutputParameters = new List<IDataParameter>();
                     this.OutputParameters.RemoveAll(it => it.ParameterName == sqlParameter.ParameterName);
                     this.OutputParameters.Add(sqlParameter);
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
index 32654779c..bac19001b 100644
--- a/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.NetCore2/SqlSeverTest/SqlSugar/SqlSugar.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
-    <Version>4.5.9.6</Version>
+    <Version>4.5.9.9</Version>
     <Copyright>sun_kai_xuan</Copyright>
     <PackageProjectUrl>https://github.com/sunkaixuan/SqlSugar</PackageProjectUrl>
     <PackageLicenseUrl></PackageLicenseUrl>
diff --git a/Src/Asp.NetCore2/SqlSeverTest/SqliteTest/DataBase/SqlSugar4xTest.sqlite b/Src/Asp.NetCore2/SqlSeverTest/SqliteTest/DataBase/SqlSugar4xTest.sqlite
index 7f2fc679f..9701e8a70 100644
Binary files a/Src/Asp.NetCore2/SqlSeverTest/SqliteTest/DataBase/SqlSugar4xTest.sqlite and b/Src/Asp.NetCore2/SqlSeverTest/SqliteTest/DataBase/SqlSugar4xTest.sqlite differ