diff --git a/Src/Asp.Net/SqlSugar/Infrastructure/DependencyManagement.cs b/Src/Asp.Net/SqlSugar/Infrastructure/DependencyManagement.cs
index 2f1ccf3cb..ac22fc1bd 100644
--- a/Src/Asp.Net/SqlSugar/Infrastructure/DependencyManagement.cs
+++ b/Src/Asp.Net/SqlSugar/Infrastructure/DependencyManagement.cs
@@ -50,6 +50,14 @@ namespace SqlSugar
             }
         }
 
+        internal static void TryPostgreSQL()
+        {
+            var message = ErrorMessage.GetThrowMessage(
+                    "SqlSugar PostGreSQL only support.NET CORE",
+                    "SqlSugar使用 PostGreSQL只支持.NET CORE");
+            throw new Exception(message);
+        }
+
         internal static void TryOracle()
         {
             if (!IsTryOracle)
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/CodeFirst/PostgreSQLCodeFirst.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/CodeFirst/PostgreSQLCodeFirst.cs
deleted file mode 100644
index 71051544b..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/CodeFirst/PostgreSQLCodeFirst.cs
+++ /dev/null
@@ -1,67 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace SqlSugar
-{
-    public class PostgreSQLCodeFirst : CodeFirstProvider
-    {
-        public override void NoExistLogic(EntityInfo entityInfo)
-        {
-            var tableName = GetTableName(entityInfo);
-            Check.Exception(entityInfo.Columns.Where(it => it.IsPrimarykey).Count() > 1, "Use Code First ,The primary key must not exceed 1");
-            List<DbColumnInfo> columns = new List<DbColumnInfo>();
-            if (entityInfo.Columns.HasValue())
-            {
-                foreach (var item in entityInfo.Columns)
-                {
-                    DbColumnInfo dbColumnInfo = this.EntityColumnToDbColumn(entityInfo, tableName, item);
-                    columns.Add(dbColumnInfo);
-                }
-            }
-            this.Context.DbMaintenance.CreateTable(tableName, columns);
-        }
-        protected override DbColumnInfo EntityColumnToDbColumn(EntityInfo entityInfo, string tableName, EntityColumnInfo item)
-        {
-            var result = new DbColumnInfo()
-            {
-                DataType = this.Context.Ado.DbBind.GetDbTypeName(UtilMethods.GetUnderType(item.PropertyInfo).Name),
-                TableId = entityInfo.Columns.IndexOf(item),
-                DbColumnName = item.DbColumnName.HasValue() ? item.DbColumnName : item.PropertyName,
-                IsPrimarykey = item.IsPrimarykey,
-                IsIdentity = item.IsIdentity,
-                TableName = tableName,
-                IsNullable = item.IsNullable,
-                DefaultValue = item.DefaultValue,
-                ColumnDescription = item.ColumnDescription,
-                Length = item.Length
-            };
-            if (result.DataType.Equals("varchar", StringComparison.CurrentCultureIgnoreCase) && result.Length == 0)
-            {
-                result.Length = 1;
-            }
-            return result;
-        }
-
-        protected override void ConvertColumns(List<DbColumnInfo> dbColumns)
-        {
-            foreach (var item in dbColumns)
-            {
-                if (item.DataType == "DateTime")
-                {
-                    item.Length = 0;
-                }
-            }
-        }
-
-        protected override void ChangeKey(EntityInfo entityInfo, string tableName, EntityColumnInfo item)
-        {
-            this.Context.DbMaintenance.UpdateColumn(tableName, EntityColumnToDbColumn(entityInfo, tableName, item));
-            if (!item.IsPrimarykey)
-                this.Context.DbMaintenance.DropConstraint(tableName,null);
-            if (item.IsPrimarykey)
-                this.Context.DbMaintenance.AddPrimaryKey(tableName, item.DbColumnName);
-        }
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
deleted file mode 100644
index 8068980cc..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbBind/PostgreSQLDbBind.cs
+++ /dev/null
@@ -1,92 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-
-namespace SqlSugar
-{
-    public class PostgreSQLDbBind : DbBindProvider
-    {
-        public override string GetDbTypeName(string csharpTypeName)
-        {
-            if (csharpTypeName == UtilConstants.ByteArrayType.Name)
-            {
-                return "blob";
-            }
-            if (csharpTypeName == "Int32")
-                csharpTypeName = "int";
-            if (csharpTypeName == "Int16")
-                csharpTypeName = "short";
-            if (csharpTypeName == "Int64")
-                csharpTypeName = "long";
-            if (csharpTypeName == "Boolean")
-                csharpTypeName = "bool";
-            var mappings = this.MappingTypes.Where(it => it.Value.ToString().Equals(csharpTypeName, StringComparison.CurrentCultureIgnoreCase));
-            return mappings.HasValue() ? mappings.First().Key : "varchar";
-        }
-        public override List<KeyValuePair<string, CSharpDataType>> MappingTypes
-        {
-            get
-            {
-                var extService = this.Context.CurrentConnectionConfig.ConfigureExternalServices;
-                if (extService != null && extService.AppendDataReaderTypeMappings.HasValue())
-                {
-                    return extService.AppendDataReaderTypeMappings.Union(MappingTypesConst).ToList();
-                }
-                else
-                {
-                    return MappingTypesConst;
-                }
-            }
-        }
-        public static List<KeyValuePair<string, CSharpDataType>> MappingTypesConst = new List<KeyValuePair<string, CSharpDataType>>(){
-
-                    new KeyValuePair<string, CSharpDataType>("int",CSharpDataType.@int),
-                    new KeyValuePair<string, CSharpDataType>("mediumint",CSharpDataType.@int),
-                    new KeyValuePair<string, CSharpDataType>("integer",CSharpDataType.@int),
-
-                    new KeyValuePair<string, CSharpDataType>("varchar",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("text",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("char",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("enum",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("mediumtext",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("tinytext",CSharpDataType.@string),
-                    new KeyValuePair<string, CSharpDataType>("longtext",CSharpDataType.@string),
-
-                    new KeyValuePair<string, CSharpDataType>("tinyint",CSharpDataType.@byte),
-                    new KeyValuePair<string, CSharpDataType>("smallint",CSharpDataType.@short),
-                    new KeyValuePair<string, CSharpDataType>("bigint",CSharpDataType.@long),
-                    new KeyValuePair<string, CSharpDataType>("bit",CSharpDataType.@bool),
-                    new KeyValuePair<string, CSharpDataType>("real",CSharpDataType.@double),
-                    new KeyValuePair<string, CSharpDataType>("double",CSharpDataType.@double),
-                    new KeyValuePair<string, CSharpDataType>("float",CSharpDataType.@float),
-                    new KeyValuePair<string, CSharpDataType>("float",CSharpDataType.Single),
-                    new KeyValuePair<string, CSharpDataType>("decimal",CSharpDataType.@decimal),
-                    new KeyValuePair<string, CSharpDataType>("numeric",CSharpDataType.@decimal),
-                    new KeyValuePair<string, CSharpDataType>("year",CSharpDataType.@int),
-
-                    new KeyValuePair<string, CSharpDataType>("datetime",CSharpDataType.DateTime),
-                    new KeyValuePair<string, CSharpDataType>("timestamp",CSharpDataType.DateTime),
-                    new KeyValuePair<string, CSharpDataType>("date",CSharpDataType.DateTime),
-                    new KeyValuePair<string, CSharpDataType>("time",CSharpDataType.DateTime),
-
-                    new KeyValuePair<string, CSharpDataType>("blob",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("tinyblob",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("varbinary",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("binary",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("multipoint",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("geometry",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("multilinestring",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("polygon",CSharpDataType.byteArray),
-                    new KeyValuePair<string, CSharpDataType>("mediumblob",CSharpDataType.byteArray),
-
-                    new KeyValuePair<string, CSharpDataType>("varchar",CSharpDataType.Guid),
-                };
-        public override List<string> StringThrow
-        {
-            get
-            {
-                return new List<string>() { "int32", "datetime", "decimal", "double", "byte" };
-            }
-        }
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbFirst/PostgreSQLDbFirst.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbFirst/PostgreSQLDbFirst.cs
deleted file mode 100644
index fe829d0b3..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbFirst/PostgreSQLDbFirst.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace SqlSugar
-{
-    public class PostgreSQLDbFirst : DbFirstProvider
-    {
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs
deleted file mode 100644
index 5bfc2d375..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/PostgreSQLProvider.cs
+++ /dev/null
@@ -1,116 +0,0 @@
-using MySql.Data.MySqlClient;
-using System;
-using System.Collections.Generic;
-using System.Data;
-using System.Data.SqlClient;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-namespace SqlSugar
-{
-    public class PostgreSQLProvider : AdoProvider
-    {
-        public PostgreSQLProvider() { }
-        public override IDbConnection Connection
-        {
-            get
-            {
-                if (base._DbConnection == null)
-                {
-                    try
-                    {
-                        var mySqlConnectionString = base.Context.CurrentConnectionConfig.ConnectionString;
-                        if (!mySqlConnectionString.ToLower().Contains("charset"))
-                        {
-                            mySqlConnectionString = mySqlConnectionString.Trim().TrimEnd(';') + ";charset=utf8;";
-                        }
-                        base._DbConnection = new MySqlConnection(mySqlConnectionString);
-                    }
-                    catch (Exception ex)
-                    {
-                        Check.Exception(true, ErrorMessage.ConnnectionOpen, ex.Message);
-                    }
-                }
-                return base._DbConnection;
-            }
-            set
-            {
-                base._DbConnection = value;
-            }
-        }
-
-        public override void BeginTran(string transactionName)
-        {
-            base.BeginTran();
-        }
-        /// <summary>
-        /// Only SqlServer
-        /// </summary>
-        /// <param name="iso"></param>
-        /// <param name="transactionName"></param>
-        public override void BeginTran(IsolationLevel iso, string transactionName)
-        {
-            base.BeginTran(iso);
-        }
-        public override IDataAdapter GetAdapter()
-        {
-            return new MySqlDataAdapter();
-        }
-        public override IDbCommand GetCommand(string sql, SugarParameter[] parameters)
-        {
-            MySqlCommand sqlCommand = new MySqlCommand(sql, (MySqlConnection)this.Connection);
-            sqlCommand.CommandType = this.CommandType;
-            sqlCommand.CommandTimeout = this.CommandTimeOut;
-            if (this.Transaction != null)
-            {
-                sqlCommand.Transaction = (MySqlTransaction)this.Transaction;
-            }
-            if (parameters.HasValue())
-            {
-                IDataParameter[] ipars = ToIDbDataParameter(parameters);
-                sqlCommand.Parameters.AddRange((MySqlParameter[])ipars);
-            }
-            CheckConnection();
-            return sqlCommand;
-        }
-        public override void SetCommandToAdapter(IDataAdapter dataAdapter, IDbCommand command)
-        {
-            ((MySqlDataAdapter)dataAdapter).SelectCommand = (MySqlCommand)command;
-        }
-        /// <summary>
-        /// if mysql return MySqlParameter[] pars
-        /// if sqlerver return SqlParameter[] pars ...
-        /// </summary>
-        /// <param name="parameters"></param>
-        /// <returns></returns>
-        public override IDataParameter[] ToIDbDataParameter(params SugarParameter[] parameters)
-        {
-            if (parameters == null || parameters.Length == 0) return null;
-            MySqlParameter[] result = new MySqlParameter[parameters.Length];
-            int index = 0;
-            foreach (var parameter in parameters)
-            {
-                if (parameter.Value == null) parameter.Value = DBNull.Value;
-                var sqlParameter = new MySqlParameter();
-                sqlParameter.ParameterName = parameter.ParameterName;
-                sqlParameter.Size = parameter.Size;
-                sqlParameter.Value = parameter.Value;
-                sqlParameter.DbType = parameter.DbType;
-                sqlParameter.Direction = parameter.Direction;
-                if (sqlParameter.Direction == 0)
-                {
-                    sqlParameter.Direction = ParameterDirection.Input;
-                }
-                result[index] = sqlParameter;
-                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);
-                }
-                ++index;
-            }
-            return result;
-        }
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/Queryable/PostgreSQLQueryable.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/Queryable/PostgreSQLQueryable.cs
deleted file mode 100644
index c8bc5d9f6..000000000
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/Queryable/PostgreSQLQueryable.cs
+++ /dev/null
@@ -1,60 +0,0 @@
-namespace SqlSugar
-{
-    public class PostgreSQLProviderQueryable<T> : QueryableProvider<T>
-    {
-        public override ISugarQueryable<T> With(string withString)
-        {
-            return this;
-        }
-
-        public override ISugarQueryable<T> PartitionBy(string groupFileds)
-        {
-            this.GroupBy(groupFileds);
-            return this;
-        }
-    }
-    public class PostgreSQLQueryable<T, T2> : QueryableProvider<T, T2>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3> : QueryableProvider<T, T2, T3>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4> : QueryableProvider<T, T2, T3, T4>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5> : QueryableProvider<T, T2, T3, T4, T5>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6> : QueryableProvider<T, T2, T3, T4, T5, T6>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7> : QueryableProvider<T, T2, T3, T4, T5, T6, T7>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7, T8> : QueryableProvider<T, T2, T3, T4, T5, T6, T7, T8>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7, T8,T9> : QueryableProvider<T, T2, T3, T4, T5, T6, T7, T8,T9>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7, T8,T9,T10> : QueryableProvider<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> : QueryableProvider<T, T2, T3, T4, T5, T6, T7, T8 ,T9, T10, T11>
-    {
-
-    }
-    public class PostgreSQLQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> : QueryableProvider<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>
-    {
-
-    }
-}
diff --git a/Src/Asp.Net/SqlSugar/SqlSugar.csproj b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
index 7bf6918df..4fc75d517 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugar.csproj
+++ b/Src/Asp.Net/SqlSugar/SqlSugar.csproj
@@ -110,11 +110,6 @@
     <Compile Include="Infrastructure\DependencyManagement.cs" />
     <Compile Include="ExternalServiceInterface\ISerializeService.cs" />
     <Compile Include="Entities\DefaultServices.cs" />
-    <Compile Include="Realization\PostgreSQL\CodeFirst\PostgreSQLCodeFirst.cs" />
-    <Compile Include="Realization\PostgreSQL\DbBind\PostgreSQLDbBind.cs" />
-    <Compile Include="Realization\PostgreSQL\DbFirst\PostgreSQLDbFirst.cs" />
-    <Compile Include="Realization\PostgreSQL\PostgreSQLProvider.cs" />
-    <Compile Include="Realization\PostgreSQL\Queryable\PostgreSQLQueryable.cs" />
     <Compile Include="Realization\Oracle\Deleteable\OracleDeleteable.cs" />
     <Compile Include="Realization\Oracle\Insertable\OracleInsertable.cs" />
     <Compile Include="Realization\Oracle\Updateable\OracleUpdateable.cs" />
@@ -274,10 +269,7 @@
     <Content Include="References\Oracle.ManagedDataAccess.dll" />
     <Content Include="References\System.Data.SQLite.dll" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="Realization\PostgreSQL\DbMaintenance\" />
-    <Folder Include="Realization\PostgreSQL\SqlBuilder\" />
-  </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
index 6473943d2..a5ed3048f 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
@@ -38,7 +38,8 @@ namespace SqlSugar
                     DependencyManagement.TryOracle();
                     break;
                 case DbType.PostgreSQL:
-                    throw new Exception("Development 50%");
+                    DependencyManagement.TryPostgreSQL();
+                    break;
                 default:
                     throw new Exception("ConnectionConfig.DbType is null");
             }