diff --git a/FreeSql/FreeSql.xml b/FreeSql/FreeSql.xml
index 17e209b4..1a5086ea 100644
--- a/FreeSql/FreeSql.xml
+++ b/FreeSql/FreeSql.xml
@@ -2128,6 +2128,16 @@
             数据库类型
             </summary>
         </member>
+        <member name="P:FreeSql.IAdo.ConnectionString">
+            <summary>
+            UseConnectionString 时候的值
+            </summary>
+        </member>
+        <member name="P:FreeSql.IAdo.SlaveConnectionStrings">
+            <summary>
+            UseSalve 时候的值
+            </summary>
+        </member>
         <member name="M:FreeSql.IAdo.Transaction(System.Action)">
             <summary>
             开启事务（不支持异步），60秒未执行完成（可能）被其他线程事务自动提交
diff --git a/FreeSql/Interface/IAdo.cs b/FreeSql/Interface/IAdo.cs
index d5ec0a8c..2cb27f7b 100644
--- a/FreeSql/Interface/IAdo.cs
+++ b/FreeSql/Interface/IAdo.cs
@@ -24,6 +24,14 @@ namespace FreeSql
         /// 数据库类型
         /// </summary>
         DataType DataType { get; }
+        /// <summary>
+        /// UseConnectionString 时候的值
+        /// </summary>
+        string ConnectionString { get; }
+        /// <summary>
+        /// UseSalve 时候的值
+        /// </summary>
+        string[] SlaveConnectionStrings { get; }
 
         #region 事务
         /// <summary>
diff --git a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
index 07d785ca..a5ebb8db 100644
--- a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
+++ b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
@@ -24,14 +24,18 @@ namespace FreeSql.Internal.CommonProvider
         public IObjectPool<DbConnection> MasterPool { get; protected set; }
         public List<IObjectPool<DbConnection>> SlavePools { get; } = new List<IObjectPool<DbConnection>>();
         public DataType DataType { get; }
+        public string ConnectionString { get; }
+        public string[] SlaveConnectionStrings { get; }
         protected CommonUtils _util { get; set; }
         protected int slaveUnavailables = 0;
         private object slaveLock = new object();
         private Random slaveRandom = new Random();
 
-        public AdoProvider(DataType dataType)
+        public AdoProvider(DataType dataType, string connectionString, string[] slaveConnectionStrings)
         {
             this.DataType = dataType;
+            this.ConnectionString = connectionString;
+            this.SlaveConnectionStrings = slaveConnectionStrings;
         }
 
         void LoggerException(IObjectPool<DbConnection> pool, PrepareCommandResult pc, Exception ex, DateTime dt, StringBuilder logtxt, bool isThrowException = true)
diff --git a/Providers/FreeSql.Provider.MsAccess/MsAccessAdo/MsAccessAdo.cs b/Providers/FreeSql.Provider.MsAccess/MsAccessAdo/MsAccessAdo.cs
index 195dbb9d..496e9d1e 100644
--- a/Providers/FreeSql.Provider.MsAccess/MsAccessAdo/MsAccessAdo.cs
+++ b/Providers/FreeSql.Provider.MsAccess/MsAccessAdo/MsAccessAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.MsAccess
 {
     class MsAccessAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public MsAccessAdo() : base(DataType.MsAccess) { }
-        public MsAccessAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.MsAccess)
+        public MsAccessAdo() : base(DataType.MsAccess, null, null) { }
+        public MsAccessAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.MsAccess, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlAdo.cs b/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlAdo.cs
index d6df8d17..2eeaa75b 100644
--- a/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlAdo.cs
+++ b/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.MySql
     class MySqlAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
 
-        public MySqlAdo() : base(DataType.MySql) { }
-        public MySqlAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.MySql)
+        public MySqlAdo() : base(DataType.MySql, null, null) { }
+        public MySqlAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.MySql, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengAdo.cs b/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengAdo.cs
index f485abe1..71547169 100644
--- a/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengAdo.cs
@@ -12,8 +12,8 @@ namespace FreeSql.Odbc.Dameng
 {
     class OdbcDamengAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OdbcDamengAdo() : base(DataType.OdbcDameng) { }
-        public OdbcDamengAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcDameng)
+        public OdbcDamengAdo() : base(DataType.OdbcDameng, null, null) { }
+        public OdbcDamengAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcDameng, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcAdo.cs b/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcAdo.cs
index f11b8b10..eb17053b 100644
--- a/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcAdo.cs
@@ -12,8 +12,8 @@ namespace FreeSql.Odbc.Default
 {
     class OdbcAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OdbcAdo() : base(DataType.Odbc) { }
-        public OdbcAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Odbc)
+        public OdbcAdo() : base(DataType.Odbc, null, null) { }
+        public OdbcAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Odbc, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlAdo.cs b/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlAdo.cs
index 94921b95..41aa2ed3 100644
--- a/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.Odbc.MySql
     class OdbcMySqlAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
 
-        public OdbcMySqlAdo() : base(DataType.OdbcMySql) { }
-        public OdbcMySqlAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcMySql)
+        public OdbcMySqlAdo() : base(DataType.OdbcMySql, null, null) { }
+        public OdbcMySqlAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcMySql, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleAdo.cs b/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleAdo.cs
index bb33aa87..699f2912 100644
--- a/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleAdo.cs
@@ -12,8 +12,8 @@ namespace FreeSql.Odbc.Oracle
 {
     class OdbcOracleAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OdbcOracleAdo() : base(DataType.OdbcOracle) { }
-        public OdbcOracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcOracle)
+        public OdbcOracleAdo() : base(DataType.OdbcOracle, null, null) { }
+        public OdbcOracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcOracle, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLAdo.cs b/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLAdo.cs
index 60361f3e..d37dc5ba 100644
--- a/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.Odbc.PostgreSQL
 {
     class OdbcPostgreSQLAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OdbcPostgreSQLAdo() : base(DataType.OdbcPostgreSQL) { }
-        public OdbcPostgreSQLAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcPostgreSQL)
+        public OdbcPostgreSQLAdo() : base(DataType.OdbcPostgreSQL, null, null) { }
+        public OdbcPostgreSQLAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcPostgreSQL, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs b/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs
index 9f2f291e..0bba96e3 100644
--- a/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs
+++ b/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.Odbc.SqlServer
 {
     class OdbcSqlServerAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OdbcSqlServerAdo() : base(DataType.OdbcSqlServer) { }
-        public OdbcSqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcSqlServer)
+        public OdbcSqlServerAdo() : base(DataType.OdbcSqlServer, null, null) { }
+        public OdbcSqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.OdbcSqlServer, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleAdo.cs b/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleAdo.cs
index 791f4f7b..59ac3c98 100644
--- a/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleAdo.cs
+++ b/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleAdo.cs
@@ -12,8 +12,8 @@ namespace FreeSql.Oracle
 {
     class OracleAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public OracleAdo() : base(DataType.Oracle) { }
-        public OracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Oracle)
+        public OracleAdo() : base(DataType.Oracle, null, null) { }
+        public OracleAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Oracle, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs b/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
index 5f1600b9..3e9423dc 100644
--- a/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
+++ b/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLAdo.cs
@@ -14,8 +14,8 @@ namespace FreeSql.PostgreSQL
 {
     class PostgreSQLAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public PostgreSQLAdo() : base(DataType.PostgreSQL) { }
-        public PostgreSQLAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.PostgreSQL)
+        public PostgreSQLAdo() : base(DataType.PostgreSQL, null, null) { }
+        public PostgreSQLAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.PostgreSQL, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util; 
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerAdo.cs b/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerAdo.cs
index 08bce9b7..ea278f04 100644
--- a/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerAdo.cs
+++ b/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.SqlServer
 {
     class SqlServerAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public SqlServerAdo() : base(DataType.SqlServer) { }
-        public SqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.SqlServer)
+        public SqlServerAdo() : base(DataType.SqlServer, null, null) { }
+        public SqlServerAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.SqlServer, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)
diff --git a/Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteAdo.cs b/Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteAdo.cs
index 357b87b8..c1cc9252 100644
--- a/Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteAdo.cs
+++ b/Providers/FreeSql.Provider.Sqlite/SqliteAdo/SqliteAdo.cs
@@ -13,8 +13,8 @@ namespace FreeSql.Sqlite
 {
     class SqliteAdo : FreeSql.Internal.CommonProvider.AdoProvider
     {
-        public SqliteAdo() : base(DataType.Sqlite) { }
-        public SqliteAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Sqlite)
+        public SqliteAdo() : base(DataType.Sqlite, null, null) { }
+        public SqliteAdo(CommonUtils util, string masterConnectionString, string[] slaveConnectionStrings, Func<DbConnection> connectionFactory) : base(DataType.Sqlite, masterConnectionString, slaveConnectionStrings)
         {
             base._util = util;
             if (connectionFactory != null)