diff --git a/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlConnectionPool.cs b/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlConnectionPool.cs
index 9e0da560..d1a7311f 100644
--- a/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlConnectionPool.cs
+++ b/Providers/FreeSql.Provider.MySql/MySqlAdo/MySqlConnectionPool.cs
@@ -48,7 +48,7 @@ namespace FreeSql.MySql
         public string Name { get; set; } = "MySql MySqlConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengConnectionPool.cs
index f7dd707d..d1db9ed3 100644
--- a/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/Dameng/OdbcDamengAdo/OdbcDamengConnectionPool.cs
@@ -70,7 +70,7 @@ namespace FreeSql.Odbc.Dameng
         public string Name { get; set; } = "Dameng OdbcConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcConnectionPool.cs
index c8eb1bcb..99e4023e 100644
--- a/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/Default/OdbcAdo/OdbcConnectionPool.cs
@@ -53,7 +53,7 @@ namespace FreeSql.Odbc.Default
         public string Name { get; set; } = "Default OdbcConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/GBase/OdbcGBaseAdo/OdbcGBaseConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/GBase/OdbcGBaseAdo/OdbcGBaseConnectionPool.cs
index 06db5358..448f3978 100644
--- a/Providers/FreeSql.Provider.Odbc/GBase/OdbcGBaseAdo/OdbcGBaseConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/GBase/OdbcGBaseAdo/OdbcGBaseConnectionPool.cs
@@ -62,7 +62,7 @@ namespace FreeSql.Odbc.GBase
         public string Name { get; set; } = "GBase OdbcConnection 对象池";
         public int PoolSize { get; set; } = 50;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlConnectionPool.cs
index 1caf9501..a68020e9 100644
--- a/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/MySql/OdbcMySqlAdo/OdbcMySqlConnectionPool.cs
@@ -48,7 +48,7 @@ namespace FreeSql.Odbc.MySql
         public string Name { get; set; } = "MySql OdbcConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleConnectionPool.cs
index fecf7793..ab255dbd 100644
--- a/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/Oracle/OdbcOracleAdo/OdbcOracleConnectionPool.cs
@@ -70,7 +70,7 @@ namespace FreeSql.Odbc.Oracle
         public string Name { get; set; } = "Oracle OdbcConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLConnectionPool.cs
index c387559d..574ae33b 100644
--- a/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/PostgreSQL/OdbcPostgreSQLAdo/OdbcPostgreSQLConnectionPool.cs
@@ -60,7 +60,7 @@ namespace FreeSql.Odbc.PostgreSQL
         public string Name { get; set; } = "PostgreSQL OdbcConnection 对象池";
         public int PoolSize { get; set; } = 50;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerConnectionPool.cs b/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerConnectionPool.cs
index ef9843bd..ebef1228 100644
--- a/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Odbc/SqlServer/OdbcSqlServerAdo/OdbcSqlServerConnectionPool.cs
@@ -53,7 +53,7 @@ namespace FreeSql.Odbc.SqlServer
         public string Name { get; set; } = "SqlServer OdbcConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleConnectionPool.cs b/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleConnectionPool.cs
index eb8c0e0e..2c2178b5 100644
--- a/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleConnectionPool.cs
+++ b/Providers/FreeSql.Provider.Oracle/OracleAdo/OracleConnectionPool.cs
@@ -70,7 +70,7 @@ namespace FreeSql.Oracle
         public string Name { get; set; } = "Oracle Connection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLConnectionPool.cs b/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLConnectionPool.cs
index 4297e35e..ba1ce9a5 100644
--- a/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLConnectionPool.cs
+++ b/Providers/FreeSql.Provider.PostgreSQL/PostgreSQLAdo/PostgreSQLConnectionPool.cs
@@ -60,7 +60,7 @@ namespace FreeSql.PostgreSQL
         public string Name { get; set; } = "PostgreSQL NpgsqlConnection 对象池";
         public int PoolSize { get; set; } = 50;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;
diff --git a/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerConnectionPool.cs b/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerConnectionPool.cs
index 42663a0a..2e8272fb 100644
--- a/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerConnectionPool.cs
+++ b/Providers/FreeSql.Provider.SqlServer/SqlServerAdo/SqlServerConnectionPool.cs
@@ -53,7 +53,7 @@ namespace FreeSql.SqlServer
         public string Name { get; set; } = "SqlServer SqlConnection 对象池";
         public int PoolSize { get; set; } = 100;
         public TimeSpan SyncGetTimeout { get; set; } = TimeSpan.FromSeconds(10);
-        public TimeSpan IdleTimeout { get; set; } = TimeSpan.Zero;
+        public TimeSpan IdleTimeout { get; set; } = TimeSpan.FromSeconds(20);
         public int AsyncGetCapacity { get; set; } = 10000;
         public bool IsThrowGetTimeoutException { get; set; } = true;
         public int CheckAvailableInterval { get; set; } = 5;