v1.8.29 接口无变化，仅优化

Dapper.LiteSql/Dapper.LiteSql/Dapper.LiteSql.csproj

@@ -5,9 +5,9 @@
         <ImplicitUsings>disable</ImplicitUsings>
         <Nullable>disable</Nullable>
         <GenerateDocumentationFile>True</GenerateDocumentationFile>
-        <AssemblyVersion>1.8.28</AssemblyVersion>
-        <FileVersion>1.8.28</FileVersion>
-        <Version>1.8.28</Version>
+        <AssemblyVersion>1.8.29</AssemblyVersion>
+        <FileVersion>1.8.29</FileVersion>
+        <Version>1.8.29</Version>
     </PropertyGroup>
 
     <ItemGroup>

Dapper.LiteSql/Dapper.LiteSql/Dapper.LiteSql.nuspec

@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
   <metadata>
     <id>Dapper.LiteSql</id>
-    <version>1.8.28</version>
+    <version>1.8.29</version>
     <title>Dapper.LiteSql</title>
     <authors>suxiang</authors>
     <owners></owners>
@@ -10,7 +10,7 @@
     <license type="expression">MIT</license>
     <projectUrl>https://github.com/0611163/Dapper.LiteSql</projectUrl>
     <description>一款同时支持原生SQL和Lambda表达式的轻量级ORM，支持Oracle、MSSQL、MySQL、PostgreSQL、SQLite、Access数据库，以及任意ADO.NET支持的数据库。</description>
-    <releaseNotes>修复BUG：数据库事务回滚后，没有关闭数据库连接。</releaseNotes>
+    <releaseNotes>接口无变化 ，仅优化</releaseNotes>
     <copyright>Copyright @ 2022</copyright>
     <dependencies>
       <group targetFramework=".NETFramework4.6.1">

Dapper.LiteSql/Dapper.LiteSql/Session/DBSessionTransaction.cs

@@ -15,7 +15,17 @@ namespace Dapper.LiteSql
         public DbTransactionExt BeginTransaction()
         {
             _conn = _connFactory.GetConnection(null);
-            _tran = new DbTransactionExt(_conn.Conn.BeginTransaction(), _conn);
+            try
+            {
+                _tran = new DbTransactionExt(_conn.Conn.BeginTransaction(), _conn);
+            }
+            catch
+            {
+                _conn.Tran = null;
+                _connFactory.Release(_conn);
+                _tran = null;
+                throw;
+            }
             return _tran;
         }
         #endregion