Update sqlite update column

Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -257,6 +257,7 @@ namespace SqlSugar
         #region Methods
         public override bool UpdateColumn(string tableName, DbColumnInfo column)
         {
+            var isTran = this.Context.Ado.IsNoTran();
             try
             { 
                 if (column.IsPrimarykey) 
@@ -264,6 +265,7 @@ namespace SqlSugar
                    Check.ExceptionEasy("Sqlite no support alter column primary key","Sqlite不支持修改主键");
                 }
 
+                if (isTran)
                     // Start a transaction
                     this.Context.Ado.BeginTran();
 
@@ -291,6 +293,7 @@ namespace SqlSugar
                 //Step 6: Drop the temporary column
                 this.DropColumn(tableName, tempColumn);
 
+                if (isTran)
                     // Commit the transaction
                     this.Context.Ado.CommitTran();
 
@@ -298,6 +301,7 @@ namespace SqlSugar
             }
             catch (Exception)
             {
+                if (isTran)
                     // Handle exceptions, log, or rollback the transaction if necessary
                     this.Context.Ado.RollbackTran();
                 // Log the exception or throw it again based on your requirements