diff --git a/FreeSql.DbContext/DbContext/DbContext.cs b/FreeSql.DbContext/DbContext/DbContext.cs
index 6c6867d7..e979d460 100644
--- a/FreeSql.DbContext/DbContext/DbContext.cs
+++ b/FreeSql.DbContext/DbContext/DbContext.cs
@@ -11,18 +11,16 @@ namespace FreeSql
     {
 
         internal IFreeSql _orm;
-        internal IFreeSql _fsql => _orm ?? throw new ArgumentNullException("请在 OnConfiguring 或 AddFreeDbContext 中配置 UseFreeSql");
-
-        public IFreeSql Orm => _fsql;
+        public IFreeSql Orm => _orm ?? throw new ArgumentNullException("请在 OnConfiguring 或 AddFreeDbContext 中配置 UseFreeSql");
 
         protected IUnitOfWork _uowPriv;
-        internal IUnitOfWork _uow => _isUseUnitOfWork ? (_uowPriv ?? (_uowPriv = new UnitOfWork(_fsql))) : null;
+        internal IUnitOfWork _uow => _isUseUnitOfWork ? (_uowPriv ?? (_uowPriv = new UnitOfWork(Orm))) : null;
         internal bool _isUseUnitOfWork = true; //不使用工作单元事务
 
         public IUnitOfWork UnitOfWork => _uow;
 
         DbContextOptions _options;
-        internal DbContextOptions Options
+        public DbContextOptions Options
         {
             get
             {
@@ -31,19 +29,22 @@ namespace FreeSql
                 _options = new DbContextOptions();
                 return _options;
             }
+            set => _options = value;
         }
-
-        static ConcurrentDictionary<Type, PropertyInfo[]> _dicGetDbSetProps = new ConcurrentDictionary<Type, PropertyInfo[]>();
+        
         protected DbContext()
         {
 
             var builder = new DbContextOptionsBuilder();
             OnConfiguring(builder);
             _orm = builder._fsql;
+            _options = builder._options;
 
             if (_orm != null) InitPropSets();
         }
+        protected virtual void OnConfiguring(DbContextOptionsBuilder builder) { }
 
+        static ConcurrentDictionary<Type, PropertyInfo[]> _dicGetDbSetProps = new ConcurrentDictionary<Type, PropertyInfo[]>();
         internal void InitPropSets()
         {
             var props = _dicGetDbSetProps.GetOrAdd(this.GetType(), tp =>
@@ -60,11 +61,6 @@ namespace FreeSql
             }
         }
 
-        protected virtual void OnConfiguring(DbContextOptionsBuilder builder)
-        {
-
-        }
-
         protected Dictionary<Type, IDbSet> _dicSet = new Dictionary<Type, IDbSet>();
         public DbSet<TEntity> Set<TEntity>() where TEntity : class => this.Set(typeof(TEntity)) as DbSet<TEntity>;
         public virtual IDbSet Set(Type entityType)
@@ -133,15 +129,10 @@ namespace FreeSql
         Queue<ExecCommandInfo> _actions = new Queue<ExecCommandInfo>();
         internal int _affrows = 0;
 
-        internal void EnqueueAction(ExecCommandInfoType actionType, IDbSet dbSet, Type stateType, object state)
-        {
+        internal void EnqueueAction(ExecCommandInfoType actionType, IDbSet dbSet, Type stateType, object state) =>
             _actions.Enqueue(new ExecCommandInfo { actionType = actionType, dbSet = dbSet, stateType = stateType, state = state });
-        }
 
-        ~DbContext()
-        {
-            this.Dispose();
-        }
+        ~DbContext() => this.Dispose();
         bool _isdisposed = false;
         public void Dispose()
         {
diff --git a/FreeSql.DbContext/DbContext/DbContextOptionsBuilder.cs b/FreeSql.DbContext/DbContext/DbContextOptionsBuilder.cs
index 0801cfe2..02735dff 100644
--- a/FreeSql.DbContext/DbContext/DbContextOptionsBuilder.cs
+++ b/FreeSql.DbContext/DbContext/DbContextOptionsBuilder.cs
@@ -6,11 +6,17 @@ namespace FreeSql
     {
 
         internal IFreeSql _fsql;
+        internal DbContextOptions _options;
 
         public DbContextOptionsBuilder UseFreeSql(IFreeSql orm)
         {
             _fsql = orm;
             return this;
         }
+        public DbContextOptionsBuilder UseOptions(DbContextOptions options)
+        {
+            _options = options;
+            return this;
+        }
     }
 }
diff --git a/FreeSql.DbContext/DbSet/DbSet.cs b/FreeSql.DbContext/DbSet/DbSet.cs
index dbac00d5..59abb863 100644
--- a/FreeSql.DbContext/DbSet/DbSet.cs
+++ b/FreeSql.DbContext/DbSet/DbSet.cs
@@ -18,7 +18,7 @@ namespace FreeSql
         {
             _ctx = ctx;
             _uow = ctx._uow;
-            _fsql = ctx._fsql;
+            _fsql = ctx.Orm;
         }
     }
 
diff --git a/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs b/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
index f203537a..741f66f8 100644
--- a/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
+++ b/FreeSql.Tests/FreeSql.Tests/UnitTest1.cs
@@ -283,7 +283,7 @@ namespace FreeSql.Tests
         {
 
             [FreeSql.DataAnnotations.Column(IsPrimary = true)]
-            public Guid Id { get; set; }
+            public Guid Id { get; protected set; }
             public string TaskName { get; set; }
             public Guid TemplatesId { get; set; }
             public string GeneratePath { get; set; }
@@ -338,9 +338,23 @@ namespace FreeSql.Tests
             public DateTime class2 { set; get; }
         }
 
+        class TestDto
+        {
+            public Guid Id { get; set; }
+            public bool IsLeaf { get; set; }
+        }
+
         [Fact]
         public void Test1()
         {
+            var dkdkd = g.mysql.Select<TaskBuild>().AsTable((t,old) => "TaskBuild22")
+                .ToList< TestDto>(a => new TestDto()
+                {
+                    Id = a.Id,
+                    IsLeaf = g.mysql.Select<TaskBuild>().AsTable((t, old) => "TaskBuild22").Any(b => b.TemplatesId == a.Id)
+                });
+
+
             var xxxkdkd = g.oracle.Select<Templates, TaskBuild>()
                 .InnerJoin((a,b) => true)
                 .Where((a,b) => (DateTime.Now - a.EditTime).TotalMinutes > 100)
diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index a08490a0..e9b4b6fe 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -922,7 +922,12 @@ namespace FreeSql.Internal
                         var pp = expStack.Pop() as ParameterExpression;
                         var memberExp = expStack.Pop() as MemberExpression;
                         var tb = _common.GetTableByEntity(pp.Type);
-                        if (tb.ColumnsByCs.ContainsKey(memberExp.Member.Name) == false) throw new ArgumentException($"{tb.DbName} 找不到列 {memberExp.Member.Name}");
+                        if (tb.ColumnsByCs.ContainsKey(memberExp.Member.Name) == false)
+                        {
+                            if (tb.ColumnsByCsIgnore.ContainsKey(memberExp.Member.Name))
+                                throw new ArgumentException($"{tb.DbName}.{memberExp.Member.Name} 被忽略，请检查 IsIgnore 设置，确认 get/set 为 public");
+                            throw new ArgumentException($"{tb.DbName} 找不到列 {memberExp.Member.Name}");
+                        }
                         if (tsc._selectColumnMap != null)
                         {
                             tsc._selectColumnMap.Add(new SelectColumnInfo { Table = null, Column = tb.ColumnsByCs[memberExp.Member.Name] });
@@ -1079,6 +1084,8 @@ namespace FreeSql.Internal
                                             if (tb3.Columns.Any()) return "";
                                         }
                                     }
+                                    if (tb2.ColumnsByCsIgnore.ContainsKey(mp2.Member.Name))
+                                        throw new ArgumentException($"{tb2.DbName}.{mp2.Member.Name} 被忽略，请检查 IsIgnore 设置，确认 get/set 为 public");
                                     throw new ArgumentException($"{tb2.DbName} 找不到列 {mp2.Member.Name}");
                                 }
                                 var col2 = tb2.ColumnsByCs[mp2.Member.Name];