diff --git a/Examples/base_entity/Program.cs b/Examples/base_entity/Program.cs
index 54ceec11..35712f50 100644
--- a/Examples/base_entity/Program.cs
+++ b/Examples/base_entity/Program.cs
@@ -110,6 +110,7 @@ namespace base_entity
             public Guid id { get; set; }
             public string msg { get; set; }
             public DateTime createtime { get; set; }
+            public int click { get; set; }
         }
 
         public class SomeEntity
@@ -503,14 +504,14 @@ namespace base_entity
 
             var testitems = new[]
             {
-                new AsTableLog{ msg = "msg01", createtime = DateTime.Parse("2022-1-1 13:00:11") },
-                new AsTableLog{ msg = "msg02", createtime = DateTime.Parse("2022-1-2 14:00:12") },
-                new AsTableLog{ msg = "msg03", createtime = DateTime.Parse("2022-2-2 15:00:13") },
-                new AsTableLog{ msg = "msg04", createtime = DateTime.Parse("2022-2-8 15:00:13") },
-                new AsTableLog{ msg = "msg05", createtime = DateTime.Parse("2022-3-8 15:00:13") },
-                new AsTableLog{ msg = "msg06", createtime = DateTime.Parse("2022-4-8 15:00:13") },
-                new AsTableLog{ msg = "msg07", createtime = DateTime.Parse("2022-6-8 15:00:13") },
-                new AsTableLog{ msg = "msg07", createtime = DateTime.Parse("2022-7-1") }
+                new AsTableLog{ msg = "msg01", createtime = DateTime.Parse("2022-1-1 13:00:11"), click = 1 },
+                new AsTableLog{ msg = "msg02", createtime = DateTime.Parse("2022-1-2 14:00:12"), click = 2 },
+                new AsTableLog{ msg = "msg03", createtime = DateTime.Parse("2022-2-2 15:00:13"), click = 3 },
+                new AsTableLog{ msg = "msg04", createtime = DateTime.Parse("2022-2-8 15:00:13"), click = 4 },
+                new AsTableLog{ msg = "msg05", createtime = DateTime.Parse("2022-3-8 15:00:13"), click = 5 },
+                new AsTableLog{ msg = "msg06", createtime = DateTime.Parse("2022-4-8 15:00:13"), click = 6 },
+                new AsTableLog{ msg = "msg07", createtime = DateTime.Parse("2022-6-8 15:00:13"), click = 7 },
+                new AsTableLog{ msg = "msg07", createtime = DateTime.Parse("2022-7-1"), click = 8}
             };
             var sqlatb = fsql.Insert(testitems).NoneParameter();
             var sqlat = sqlatb.ToSql();
@@ -596,6 +597,15 @@ namespace base_entity
             var sqls601 = sqls6.ToSql();
             var sqls602 = sqls6.ToList();
 
+            var sqls7 = fsql.Select<AsTableLog>().Where(a => a.createtime < DateTime.Parse("2022-5-1")).ToAggregate(g => new
+            {
+                sum1 = g.Sum(g.Key.click),
+                cou1 = g.Count(),
+                avg1 = g.Avg(g.Key.click),
+                min = g.Min(g.Key.click),
+                max = g.Max(g.Key.click)
+            });
+
             fsql.Aop.AuditValue += new EventHandler<FreeSql.Aop.AuditValueEventArgs>((_, e) =>
             {
                 
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index d34b34ef..4335acb5 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -786,14 +786,5 @@
             <param name="that"></param>
             <returns></returns>
         </member>
-        <member name="M:Microsoft.Extensions.DependencyInjection.FreeSqlRepositoryDependencyInjection.AddFreeRepository(Microsoft.Extensions.DependencyInjection.IServiceCollection,System.Action{FreeSql.FluentDataFilter},System.Reflection.Assembly[])">
-            <summary>
-            批量注入 Repository，可以参考代码自行调整
-            </summary>
-            <param name="services"></param>
-            <param name="globalDataFilter"></param>
-            <param name="assemblies"></param>
-            <returns></returns>
-        </member>
     </members>
 </doc>
diff --git a/FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs b/FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs
index 9cdbfed4..12988a7b 100644
--- a/FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs
+++ b/FreeSql/Internal/CommonProvider/SelectProvider/Select0ProviderReader.cs
@@ -1084,7 +1084,38 @@ namespace FreeSql.Internal.CommonProvider
                 var index = 0;
 
                 _commonExpression.ReadAnonymousField(_tables, field, map, ref index, select, null, null, _whereGlobalFilter, null, null, false); //不走 DTO 映射，不处理 IncludeMany
-                return this.ToListMapReader<TReturn>(new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null)).FirstOrDefault();
+                var af = new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null);
+                if (GetTableRuleUnions().Count <= 1) return this.ToListMapReader<TReturn>(af).FirstOrDefault();
+
+                var affield = af.field;
+                var allMemExps = new FindAllMemberExpressionVisitor(this);
+                allMemExps.Visit(select);
+                field.Clear();
+                var fieldAlias = new Dictionary<string, bool>();
+                var fieldReplaced = new Dictionary<string, bool>();
+                foreach (var memExp in allMemExps.Result)
+                {
+                    var gef = GetExpressionField(memExp.Item1, FieldAliasOptions.AsProperty);
+                    var geffield = gef.field;
+                    if (fieldReplaced.ContainsKey(geffield)) continue;
+                    fieldReplaced.Add(geffield, true);
+
+                    field.Append(", ").Append(gef.field);
+                    if (fieldAlias.ContainsKey(memExp.Item2.Attribute.Name))
+                    {
+                        field.Append(_commonUtils.FieldAsAlias($"aas{fieldAlias.Count}"));
+                        affield = affield.Replace(geffield, $"ftba.aas{fieldAlias.Count}");
+                    }
+                    else
+                    {
+                        fieldAlias.Add(memExp.Item2.Attribute.Name, true);
+                        affield = affield.Replace(geffield, $"ftba.{string.Join(".", geffield.Split('.').Skip(1))}");
+                    }
+                }
+
+                var sql = this.ToSql(field.Remove(0, 2).ToString());
+                sql = $"{_select} {affield} FROM ( \r\n    {sql.Replace("\r\n", "\r\n    ")}\r\n) ftba";
+                return ToListMrPrivate<TReturn>(sql, af, null).FirstOrDefault();
             }
             finally
             {
@@ -1543,7 +1574,38 @@ namespace FreeSql.Internal.CommonProvider
                 var index = 0;
 
                 _commonExpression.ReadAnonymousField(_tables, field, map, ref index, select, null, null, _whereGlobalFilter, null, null, false); //不走 DTO 映射，不处理 IncludeMany
-                return (await this.ToListMapReaderAsync<TReturn>(new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null), cancellationToken)).FirstOrDefault();
+                var af = new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null);
+                if (GetTableRuleUnions().Count <= 1) return (await this.ToListMapReaderAsync<TReturn>(af, cancellationToken)).FirstOrDefault();
+
+                var affield = af.field;
+                var allMemExps = new FindAllMemberExpressionVisitor(this);
+                allMemExps.Visit(select);
+                field.Clear();
+                var fieldAlias = new Dictionary<string, bool>();
+                var fieldReplaced = new Dictionary<string, bool>();
+                foreach (var memExp in allMemExps.Result)
+                {
+                    var gef = GetExpressionField(memExp.Item1, FieldAliasOptions.AsProperty);
+                    var geffield = gef.field;
+                    if (fieldReplaced.ContainsKey(geffield)) continue;
+                    fieldReplaced.Add(geffield, true);
+
+                    field.Append(", ").Append(gef.field);
+                    if (fieldAlias.ContainsKey(memExp.Item2.Attribute.Name))
+                    {
+                        field.Append(_commonUtils.FieldAsAlias($"aas{fieldAlias.Count}"));
+                        affield = affield.Replace(geffield, $"ftba.aas{fieldAlias.Count}");
+                    }
+                    else
+                    {
+                        fieldAlias.Add(memExp.Item2.Attribute.Name, true);
+                        affield = affield.Replace(geffield, $"ftba.{string.Join(".", geffield.Split('.').Skip(1))}");
+                    }
+                }
+
+                var sql = this.ToSql(field.Remove(0, 2).ToString());
+                sql = $"{_select} {affield} FROM ( \r\n    {sql.Replace("\r\n", "\r\n    ")}\r\n) ftba";
+                return (await ToListMrPrivateAsync<TReturn>(sql, af, null, cancellationToken)).FirstOrDefault();
             }
             finally
             {