diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 299c91e5..8fd2938a 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -120,6 +120,13 @@
             清空状态数据
             </summary>
         </member>
+        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
+            <summary>
+            根据 lambda 条件删除数据
+            </summary>
+            <param name="predicate"></param>
+            <returns></returns>
+        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加
@@ -388,5 +395,14 @@
             <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.Tests/FreeSql.Tests/DataAnnotations/EFCoreAttributeTest.cs b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/EFCoreAttributeTest.cs
new file mode 100644
index 00000000..f3dd26ae
--- /dev/null
+++ b/FreeSql.Tests/FreeSql.Tests/DataAnnotations/EFCoreAttributeTest.cs
@@ -0,0 +1,110 @@
+using FreeSql.Tests.DataContext.SqlServer;
+using System;
+using System.Data.SqlClient;
+using Xunit;
+
+namespace FreeSql.Tests.DataAnnotations
+{
+    public class EFCoreAttributeTest
+    {
+        IFreeSql fsql => g.sqlserver;
+
+        [Fact]
+        public void TableAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb01>();
+            fsql.CodeFirst.SyncStructure<eftesttb02>();
+            Assert.Equal("eftesttb_01", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb01)).DbName);
+            Assert.Equal("dbo.eftesttb_02", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb02)).DbName);
+        }
+        [System.ComponentModel.DataAnnotations.Schema.Table("eftesttb_01")]
+        class eftesttb01
+        {
+            public Guid id { get; set; }
+        }
+        [System.ComponentModel.DataAnnotations.Schema.Table("eftesttb_02", Schema = "dbo")]
+        class eftesttb02
+        {
+            public Guid id { get; set; }
+        }
+
+        [Fact]
+        public void MaxLengthAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb03>();
+            Assert.Equal("NVARCHAR(100)", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb03)).ColumnsByCs["title"].Attribute.DbType);
+        }
+        class eftesttb03
+        {
+            public Guid id { get; set; }
+            [System.ComponentModel.DataAnnotations.MaxLength(100)]
+            public string title { get; set; }
+        }
+
+        [Fact]
+        public void RequiredAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb04>();
+            Assert.False(fsql.CodeFirst.GetTableByEntity(typeof(eftesttb04)).ColumnsByCs["title"].Attribute.IsNullable);
+        }
+        class eftesttb04
+        {
+            public Guid id { get; set; }
+            [System.ComponentModel.DataAnnotations.Required]
+            public string title { get; set; }
+        }
+
+        [Fact]
+        public void NotMappedAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb05>();
+            Assert.False(fsql.CodeFirst.GetTableByEntity(typeof(eftesttb05)).ColumnsByCsIgnore.ContainsKey("id"));
+            Assert.True(fsql.CodeFirst.GetTableByEntity(typeof(eftesttb05)).ColumnsByCsIgnore.ContainsKey("title"));
+        }
+        class eftesttb05
+        {
+            public Guid id { get; set; }
+            [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+            public string title { get; set; }
+        }
+
+        [Fact]
+        public void ColumnAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb06>();
+            Assert.Equal("title_01", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title1"].Attribute.Name);
+            Assert.Equal("title_02", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title2"].Attribute.Name);
+            Assert.Equal("title_03", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title3"].Attribute.Name);
+
+            Assert.Equal(99, fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title2"].Attribute.Position);
+            Assert.Equal(98, fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title3"].Attribute.Position);
+
+            Assert.Equal("NVARCHAR(255)", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title1"].Attribute.DbType);
+            Assert.Equal("NVARCHAR(255)", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title2"].Attribute.DbType);
+            Assert.Equal("VARCHAR(100)", fsql.CodeFirst.GetTableByEntity(typeof(eftesttb06)).ColumnsByCs["title3"].Attribute.DbType);
+        }
+        class eftesttb06
+        {
+            public Guid id { get; set; }
+            [System.ComponentModel.DataAnnotations.Schema.Column("title_01")]
+            public string title1 { get; set; }
+            [System.ComponentModel.DataAnnotations.Schema.Column("title_02", Order = 99)]
+            public string title2 { get; set; }
+            [System.ComponentModel.DataAnnotations.Schema.Column("title_03", Order = 98, TypeName = "varchar(100)")]
+            public string title3 { get; set; }
+        }
+
+        [Fact]
+        public void KeyAttribute()
+        {
+            fsql.CodeFirst.SyncStructure<eftesttb07>();
+            Assert.True(fsql.CodeFirst.GetTableByEntity(typeof(eftesttb07)).ColumnsByCs["title"].Attribute.IsPrimary);
+        }
+        class eftesttb07
+        {
+            public Guid id { get; set; }
+            [System.ComponentModel.DataAnnotations.Key]
+            public string title { get; set; }
+        }
+    }
+}
diff --git a/FreeSql/FreeSqlBuilder.cs b/FreeSql/FreeSqlBuilder.cs
index 51a13af8..4a07cecf 100644
--- a/FreeSql/FreeSqlBuilder.cs
+++ b/FreeSql/FreeSqlBuilder.cs
@@ -286,7 +286,7 @@ namespace FreeSql
                             break;
                     }
                 }
-                //处理 MaxLength
+                //处理 MaxLength、EFCore 特性
                 ret.Aop.ConfigEntityProperty += new EventHandler<Aop.ConfigEntityPropertyEventArgs>((s, e) =>
                 {
                     object[] attrs = null;
@@ -296,17 +296,83 @@ namespace FreeSql
                     }
                     catch { }
 
-                    var maxlenAttr = attrs?.Where(a => {
+                    var dyattr = attrs?.Where(a => {
                         return ((a as Attribute)?.TypeId as Type)?.Name == "MaxLengthAttribute";
                     }).FirstOrDefault();
-                    if (maxlenAttr != null)
+                    if (dyattr != null)
                     {
-                        var lenProp = maxlenAttr.GetType().GetProperties().Where(a => a.PropertyType.IsNumberType()).FirstOrDefault();
-                        if (lenProp != null && int.TryParse(string.Concat(lenProp.GetValue(maxlenAttr, null)), out var tryval) && tryval != 0)
+                        var lenProp = dyattr.GetType().GetProperties().Where(a => a.PropertyType.IsNumberType()).FirstOrDefault();
+                        if (lenProp != null && int.TryParse(string.Concat(lenProp.GetValue(dyattr, null)), out var tryval) && tryval != 0)
                         {
                             e.ModifyResult.StringLength = tryval;
                         }
                     }
+
+                    dyattr = attrs?.Where(a => {
+                        return ((a as Attribute)?.TypeId as Type)?.FullName == "System.ComponentModel.DataAnnotations.RequiredAttribute";
+                    }).FirstOrDefault();
+                    if (dyattr != null)
+                    {
+                        e.ModifyResult.IsNullable = false;
+                    }
+
+                    dyattr = attrs?.Where(a => {
+                        return ((a as Attribute)?.TypeId as Type)?.FullName == "System.ComponentModel.DataAnnotations.Schema.NotMappedAttribute";
+                    }).FirstOrDefault();
+                    if (dyattr != null)
+                    {
+                        e.ModifyResult.IsIgnore = true;
+                    }
+
+                    dyattr = attrs?.Where(a => {
+                        return ((a as Attribute)?.TypeId as Type)?.FullName == "System.ComponentModel.DataAnnotations.Schema.ColumnAttribute";
+                    }).FirstOrDefault();
+                    if (dyattr != null)
+                    {
+                        var name = dyattr.GetType().GetProperties().Where(a => a.PropertyType == typeof(string) && a.Name == "Name").FirstOrDefault()?.GetValue(dyattr, null)?.ToString();
+                        short.TryParse(string.Concat(dyattr.GetType().GetProperties().Where(a => a.PropertyType == typeof(int) && a.Name == "Order").FirstOrDefault()?.GetValue(dyattr, null)), out var order);
+                        var typeName = dyattr.GetType().GetProperties().Where(a => a.PropertyType == typeof(string) && a.Name == "TypeName").FirstOrDefault()?.GetValue(dyattr, null)?.ToString();
+
+                        if (string.IsNullOrEmpty(name) == false)
+                            e.ModifyResult.Name = name;
+                        if (order != 0)
+                            e.ModifyResult.Position = order;
+                        if (string.IsNullOrEmpty(typeName) == false)
+                            e.ModifyResult.DbType = typeName;
+                    }
+
+                    dyattr = attrs?.Where(a => {
+                        return ((a as Attribute)?.TypeId as Type)?.FullName == "System.ComponentModel.DataAnnotations.KeyAttribute";
+                    }).FirstOrDefault();
+                    if (dyattr != null)
+                    {
+                        e.ModifyResult.IsPrimary = true;
+                    }
+                });
+                //EFCore 特性
+                ret.Aop.ConfigEntity += new EventHandler<Aop.ConfigEntityEventArgs>((s, e) =>
+                {
+                    object[] attrs = null;
+                    try
+                    {
+                        attrs = e.EntityType.GetCustomAttributes(false).ToArray(); //.net core 反射存在版本冲突问题，导致该方法异常
+                    }
+                    catch { }
+
+                    var dyattr = attrs?.Where(a => {
+                        return ((a as Attribute)?.TypeId as Type)?.FullName == "System.ComponentModel.DataAnnotations.Schema.TableAttribute";
+                    }).FirstOrDefault();
+                    if (dyattr != null)
+                    {
+                        var name = dyattr.GetType().GetProperties().Where(a => a.PropertyType == typeof(string) && a.Name == "Name").FirstOrDefault()?.GetValue(dyattr, null)?.ToString();
+                        var schema = dyattr.GetType().GetProperties().Where(a => a.PropertyType == typeof(string) && a.Name == "Schema").FirstOrDefault()?.GetValue(dyattr, null)?.ToString();
+                        if (string.IsNullOrEmpty(name) == false && string.IsNullOrEmpty(schema) == false)
+                            e.ModifyResult.Name = $"{schema}.{name}";
+                        else if (string.IsNullOrEmpty(name) == false)
+                            e.ModifyResult.Name = name;
+                        else if (string.IsNullOrEmpty(schema) == false)
+                            e.ModifyResult.Name = $"{schema}.{e.EntityType.Name}";
+                    }
                 });
             }