diff --git a/Examples/base_entity/Program.cs b/Examples/base_entity/Program.cs
index 9afddbb3..311acc99 100644
--- a/Examples/base_entity/Program.cs
+++ b/Examples/base_entity/Program.cs
@@ -265,6 +265,18 @@ namespace base_entity
             public string Name { get; set; }
         }
 
+        interface IDeleteSoft
+        {
+            /// <summary>
+            /// 软删除
+            /// </summary>
+            bool IsDeleted { get; set; }
+        }
+        class TestComment01 : IDeleteSoft
+        {
+            public bool IsDeleted { get; set; }
+        }
+
         static void Main(string[] args)
         {
             #region 初始化 IFreeSql
@@ -313,6 +325,7 @@ namespace base_entity
             BaseEntity.Initialization(fsql, () => _asyncUow.Value);
             #endregion
 
+            fsql.CodeFirst.GetTableByEntity(typeof(TestComment01));
 
             fsql.Select<TUserImg>();
 
diff --git a/Examples/base_entity/base_entity.xml b/Examples/base_entity/base_entity.xml
index 430381e1..c340101f 100644
--- a/Examples/base_entity/base_entity.xml
+++ b/Examples/base_entity/base_entity.xml
@@ -74,6 +74,11 @@
             创建日期2
             </summary>
         </member>
+        <member name="P:base_entity.Program.IDeleteSoft.IsDeleted">
+            <summary>
+            软删除
+            </summary>
+        </member>
         <member name="T:EMSServerModel.Model.Role">
             <summary>
             角色表
diff --git a/FreeSql/Internal/CommonUtils.cs b/FreeSql/Internal/CommonUtils.cs
index d72cd338..786bc2b3 100644
--- a/FreeSql/Internal/CommonUtils.cs
+++ b/FreeSql/Internal/CommonUtils.cs
@@ -635,25 +635,28 @@ namespace FreeSql.Internal
                         if (string.IsNullOrEmpty(comment) == false) dic.Add("", comment); //class注释
                     }
 
-                    var props = localType.GetPropertiesDictIgnoreCase().Values;
-                    foreach (var prop in props)
+                    foreach (var entityType in localType.GetInterfaces().Concat(new[] { localType }))
                     {
-                        className = (prop.DeclaringType.IsNested ? $"{prop.DeclaringType.Namespace}.{prop.DeclaringType.DeclaringType.Name}.{prop.DeclaringType.Name}" : $"{prop.DeclaringType.Namespace}.{prop.DeclaringType.Name}").Trim('.');
-                        node = xmlNav.SelectSingleNode($"/doc/members/member[@name='P:{className}.{prop.Name}']/summary");
-                        if (node == null)
+                        var props = entityType.GetPropertiesDictIgnoreCase().Values;
+                        foreach (var prop in props)
                         {
-                            if (level == 0 && prop.DeclaringType.Assembly != localType.Assembly)
+                            className = (prop.DeclaringType.IsNested ? $"{prop.DeclaringType.Namespace}.{prop.DeclaringType.DeclaringType.Name}.{prop.DeclaringType.Name}" : $"{prop.DeclaringType.Namespace}.{prop.DeclaringType.Name}").Trim('.');
+                            node = xmlNav.SelectSingleNode($"/doc/members/member[@name='P:{className}.{prop.Name}']/summary");
+                            if (node == null)
                             {
-                                var cbs = LocalGetComment(prop.DeclaringType, level + 1);
-                                if (cbs != null && cbs.TryGetValue(prop.Name, out var otherComment) && string.IsNullOrEmpty(otherComment) == false)
-                                    dic.Add(prop.Name, otherComment);
+                                if (level == 0 && prop.DeclaringType.Assembly != entityType.Assembly)
+                                {
+                                    var cbs = LocalGetComment(prop.DeclaringType, level + 1);
+                                    if (cbs != null && cbs.TryGetValue(prop.Name, out var otherComment) && string.IsNullOrEmpty(otherComment) == false)
+                                        dic.Add(prop.Name, otherComment);
+                                }
+                                continue;
                             }
-                            continue;
-                        }
-                        var comment = node.InnerXml.Trim(' ', '\r', '\n', '\t');
-                        if (string.IsNullOrEmpty(comment)) continue;
+                            var comment = node.InnerXml.Trim(' ', '\r', '\n', '\t');
+                            if (string.IsNullOrEmpty(comment)) continue;
 
-                        dic.Add(prop.Name, comment);
+                            dic.Add(prop.Name, comment);
+                        }
                     }
                 }
                 return dic;