diff --git a/Directory.Build.props b/Directory.Build.props
index 373f2363..03c0c575 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -9,7 +9,7 @@
 	</PropertyGroup>
 
 	<PropertyGroup>
-		<Version>3.2.663</Version>
+		<Version>3.2.664</Version>
 	</PropertyGroup>
 	
 	<ItemGroup>
diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 6b638cad..1ab5bf1c 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -795,5 +795,14 @@
             <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/Internal/CommonUtils.cs b/FreeSql/Internal/CommonUtils.cs
index 786bc2b3..f502a05f 100644
--- a/FreeSql/Internal/CommonUtils.cs
+++ b/FreeSql/Internal/CommonUtils.cs
@@ -648,14 +648,18 @@ namespace FreeSql.Internal
                                 {
                                     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 (dic.ContainsKey(prop.Name)) dic[prop.Name] = otherComment;
+                                        else dic.Add(prop.Name, otherComment);
+                                    }
                                 }
                                 continue;
                             }
                             var comment = node.InnerXml.Trim(' ', '\r', '\n', '\t');
                             if (string.IsNullOrEmpty(comment)) continue;
 
-                            dic.Add(prop.Name, comment);
+                            if (dic.ContainsKey(prop.Name)) dic[prop.Name] = comment;
+                            else dic.Add(prop.Name, comment);
                         }
                     }
                 }