diff --git a/OpenAuth.App/Flow/FlowRuntime.cs b/OpenAuth.App/Flow/FlowRuntime.cs
index 24e5e7c5..50d6f9f5 100644
--- a/OpenAuth.App/Flow/FlowRuntime.cs
+++ b/OpenAuth.App/Flow/FlowRuntime.cs
@@ -611,11 +611,13 @@ namespace OpenAuth.App.Flow
             //如果request为空，则应该是草稿状态变为启动，或为网关节点，使用nextNode的setInfo
             if (request == null)
             {
-                request = new NodeDesignateReq
-                {
-                    NodeDesignateType = nextNode.setInfo.NodeDesignate,
-                    NodeDesignates = nextNode.setInfo.NodeDesignateData.datas
-                };
+                request = new NodeDesignateReq();
+            }
+
+            //从url审批过来的，request不为空，但是这两个属性是空的
+            if(request.NodeDesignateType == null || request.NodeDesignates == null){
+                request.NodeDesignateType = nextNode.setInfo.NodeDesignate;
+                request.NodeDesignates = nextNode.setInfo.NodeDesignateData.datas;
             }
 
             if (GetNextNodeType() == Define.NODE_TYPE_FORK) //如果是网关节点
diff --git a/newdocs/docs/notes/pro/selectusercom.md b/newdocs/docs/notes/pro/selectusercom.md
index 1886bdba..8af81d06 100644
--- a/newdocs/docs/notes/pro/selectusercom.md
+++ b/newdocs/docs/notes/pro/selectusercom.md
@@ -30,6 +30,7 @@ SelectUsersCom是一个用于选择用户或角色的组件，提供了两种使
 | users | Object | - | 初始选中项ID列表或对象列表 |
 | inType | String | 'id' | 父级传入的是id列表还是对象列表，取值为'id'或'obj' |
 | modelValue | Boolean | false | 控制对话框显示 |
+| single | Boolean | false | 是否单选，true时只能选择一个用户/角色 |
 
 ### 事件说明
 
@@ -87,6 +88,7 @@ const handleSave = () => {
 | userNames | String | '' | 用户名称（逗号分隔） |
 | placeholder | String | '' | 输入框占位符 |
 | ignoreAuth | Boolean | false | 是否忽略权限限制 |
+| single | Boolean | false | 是否单选，true时只能选择一个用户/角色 |
 
 ### 事件说明