GETRENDERERDATA获取数据失败

[qidasheng369]

描述问题：

官网demo中的GETRENDERERDATA表达式函数获取获取数据失败

截图或视频：

如何复现（请务必完整填写下面内容）：

1. 你是如何使用 amis 的？ 官网demo

2. amis 版本是什么？请先在最新 beta 版本测试问题是否存在 GitHub中release的最新版本时6.0.0 6.0.0

3. 粘贴有问题的完整 amis schema 代码：

   {
   "type": "page",
   "body": [
   {
     "type": "form",
     "id": "form_get_render",
     "wrapWithPanel": false,
     "data": {
       "name": "amis",
       "age": "18"
     },
     "body": [
       {
         "type": "input-text",
         "name": "name",
         "label": "name"
       },
       {
         "type": "input-text",
         "name": "age",
         "label": "age"
       }
     ],
     "className": "mb-2"
   },
   {
     "type": "button",
     "className": "mt-2",
     "label": "获取表单相关数据",
     "level": "primary",
     "onEvent": {
       "click": {
         "actions": [
           {
             "actionType": "toast",
             "args": {
               "msg": "name:${GETRENDERERDATA(\"form_get_render\", \"name\")},type:${GETRENDERERPROP(\"form_get_render\", \"type\")}"
             }
           }
         ]
       }
     }
   }
   ]
   }

4. 操作步骤 直接在官网demo中，点击【获取表单相关数据】操作即可。

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