diff --git a/docs/datacollect/README.md b/docs/datacollect/README.md
index 7a0607b5..a71bb7a4 100644
--- a/docs/datacollect/README.md
+++ b/docs/datacollect/README.md
@@ -71,6 +71,8 @@ PS: 同一节点只允许建立一条连接。
         {
             //设备ID
             "id": "11234131",
+            //设备IOT地址
+            "addr": "12341235",
             //属性列表
             "attrs":[
                 {