diff --git a/docs/datacollect/README.md b/docs/datacollect/README.md
index 965f0a17..82a86c3f 100644
--- a/docs/datacollect/README.md
+++ b/docs/datacollect/README.md
@@ -92,7 +92,10 @@
 
 采集程序建立连接时，需要带上自身节点ID，连接URL如下所示:
 
-`ws://127.0.0.1:7790/gate/{nodeId}`
+`ws://127.0.0.1:7790/gate/{nodeId}/{version}`
+
+* `nodeId`: 采集节点ID
+* `version`: 采集节点配置版本号
 
 PS: 同一节点只允许建立一条连接。