dm: update prerequisites for webui (#11032) (#11033)

* dm: update prerequisites for webui * Update dm/dm-webui-guide.md * Update dm/dm-webui-guide.md Co-authored-by: Daniël van Eeden <github@myname.nl> Co-authored-by: Ran <huangran@pingcap.com> Co-authored-by: Daniël van Eeden <github@myname.nl>
pingcap · Oct 26, 2022 · b8544b5 · b8544b5
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diff --git a/dm/dm-webui-guide.md b/dm/dm-webui-guide.md
@@ -29,7 +29,7 @@ The interface is as follows:
 
 ## Access method
 
-You can access DM WebUI from any master node of the DM cluster. The access port is `8261` by default and is the same as that of DM OpenAPI. Here is an example of an access address: `http://{master_ip}:{master_port}/dashboard/`.
+When [OpenAPI](/dm/dm-open-api.md#maintain-dm-clusters-using-openapi) is enabled, you can access the DM WebUI from any master node of the DM cluster. The access port is `8261` by default and is the same as that of DM OpenAPI. Here is an example of an access address: `http://{master_ip}:{master_port}/dashboard/`.
 
 ## Migration