Update 1.what-is-dashboard.md (#892) (#896)

* Update 1.what-is-dashboard.md

* Update 1.what-is-dashboard.md

docs-2.0/nebula-dashboard/1.what-is-dashboard.md

@@ -1,6 +1,10 @@
-# What is Nebula Dashboard
+# What is Nebula Dashboard Community Edition
 
-Nebula Dashboard (Dashboard for short) is a visualization tool that monitors the status of machines and services in Nebula Graph clusters.
+Nebula Dashboard (Dashboard for short) is a visualization tool that monitors the status of machines and services in Nebula Graph clusters. This topic introduces Dashboard Community Edition. For details of Dashboard Enterprise Edition, refer to [What is Nebula Dashboard Enterprise Edition](../nebula-dashboard-ent/what-is-dashboard-ent.md).
+
+!!! enterpriseonly
+
+    Dashboard Enterprise Edition adds features such as visual cluster creation, batch import of clusters, fast scaling, etc. For more information, see [Pricing](https://nebula-graph.com.cn/pricing/).
 
 ## Features
 
@@ -14,10 +18,6 @@ Dashboard monitors:
 
 - Features of the enterprise package (TODO: planning)
 
-!!! enterpriseonly
-
-    Dashboard has two editions, the Community Edition and the Enterprise Edition. Most of the functions are available in both. The functions only supported by the Enterprise Edition will be marked and explained.
-
 ## Scenarios
 
 You can use Dashboard in one of the following scenarios: