diff --git a/DOC/API/plugin.md b/DOC/API/plugin.md
new file mode 100644
index 0000000..b82c08a
--- /dev/null
+++ b/DOC/API/plugin.md
@@ -0,0 +1,12 @@
+## Plugin API
+
+### POST /plugin/action/
+
+Request:
+
+    {
+        "plugin": "ssh",
+        "action": "update_passwd"
+    }
+
+Response.
diff --git a/plugin/ssh/locale/zh_CN.json b/plugin/ssh/locale/zh_CN.json
index 12e743d..a4a97e4 100644
--- a/plugin/ssh/locale/zh_CN.json
+++ b/plugin/ssh/locale/zh_CN.json
@@ -1,3 +1,4 @@
 {
-  "name": "SSH"
+  "name": "SSH",
+  "description": "SSH 是 RootPanel 的基础服务，除了提供 SSH 登录之外，还负责监控其他各种资源的使用"
 }