diff --git a/broker/nginx/imserver.conf b/broker/nginx/imserver.conf
index 2fc484b1..dfce1b19 100644
--- a/broker/nginx/imserver.conf
+++ b/broker/nginx/imserver.conf
@@ -9,6 +9,7 @@ server {
     root   html;
     index  index.html index.htm index.php;
 
+    #同步服务设置
     location /route {
         proxy_set_header  Host  $host;
         proxy_set_header  X-real-ip $remote_addr;
@@ -16,7 +17,7 @@ server {
         proxy_pass  http://imserver;
     }
 
-    #社区版需要启用下面一段，专业版不能用
+    #客户端短连接业务
     location /im {
         proxy_set_header  Host  $host;
         proxy_set_header  X-real-ip $remote_addr;
@@ -24,10 +25,12 @@ server {
         proxy_pass  http://imserver;
     }
 
+    #版本检查/api/version，可以删掉
     location /api {
         proxy_pass  http://imserver;
     }
 
+    #内置文件上传和下载
     location /fs {
         client_max_body_size 200M;
         proxy_set_header  Host  $host;
@@ -36,6 +39,7 @@ server {
         proxy_pass  http://imserver;
     }
 
+    #机器人API
     location /robot {
         proxy_set_header  Host  $host;
         proxy_set_header  X-real-ip $remote_addr;
@@ -43,6 +47,7 @@ server {
         proxy_pass  http://imserver;
     }
 
+    #频道API
     location /channel {
         proxy_set_header  Host  $host;
         proxy_set_header  X-real-ip $remote_addr;