修改一下dockerfile

Change-Id: I97dc4e96c197c7e217ce9a671a814488202c8612
diff --git a/nginx.conf b/nginx.conf
index 2a1b5db..2d8c843 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -1,5 +1,5 @@
 server {
-    listen 3004;  # 修改为Docker Compose中映射的前端端口
+    listen 3004; 
 
     server_name _;  # 允许所有域名访问