3.3.0 fix

distributed-print/install/nginx/teachcloud.conf

@@ -2,14 +2,12 @@ server {
         listen 7400;
         charset utf-8;
 
-        # ֪ѧ֪¿¼
         location ^~ / {
 			root  ../../teachcloud/web/print/;
 			index  index.html index.htm;
 			try_files $uri $uri/ /index.html;
 		}
 
-		# Ôľí¶Ë
         location /mark/ {
             alias  ../../teachcloud/web/mark/;
             index  index.html index.htm;