feat(demo): 优化demo

Author: xiaorongnie

examples/track-http/.env

@@ -1,9 +1,14 @@
-SERVER_IP_PUBLIC='58.82.168.197'
-SERVER_HOSTNAME='th-track.transcodegroup.cn'
-# Must configure a placeholder certificate even if not using https
-SSL_CERTIFICATE=/home/docker/nginx/ssl/placeholder
-WEB_PORT_HTTP=80
+#---------Server Info, must be filled in according to actual server info-----------------
 
+## Public IP
+SERVER_IP_PUBLIC='' #example: 58.82.168.197
+## HOSTNAME, use public IP if no domain
+SERVER_HOSTNAME='' #example: th-track.transcodegroup.cn
+
+#----------Custom Port Info, recommend opening 9000~9100, 443, 80--------
+# WEB_PORT_HTTP=80
+
+#----------Custom Password--------
 MYSQL_PASSWORD='12345678'
 REDIS_PASSWORD='12345678'
 MONGODB_PASSWORD='12345678'