apps' status are chaos when stopping occurs an error

[HQidea]

app is still online, but isCurrWorking is false

error:

20180322-11:06:46.299 INFO #10821 MASTER unmout_app : appname_2.2.4_1 (target/honeycomb/lib/master.js:502:7) 127.0.0.1
20180322-11:06:46.324 ERROR #10821 NGINX nginx_config_error nginx: [emerg] "client_max_body_size" directive is duplicate in /path/to/conf/custom.conf:1
configuration file /path/to/conf/nginx-proxy.conf test failed
(target/honeycomb/lib/proxy/nginx.js:347:13) 127.0.0.1
20180322-11:06:46.325 ERROR #10833 stop_app_failed { name: 'Error',
message: 'nginx reload failed, config error:Error: Command failed: /path/to/tengine/bin/tengine -t -c /path/to/conf/nginx-proxy.conf\nnginx: [emerg] "client_max_body_size" directive is duplicate in /path/to/conf/custom.conf:1\nconfiguration file /path/to/conf/nginx-proxy.conf test failed\n' } (lib/admin/single_api/app.js:40:11) 127.0.0.1
20180322-11:06:46.326 ERROR #10833 [ADMIN] controller error { code: 'STOP_APP_ERROR',
message: 'nginx reload failed, config error:Error: Command failed: /path/to/tengine/bin/tengine -t -c /path/to/conf/nginx-proxy.conf\nnginx: [emerg] "client_max_body_size" directive is duplicate in /path/to/conf/custom.conf:1\nconfiguration file /path/to/conf/nginx-proxy.conf test failed\n' } (lib/admin/index.js:36:11) 127.0.0.1