update: 预览环境配置

pm2-pre.json

 {
   "apps": [
     {
-      "name": "opwebservice",
+      "name": "opwebservice-preload",
       "script": "app.js",
       "log_date_format": "YYYY-MM-DD HH:mm Z",
       "cwd": "/home/services/op-web-service/htdocs",
       "exec_mode": "cluster",
       "instances": 0,
-      "error_file": "/home/services/op-web-service/logs/opwebservice.err.log",
-      "out_file": "/home/services/op-web-service/logs/opwebservice.out.log",
+      "error_file": "/home/services/op-web-service/logs/opwebservice-preload.err.log",
+      "out_file": "/home/services/op-web-service/logs/opwebservice-preload.out.log",
       "max_memory_restart": "1G",
       "env": {
         "NODE_ENV": "production",