Can you help me?

Hello,

The plugin does not work at the times I set on my server, what kind of way should I follow?

Submit your config.
Check if the time is the same on your computer and on the host computer where the server is installed. (Maybe different from each other, that's why it doesn't work for you)

{
  "General settings": {
    "Use chat messages": true,
    "Use UI notifications": true,
    "Use GameTip notifications": false,
    "Use the tick effect": true,
    "Use warning effect": true,
    "Tick effect used": "assets/bundled/prefabs/fx/notice/loot.drag.dropsuccess.fx.prefab",
    "Warning effect used": "assets/bundled/prefabs/fx/item_unlock.prefab",
    "SteamID of the profile for the custom avatar": 0
  },
  "List of unique names(keys) of restart reasons - [ Setting up text in lang ]": [
    "M_DEFAULT",
    "M_1",
    "M_2"
  ],
  "Configuring scheduled restarts [ Any command can be scheduled at any time ]": {
    "23:59": "restart 300 M_1"
  },
  "Setting warnings N minutes before restart": [
    60,
    45,
    30,
    15,
    10,
    5
  ]
}

Have you checked the time?

Changed Status from Pending to Closed