diff --git a/src/lib/playerPlugins/commands.js b/src/lib/playerPlugins/commands.js
index 707fba5..763be5d 100644
--- a/src/lib/playerPlugins/commands.js
+++ b/src/lib/playerPlugins/commands.js
@@ -1,104 +1,330 @@
 var Vec3 = require('vec3');
-
 module.exports = inject;
 
-function inject(serv, player, options) {
-  function handleCommand(command) {
-    var results;
-    if (options.commands[command])
-      player.chat("" + options.commands[command]);
-    else if (results = command.match(/^gamemode ([0-3])$/)) {
-      var gameMode = parseInt(results[1]);
-      player.setGameMode(gameMode);
-    }
-    else if (results = command.match(/^setblock/)) { // Like old version which uses ids
-      results = command.match(/^setblock (~|~?-?[0-9]*) (~|~?-?[0-9]*) (~|~?-?[0-9]*) ([0-9]{1,3})/);
-      if (!results) {
-        player.chat("Usage: /setblock <x> <y> <z> <id>");
-      }
-      else {
-        results = results.map(function (num, i) { // parseInt paramaters
-          if (num.indexOf('~') == 0) {
-            return (player.entity.position[['', 'x', 'y', 'z'][i]] >> 5) + parseInt(num.slice(1) || 0);
-          }
-          else
-            return parseInt(num); // return parseInt>>5 if position, not id
-        });
-        serv.setBlock(new Vec3(results[1], results[2], results[3]), results[4]);
-      }
-    }
-    else if (results = command.match(/^kick/)) {
-      results = command.match(/^kick ([a-zA-Z0-9_]+)(?: (.*))?/);
-      if (!results) {
-        player.chat("Usage: /kick <player> [reason]");
-      }
-      else {
-        var username = results[1];
-        var reason = results[2];
+var hash = {};
 
-        var kickPlayer = serv.getPlayer(username);
-        if (!kickPlayer)
-          player.chat(results[1] + " is not on this server!");
-        else {
-          kickPlayer.kick(reason);
-          kickPlayer.emit("kicked",player,reason);
-        }
-      }
-    }
-    else if (results = command.match(/^ban/)) {
-      results = command.match(/^ban ([a-zA-Z0-9_]+)(?: (.*))?/);
-      if (!results) {
-        player.chat("Usage: /ban <player> [reason]");
-      }
-      else {
-        username = results[1];
-        reason = results[2];
-        var banPlayer = serv.getPlayer(username);
-        if (banPlayer) {
-          banPlayer.ban(reason);
-          serv.emit("banned",player,username,reason);
-        }
-        else {
-          serv.banUsername(username, reason)
-            .then(()=>{
-              serv.emit("banned",player,username,reason);
-              player.chat(results[1] + " was banned");
-            })
-            .catch(err => player.chat(results[1] + " is not a valid player!"));
-        }
-      }
-    }
-    else if (results = command.match(/^pardon/)) {
-      results = command.match(/^pardon ([a-zA-Z0-9_]+)/);
-      if (!results) {
-        player.chat("Usage: /pardon <player>");
-      }
-      else {
-        serv.pardonUsername(results[1])
-          .then(()=> player.chat(results[1] + " is unbanned"))
-          .catch(err => player.chat(results[1] + " is not banned"));
-      }
-    }
-    else if(results = command.match(/^time (add|query|set)(?: ([0-9]+))?/)) {
-      var action=results[1];
-      var value=results[2]!==undefined ? parseInt(results[2]) : null;
-      if(action=="query")
-        player.chat("It is "+serv.time);
-      else if(action=="set") {
-        player.chat("Time was changed from "+serv.time+" to "+value);
-        serv.setTime(value);
-      }
-      else if(action=="add") {
-        player.chat("Time was changed from "+serv.time+" to "+(value + serv.time));
-        serv.setTime(value + serv.time);
-      }
-    }
-    else if(results = command.match(/^modpe (.+)$/)) {
-      player.emit("modpe",results[1]);
-    }
-    else
-      player.chat("Invalid command.");
+class Command {
+  constructor(params, parent) {
+    this.params = params;
+    this.parent = parent;
+    this.child = [];
+
+    this.updateHistory();
   }
 
-  player.handleCommand = handleCommand;
-}
\ No newline at end of file
+  static find(command) {
+    var res;
+    for(var key in hash) {
+      var space = hash[key].space(true);
+      if(space) space += '?';
+
+      var ended = space + '(.*)';
+
+      var finded = command.match(new RegExp('^' + key + ended));
+      if(finded) {
+        res = [hash[key], finded];
+      }
+    }
+
+    return res;
+  }
+
+  static use(command, serv, player, options) {
+    var res = this.find(command);
+
+    if(res) {
+      var parse = res[0].params.parse;
+      if(parse) {
+        if(typeof parse == 'function') {
+          res[1] = parse(res[1][1]);
+          if(res[1] === false) {
+            player.chat(res[0].params.usage ? 'Usage: ' + res[0].params.usage : 'Bad syntax');
+            return;
+          }
+        } else {
+          res[1] = res[1][1].match(parse);
+        }
+      } else {
+        res[1].shift();
+      }
+
+      res = res[0].params.action(res[1], serv, player, options);
+      if(res) player.chat('' + res);
+    } else {
+      player.chat('Command not found');
+    }
+  }
+
+  updateHistory() {
+    var all = '(.+?)';
+
+    var list = [this.params.base];
+    if(this.params.aliases && this.params.aliases.length) {
+      this.params.aliases.forEach(al => list.unshift(al));
+    }
+
+    list.forEach((command) => {
+      var parentBase = this.parent ? (this.parent.path || '') : '';
+      this.path = parentBase + this.space() + (command || all);
+      if(this.path == all && !this.parent) this.path = '';
+
+      if(this.path) hash[this.path] = this;
+    });
+  }
+
+  add(params) {
+    var command = new Command(params, this);
+    this.child.push(command);
+
+    return command;
+  }
+
+  space(end) {
+    var first = !(this.parent && this.parent.parent);
+    return this.params.merged || (!end && first) ? '' : ' ';
+  }
+}
+
+var base = new Command({ basic: true });
+
+base.add({
+  base: 'help',
+  info: 'for show all commands',
+  usage: '/help [command]',
+  action(params, serv, player, options) {
+    var c = params[0];
+
+    if(c) {
+      var res = Command.find(params[0])[0];
+
+      var help = res.params.help && res.params.help(params);
+      return help ? '' + help : 'Information not found';
+    } else {
+      var used = [];
+      for(var key in hash) {
+        if(used.indexOf(hash[key]) > -1) continue;
+        used.push(hash[key]);
+
+        if(hash[key].params.info) {
+          var str = '/' + hash[key].path + ' ' + hash[key].params.info;
+          if(hash[key].params.aliases && hash[key].params.aliases.length) {
+            str += ' (aliases: ' + hash[key].params.aliases.join(', ') + ')';
+          }
+
+          player.chat(str);
+        }
+      }
+    }
+  }
+});
+
+base.add({
+  base: 'gamemode',
+  aliases: ['gm'],
+  info: 'for change game mode',
+  usage: '/gamemode <0-3>',
+  parse() {
+    var mode = parseInt(params[0]);
+    if(mode < 0 || mode > 3) return false;
+    else return mode;
+  },
+  action(mode, serv, player) {
+    player.setGameMode(mode);
+  }
+});
+
+base.add({
+  base: 'setblock',
+  info: 'for put block',
+  usage: '/setblock <x> <y> <z> <id>',
+  parse(str) {
+    var results = str.match(/^(~|~?-?[0-9]*) (~|~?-?[0-9]*) (~|~?-?[0-9]*) ([0-9]{1,3})/);
+
+    if(!results) return false;
+    else return results;
+  },
+  action(params, serv, player) {
+    var res = params.map(function (num, i) { // parseInt paramaters
+      if (num.indexOf('~') == 0) {
+        return (player.entity.position[['', 'x', 'y', 'z'][i]] >> 5) + parseInt(num.slice(1) || 0);
+      } else {
+        return parseInt(num); // return parseInt>>5 if position, not id
+      }
+    });
+
+    serv.setBlock(new Vec3(res[1], res[2], res[3]), res[4]);
+  }
+});
+
+base.add({
+  base: 'kick',
+  info: 'for kick a player',
+  usage: '/kick <player> [reason]',
+  parse(str) {
+    var res = false;
+
+    if(str.match(/([a-zA-Z0-9_]+)(?: (.*))/)) {
+      str = str.split(' ');
+      var nick = str.shift();
+      var reason = str.join(' ');
+
+      res = [nick, reason];
+    }
+
+    return res;
+  },
+  action(params, serv, player) {
+    var username = params[0];
+    var reason = params[1];
+
+    var kickPlayer = serv.getPlayer(username);
+    if (!kickPlayer) {
+      player.chat(username + " is not on this server!");
+    } else {
+      kickPlayer.kick(reason);
+      kickPlayer.emit("kicked", player, reason);
+    }
+  }
+});
+
+base.add({
+  base: 'ban',
+  info: 'for ban a player',
+  usage: '/ban <player> [reason]',
+  parse(str) {
+    var res = false;
+
+    if(str.match(/([a-zA-Z0-9_]+)(?: (.*))/)) {
+      str = str.split(' ');
+      var nick = str.shift();
+      var reason = str.join(' ');
+
+      res = [nick, reason];
+    }
+
+    return res;
+  },
+  action(params, serv, player) {
+    var username = params[0];
+    var reason = params[1];
+
+    var banPlayer = serv.getPlayer(username);
+
+    if (!banPlayer) {
+      serv.banUsername(username, reason)
+      .then(() => {
+        serv.emit('banned', player, username, reason);
+        player.chat(username + ' was banned');
+      })
+      .catch(err => player.chat(username + " is not a valid player!"));
+    } else {
+      banPlayer.ban(reason);
+      serv.emit("banned", player, username, reason);
+    }
+  }
+});
+
+base.add({
+  base: 'pardon',
+  info: 'for pardon a player',
+  usage: '/pardon <player>',
+  parse(str) {
+    var res = false;
+
+    if(str.match(/([a-zA-Z0-9_]+)/)) {
+      res = str;
+    }
+
+    return res;
+  },
+  action(nick, serv, player) {
+    serv.pardonUsername(nick)
+    .then(()=> player.chat(nick + " is unbanned"))
+    .catch(err => player.chat(nick + " is not banned"));
+  }
+});
+
+base.add({
+  base: 'time',
+  info: 'for change a time',
+  usage: '/time <add|query|set> <value>',
+  parse(str) {
+    var res = false;
+
+    var data = str.match(/^(add|query|set)(?: ([0-9]+|day|night))?/);
+
+    if(data[2] == 'day') data[2] = 1000;
+    if(data[2] == 'night') data[2] = 13000;
+
+    return [data[1], data[2]];
+  },
+  action(params, serv, player) {
+    var action = params[0];
+    var value = params[1] !== undefined ? parseInt(params[1]) : null;
+
+    if(action == "query") {
+      player.chat("It is "+serv.time);
+    } else {
+      var newTime;
+
+      if(action == "set") {
+        newTime = value;
+      } else if(action == "add") {
+        newTime = value + serv.time;
+      }
+
+      player.chat("Time was changed from " + serv.time + " to " + newTime);
+      serv.setTime(newTime);
+    }
+  }
+});
+
+base.add({
+  base: 'day',
+  info: 'for change a time to day',
+  usage: '/day',
+  action(params, serv, player) {
+    player.handleCommand('time set day');
+  }
+});
+
+base.add({
+  base: 'night',
+  info: 'for change a time to night',
+  usage: '/night',
+  action(params, serv, player) {
+    player.handleCommand('time set night');
+  }
+});
+
+base.add({
+  base: 'modpe',
+  info: 'for modpe commands',
+  usage: '/modpe <params>',
+  parse(str) { return str ? str : false },
+  action(str, serv, player) {
+    player.emit("modpe", str);
+  }
+});
+
+base.add({
+  base: 'version',
+  info: 'for get version of the server',
+  action() {
+    return 'This server is running flying-squid version 0.1.0';
+  }
+});
+
+base.add({
+  base: 'bug',
+  info: 'for bug report',
+  action() {
+    return 'Report bugs / issues here: https://github.com/mhsjlw/flying-squid/issues';
+  }
+});
+
+function inject(serv, player, options) {
+  player.handleCommand = function(str) {
+    return Command.use(str, serv, player, options);
+  };
+}