         <link rel="stylesheet" href={join(relative(ROOT, __dirname), 'assets', 'exp-calc.css')} />
         <Grid>
           <Col xs={shipRow}>
-            <Input type="select" label="舰娘" onChange={@handleShipChange}>
+            <Input type="select" label="舰娘" value={@state.lastShipId} onChange={@handleShipChange}>
               <option key={0}>空</option>
               {
                 {$ships} = window

  link: 'https://github.com/Chibaheit'
  version: '1.1.0'
  reactClass: React.createClass
    lastShipId: 0
    getInitialState: ->
      _ships: null
      currentLevel: 1
      nextExp: 100

    handleShipChange: (e) ->
      {$ships} = window
      {_ships} = @state
      if e && e.target.value != @state.lastShipId
        @setState
          lastShipId: e.target.value
      [_currentLevel, _nextExp, _goalLevel] = getExpInfo @state.lastShipId
      @handleExpChange _currentLevel, _nextExp, _goalLevel, @state.mapValue, @state.mapPercent
    handleCurrentLevelChange: (e) ->
      @handleExpChange e.target.value, @state.nextExp, @state.goalLevel, @state.mapValue, @state.mapPercent
    handleNextExpChange: (e) ->
