text: function getFinishLabs() {
      const sto = wx.getStorageSync('finishLabs');
      if (sto) {
          return JSON.parse(sto);
      }
      return {};
  }
  
  function finish(id) {
      const current = getFinishLabs();
      current[id] = 1;
      wx.setStorageSync('finishLabs', JSON.stringify(current));
  }
  
  function clear() {
      wx.setStorageSync('finishLabs', '');
  }
  
  module.exports = { getFinishLabs, finish, clear };