text: 
  /**
   *  @info: statisticsDao
   *  @author: chriscai
   *  @date: 2014-01-14
   */
  
  module.exports  = function (db){
      var Statistics = db.define("b_statistics", {
          id          : Number,
          projectId   : Number,
          startDate   : Date,
          endDate     : Date,
          content     : String,
          total       : Number
      });
  
      return Statistics;
  }
  