code: function(func,args){
      if(!(typeof func === 'function')){
        throw new Error('The arguments must passed and they be a function .');
      }
      var funcStr = func.toString();
      var regexpComment = /\/\*([\s\S]*?)\*\//;
      var regexpVariable = /#{([\s\S]*?)}/g;
      if(!regexpComment.test(funcStr)){
        throw new Error("Comment not found.");
      }
      var match = regexpComment.exec(funcStr);
      var str = match[1];
      if(regexpVariable.test(str) && !args){
        throw new Error('args not passed .');
      }
      return str.replace(regexpVariable, function(match, key, index, str){
        key = key.trim();
        if(!(key in args)){
          throw new Error(key + ' is not passed from arguments.', key);
          return '';
        }else{
          return args[key];
        }
      });
    }
docs: [multiline]
  @param  {[function]} func [function(){//}]
  @param  {[object]}   args [{ name: 'lsong' }}]
  @return {[string]}   str