code: function fixPrjConf(projects) {
  	var p, conf;
  	for (p in projects) {
  		conf = projects[p];
  		conf.path && conf.path.slice(-1)!=='/' && (conf.path += '/');
  		conf.build_path && conf.build_path.slice(-1)!=='/' && (conf.build_path += '/');
  		conf.charset || (conf.charset = 'utf8');
  	}
  }
docs: 修正项目配置：1、路径后加反斜线；2、默认编码使用utf8