export function deepMerge(...objs: any[]): any {
  const result = Object.create(null);
  objs.forEach(obj => {
    if (obj) {
      Object.keys(obj).forEach(key => {
        const val = obj[key];
        if (isPlainObject(val)) {
          if(isPlainObject(result[key])){
            result[key] = deepMerge(result[key],val);
          }
          result[key] = deepMerge(val);
        } else {
          result[key] = val;
        }
      })
    }
  })
  return result;
}

如题；如果是数组的话好像直接拷贝过去的没有经过深度遍历拷贝