ros安装时运行rosdep uodate 的time out问题

按照文中的方式来解决rosdep update延时的问题，运行到最后两行的时候就显示超时了，这该怎么解决啊，装了一下午没弄好。

关于ERROR: error loading sources list: The read operation timed out 的解决方法_feiyue3的博客-CSDN博客 在ubuntu 20.04系统下ROS平台安装时，初始化rosdep报错，在进行rosdep update出现超时报错reading in sources list data from /etc/ros/rosdep/sources.list.dERROR: error loading sources list: The read operation timed out参考网上各种方法，依然无法解决，直到找到以下博客找到问题，链接如下：https://blog.csdn.ne.. https://blog.csdn.net/weixin_44028876/article/details/120201324?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522163610930216780366568397%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=163610930216780366568397&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~hot_rank-1-120201324.pc_search_mgc_flag&utm_term=ERROR%3A+error+loading+sources+list%3A+%09%28%27The+read+operation+timed+out%27%2C%29&spm=1018.2226.3001.4187