"Invalid URI: Failed to parse certificate Authority/host" occurred

This error occurs because a slash is missing in the URL, and the normal URL is "http:" with two slashes behind it, and I accidentally delete a slash when I modify the IP address portion of the URL in the configuration file, for example: HTTP:/BLOG.CSDN.NET/TESTCS_DN, Such a URL would have no problem entering access in the Chrome address bar, but there was an exception when the URL was invoked in a program written in C #: Invalid URI: Failed to parse the certification authority/host.

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