Update URL of project LFS-zh_CN

content/project/lfs-zh_CN.md

@@ -16,7 +16,7 @@ image_preview = "lfs-logo.png"
 tags = ["lfs", "docbook"]
 
 # Optional external URL for project (replaces project detail page).
-external_link = "/lfs-zh_CN"
+external_link = "/lfs/zh_CN"
 
 # Does the project detail page use math formatting?
 math = false