Update books/free-programming-books-zh.md

LuigiImVector · davorpa · web-flow · commit b912acca639d · 2022-08-07T10:21:31.000+02:00
Co-authored-by: David Ordás &lt;3125580+davorpa@users.noreply.github.com&gt;
diff --git a/books/free-programming-books-zh.md b/books/free-programming-books-zh.md
@@ -592,7 +592,7 @@
 
 ### Lua
 
-* [Lua 5.3 参考手册](https://www.runoob.com/lua/)
+* [Lua 5.3 参考手册](https://www.runoob.com/manual/lua53doc/)
 
 
 ### Markdown
