diff --git a/config.toml b/config.toml
index d28a8d9..152b16e 100644
--- a/config.toml
+++ b/config.toml
@@ -224,13 +224,13 @@ uglyURLs = false
     #     weight = 3
     #     pre = "internal"
     #     post = "th"
-    # [[menu.main]]
-    #     url = "/tech/"
-    #     pageref = "/tech/"
-    #     name = "Tech"
-    #     weight = 1
-    #     pre = "internal"
-    #     post = "code-branch"
+    [[menu.main]]
+        url = "/tech/"
+        pageref = "/tech/"
+        name = "Tech"
+        weight = 1
+        pre = "internal"
+        post = "code-branch"
     [[menu.main]]
         url = "/life/"
         pageref = "/life/"
@@ -1465,7 +1465,7 @@ uglyURLs = false
     ######################################
     # 404 Page
 
-    fofPoster = "/images/404.png"
+    fofPoster = "https://cdn.makisevon.net/images/404.png"
 
     fofVideoWebm = ""
     fofVideoMp4 = ""
@@ -1485,23 +1485,23 @@ uglyURLs = false
         #       and put this file to your
         #       /static/js/lib.min.js
     [params.lib.path]
-        clipboard = "/npm/clipboard-polyfill@3.03/dist/main/clipboard-polyfill.min.js"
-        instantsearch = "/npm/instantsearch.js@2/dist/instantsearch.min.js"
-        gitalk = "/npm/gitalk@1/dist/gitalk.min.js"
-        gitalk_css = "/npm/gitalk@1/dist/gitalk.css"
-        instantpage = "/npm/instant.page@5.1.1/instantpage.min.js"
-        katex = "/npm/katex@0.16.3/dist/katex.min.js"
-        katex_css = "/npm/katex@0.16.3/dist/katex.min.css"
-        katex_mhchem = "/npm/katex@0.16.3/dist/contrib/mhchem.min.js"
-        katex_auto_render = "/npm/katex@0.16.3/dist/contrib/auto-render.min.js"
-        lunr = "/npm/lunr@2.3.9/lunr.min.js"
-        lunr_tinyseg = "/npm/lunr-languages@1.4.0/tinyseg.js"
-        lunr_stemmer = "/npm/lunr-languages@1.4.0/min/lunr.stemmer.support.min.js"
-        lunr_lang = "/npm/lunr-languages@1.4.0/min/lunr.de.min.js"
-        mathjax = "/npm/mathjax@3.1.2/es5/tex-mml-chtml.js"
-        medium_zoom = "/npm/medium-zoom@latest/dist/medium-zoom.min.js"
-        mermaid = "/npm/mermaid@8.8.3/dist/mermaid.min.js"
-        qrcode = "/npm/qrcode-generator@1.4.4/qrcode.min.js"
-        valine = "/npm/valine@1.4.14/dist/Valine.min.js"
+        clipboard = "/npm/clipboard-polyfill@4/dist/es6/clipboard-polyfill.es6.min.js"
+        instantsearch = "/npm/instantsearch.js@4/dist/instantsearch.production.min.js"
+        gitalk = "/npm/gitalk/dist/gitalk.min.js"
+        gitalk_css = "/npm/gitalk/dist/gitalk.css"
+        instantpage = "/npm/instant.page@5/instantpage.min.js"
+        katex = "/npm/katex/dist/katex.min.js"
+        katex_css = "/npm/katex/dist/katex.min.css"
+        katex_mhchem = "/npm/katex/dist/contrib/mhchem.min.js"
+        katex_auto_render = "/npm/katex/dist/contrib/auto-render.min.js"
+        lunr = "/npm/lunr@2/lunr.min.js"
+        lunr_tinyseg = "/npm/lunr-languages/tinyseg.js"
+        lunr_stemmer = "/npm/lunr-languages/min/lunr.stemmer.support.min.js"
+        lunr_lang = "/npm/lunr-languages/min/lunr.de.min.js"
+        mathjax = "/npm/mathjax@3/es5/tex-mml-chtml.js"
+        medium_zoom = "/npm/medium-zoom/dist/medium-zoom.min.js"
+        mermaid = "/npm/mermaid@10/dist/mermaid.min.js"
+        qrcode = "/npm/qrcode-generator/qrcode.min.js"
+        valine = "/npm/valine/dist/Valine.min.js"
         busuanzi = "https://busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"
         utterances = "https://utteranc.es/client.js"