fix(build): better way to process path

build_tools/static_build.sh

@@ -71,7 +71,8 @@ done
 # attempt to do with pipe failed, so I use a non optimal for loop
 # find ./ -name "*.html" -exec sh -c 'sed -E -i "s/data-lang-switch=\"([a-z]{2})\".+href\=\".*\"/href\=\"\/\1\/{}\"/g" {}' \;
 for path in $(find ./build -name "*.html"); do
-    pathM=`echo $path | cut -c 6-`
+    pathM=`echo $path | sed -E 's%./build/.{2,3}/%%g'`
+
     sed -E -i "s%data-lang-switch=\"([a-z]{2})\".+href\=\".*\"%href\=\"/\1/$pathM\"%g" $path
 done