diff --git a/lib/pageCatalogue.js b/lib/pageCatalogue.js
index 13b0747..b71804e 100644
--- a/lib/pageCatalogue.js
+++ b/lib/pageCatalogue.js
@@ -19,6 +19,7 @@ const pageCatalogue = (function () {
          * @private
          */
         _extract: function (arc) {
+            arc = arc.replace(/(```[\s\S\D]*?```)/g,'');
             let lines = arc.split('\n');
             if (lines.length === 1) {
                 lines = lines[0].split('\r');
@@ -84,4 +85,4 @@ const pageCatalogue = (function () {
     }
 })();
 
-module.exports = pageCatalogue;
\ No newline at end of file
+module.exports = pageCatalogue;