diff --git a/Gmeek.py b/Gmeek.py
index 1208d26..fef7b8d 100644
--- a/Gmeek.py
+++ b/Gmeek.py
@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 import os
+import re
 import json
 import time
 import datetime
@@ -94,6 +95,11 @@ class GMEEK():
         post_body=self.markdown2html(f.read())
         f.close()
 
+        if '<math-renderer' in post_body:
+            post_body=re.sub(r'<math-renderer.*?>','',post_body)
+            post_body=re.sub(r'</math-renderer>','',post_body)
+            self.blogBase["script"]=self.blogBase["script"]+'<script async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>'
+
         postBase=self.blogBase.copy()
         postBase["postTitle"]=issue["postTitle"]
         postBase["postBody"]=post_body