diff --git a/index.html b/index.html
index e6ecb002dc..c3977432a7 100644
--- a/index.html
+++ b/index.html
@@ -12,6 +12,7 @@
     <meta name="format-detection" content="telephone=no" />
     <meta name="viewport" content="width=1226" />
     <title>云脑实践教学平台</title>
+    <style>.code___1CX3A{display:none !important;}</style>
     <meta
       name="keywords"
       content="云脑,EduCoder,信息技术实践教学,精品课程网,慕课MOOC"