diff --git a/public/react/src/App.css b/public/react/src/App.css
index f44822049..557768eef 100644
--- a/public/react/src/App.css
+++ b/public/react/src/App.css
@@ -54,6 +54,7 @@ html, body {
 /* md多空格 */
 .markdown-body p {
   white-space: pre-wrap;
+  font-size: 16px!important
 }
 .markdown-body > p {
   line-height: 25px;
diff --git a/public/stylesheets/educoder/edu-main.css b/public/stylesheets/educoder/edu-main.css
index 75c73bce4..f283c1e95 100644
--- a/public/stylesheets/educoder/edu-main.css
+++ b/public/stylesheets/educoder/edu-main.css
@@ -585,6 +585,7 @@ a.user_greybg_btn{background-color:#747A7F;color: #fff;}
 .new_li .markdown-body ul > li,.markdown-body ul > li{ list-style-type: disc!important;margin-bottom: 0!important; }
 .new_li .markdown-body ol > li,.markdown-body ol > li{ list-style-type: decimal!important; }
 .new_li li{ margin-bottom: 0!important; }
+.markdown-body p{font-size: 16px!important;}
 
 /*搜索框*/
 #pollingPanel{position: relative;width: 248px;height: 32px;}