diff --git a/static/css/kancloud.css b/static/css/kancloud.css
index 9ee07819..a99f04ca 100644
--- a/static/css/kancloud.css
+++ b/static/css/kancloud.css
@@ -1,4 +1,3 @@
-@import url("https://fonts.googleapis.com/css?family=Montserrat:300,400,500,600,700,800");
 @font-face {
     font-family: 'FontAwesome';
     src: url("../font-awesome/fonts/fontawesome-webfont.eot?v=4.7.0");
@@ -28,7 +27,7 @@ body {
 }
 
 h1,h2,h3,h4,h5,h6,strong,input,select,textarea,button,body,code {
-    font-family: "Montserrat","Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
+    font-family: "Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
 }
 h1 {
     font-size: 2.25em;
diff --git a/static/css/main.css b/static/css/main.css
index 44553c71..f332a876 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -1,7 +1,6 @@
-@import url("https://fonts.googleapis.com/css?family=Montserrat:300,400,500,600,700,800");
 body {
     position: relative;
-    font-family: Helvetica, -apple-system, "Montserrat","Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
+    font-family: Helvetica, -apple-system, "Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
 }
 
 a{
diff --git a/static/css/markdown.preview.css b/static/css/markdown.preview.css
index e5002126..11864362 100644
--- a/static/css/markdown.preview.css
+++ b/static/css/markdown.preview.css
@@ -1,7 +1,7 @@
 /*************表格样式****************/
 .markdown-body{
     -webkit-backface-visibility: hidden;
-    font-family: Helvetica, -apple-system, BlinkMacSystemFont, "Montserrat","Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
+    font-family: Helvetica, -apple-system, BlinkMacSystemFont, "Helvetica Neue",Helvetica,"Segoe UI",Arial,freesans,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Microsoft Yahei","Helvetica Neue",Helvetica;
 
 }
 .editormd-preview-container table {