diff --git a/cement.css b/cement.css
index 9fbc3d6..f1b53d5 100644
--- a/cement.css
+++ b/cement.css
@@ -135,7 +135,6 @@ SOFTWARE.
     }
 }
 
-html,
 body {
     background: var(--bg-color);
     font: 100%/1.65 var(--font-family-base);
@@ -1063,6 +1062,10 @@ header {
     opacity: .6;
 }
 
+body.typora-export {
+    max-width: none !important;
+}
+
 /*防止超链接点不到*/
 .typora-export .outline-item-wrapper .outline-label {
     width: 100%;