diff --git a/packages/app/src/components/PostCard/index.less b/packages/app/src/components/PostCard/index.less
index 191dec91..9c65bcb2 100644
--- a/packages/app/src/components/PostCard/index.less
+++ b/packages/app/src/components/PostCard/index.less
@@ -8,7 +8,7 @@
     //height: fit-content;
 
     width: 100%;
-    max-width: 700px;
+    max-width: 800px;
 
     margin: auto;