diff --git a/packages/app/src/components/PostCard/components/header/index.less b/packages/app/src/components/PostCard/components/header/index.less
index f6ea2969..b95e579c 100755
--- a/packages/app/src/components/PostCard/components/header/index.less
+++ b/packages/app/src/components/PostCard/components/header/index.less
@@ -49,6 +49,7 @@
                 margin: 0;
                 font-family: "DM Mono", monospace;
                 align-self: start;
+                font-size: 1rem;
                 cursor: pointer;
             }