diff --git a/src/oj/announcement/list.vue b/src/oj/announcement/list.vue
index 6d79677..d216466 100644
--- a/src/oj/announcement/list.vue
+++ b/src/oj/announcement/list.vue
@@ -35,12 +35,6 @@ const columns: DataTableColumn<Announcement>[] = [
     render: (row) => parseTime(row.create_time),
     width: 180,
   },
-  {
-    key: "last_update_time",
-    title: renderTableTitle("更新时间", "fluent-emoji-flat:eleven-thirty"),
-    render: (row) => parseTime(row.last_update_time),
-    width: 180,
-  },
   {
     key: "username",
     title: renderTableTitle("发布人", "streamline-emojis:ghost"),
diff --git a/src/oj/problem/components/ProblemInfo.vue b/src/oj/problem/components/ProblemInfo.vue
index b323304..84b0818 100644
--- a/src/oj/problem/components/ProblemInfo.vue
+++ b/src/oj/problem/components/ProblemInfo.vue
@@ -49,7 +49,7 @@ const numbers = computed(() => {
     {
       icon: "streamline-emojis:sparkles",
       title: beatRate.value,
-      content: "击败用户",
+      content: "你击败的用户",
     },
   ]
 })