diff --git a/packages/hydrooj/src/handler/user.ts b/packages/hydrooj/src/handler/user.ts
index b71c2f5c2..9bc09a8dd 100644
--- a/packages/hydrooj/src/handler/user.ts
+++ b/packages/hydrooj/src/handler/user.ts
@@ -12,6 +12,7 @@ import { sendMail } from '../lib/mail';
 import { isEmail, isPassword } from '../lib/validator';
 import BlackListModel from '../model/blacklist';
 import { PERM, PRIV, STATUS } from '../model/builtin';
+import * as ContestModel from '../model/contest';
 import domain from '../model/domain';
 import oauth from '../model/oauth';
 import * as oplog from '../model/oplog';
@@ -356,9 +357,12 @@ class UserDetailHandler extends Handler {
             }
         }
         const tags = Object.entries(acInfo).sort((a, b) => b[1] - a[1]).slice(0, 20);
+        const tsdocs = await ContestModel.getMultiStatus(domainId, { uid: this.user._id, attend: { $exists: true } }).sort({ _id: 1 }).toArray();
+        const tdocs = await ContestModel.getMulti(domainId, { docId: { $in: tsdocs.map((i) => i.docId) } })
+            .project({ docId: 1, title: 1, rule: 1 }).toArray();
         this.response.template = 'user_detail.html';
         this.response.body = {
-            isSelfProfile, udoc, sdoc, pdocs, tags,
+            isSelfProfile, udoc, sdoc, pdocs, tags, tdocs,
         };
         if (this.user.hasPerm(PERM.PERM_VIEW_PROBLEM_SOLUTION)) {
             const psdocs = await SolutionModel.getByUser(domainId, uid).limit(10).toArray();
diff --git a/packages/ui-default/locales/zh.yaml b/packages/ui-default/locales/zh.yaml
index be4555685..f9081d180 100644
--- a/packages/ui-default/locales/zh.yaml
+++ b/packages/ui-default/locales/zh.yaml
@@ -83,6 +83,7 @@ API: API
 Argument {0} is invalid.: 非法的参数 {0} 。
 Arguments: 参数
 Assign: 分配给
+Assignment: 作业
 At least 4 characters: 至少 4 个字符
 Attend Contest: 参加比赛
 Attend contests: 参加比赛
diff --git a/packages/ui-default/templates/partials/user_detail/activity.html b/packages/ui-default/templates/partials/user_detail/activity.html
new file mode 100644
index 000000000..c866a9cfd
--- /dev/null
+++ b/packages/ui-default/templates/partials/user_detail/activity.html
@@ -0,0 +1,18 @@
+<li class="section__tab-item">
+  <h1 class="section__tab-title">{{ _('Recent Activities') }}</h1>
+  <div class="section__tab-main">
+    {% if not tdocs.length %}
+      {{ nothing.render("This person is lazy and didn't join any contest or homework") }}
+    {% else %}
+    <div class="typo section__body no-media">
+      <ul>
+        {% for tdoc in tdocs %}
+        <li><a class="contest-type--{{ tdoc.rule }}" href="{{ url('contest_detail' if tdoc.rule !== 'homework' else 'homework_detail', tid=tdoc.docId) }}">
+          {{ tdoc.title }} <span class="contest-type-tag"><span class="icon icon-award"></span>{{ _(model.contest.RULES[tdoc['rule']].TEXT) }}</span>
+        </a></li>
+        {% endfor %}
+      </ul>
+    </div>
+    {% endif %}
+  </div>
+</li>
\ No newline at end of file
diff --git a/packages/ui-default/templates/partials/user_detail/solution.html b/packages/ui-default/templates/partials/user_detail/solution.html
index 327369ef3..c8b755fee 100644
--- a/packages/ui-default/templates/partials/user_detail/solution.html
+++ b/packages/ui-default/templates/partials/user_detail/solution.html
@@ -1,9 +1,9 @@
 {% if psdocs %}
 <li class="section__tab-item">
-  <h1 class="section__tab-title">{{ _('Recent solutions') }}</h1>
+  <h1 class="section__tab-title">{{ _('Recent Solutions') }}</h1>
   <div class="section__tab-main">
   {% if not psdocs.length %}
-    {{ nothing.render("This person is lazy and wrote any solution") }}
+    {{ nothing.render("This person is lazy and didn't wrote any solution") }}
   {% else %}
     <div class="section__body typo no-media">
       <div class="typo section__body">