diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 91483eba3..a3208b698 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.17",
+    "version": "2.29.18",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/discussion.ts b/packages/hydrooj/src/handler/discussion.ts
index 40191bd3e..536c0ce3a 100644
--- a/packages/hydrooj/src/handler/discussion.ts
+++ b/packages/hydrooj/src/handler/discussion.ts
@@ -56,7 +56,7 @@ class DiscussionHandler extends Handler {
         // TODO(twd2): do more visibility check eg. contest
         // TODO(twd2): exclude problem/contest discussions?
         // TODO(iceboy): continuation based pagination.
-        this.vnode = await discussion.getVnode(domainId, typeMapper[type], name);
+        this.vnode = await discussion.getVnode(domainId, typeMapper[type], name, this.user._id);
         if (this.vnode.hidden) this.checkPerm(PERM.PERM_VIEW_PROBLEM_HIDDEN);
         if (this.ddoc) {
             this.ddoc.parentType = this.ddoc.parentType || this.vnode.type;
@@ -68,8 +68,10 @@ class DiscussionHandler extends Handler {
 class DiscussionMainHandler extends Handler {
     @param('page', Types.PositiveInt, true)
     async get(domainId: string, page = 1) {
+        // Limit to known types
+        const parentType = { $in: Object.keys(typeMapper).map((i) => typeMapper[i]) };
         const [ddocs, dpcount] = await paginate(
-            discussion.getMulti(domainId),
+            discussion.getMulti(domainId, { parentType }),
             page,
             system.get('pagination.discussion'),
         );
@@ -300,24 +302,12 @@ class DiscussionDetailHandler extends DiscussionHandler {
     }
 }
 
-class DiscussionDetailRawHandler extends DiscussionHandler {
-    async get() {
+class DiscussionRawHandler extends DiscussionHandler {
+    @param('drid', Types.ObjectID, true)
+    @param('drrid', Types.ObjectID, true)
+    async get(domainId: string, drid: ObjectID, drrid: ObjectID) {
         this.response.type = 'text/markdown';
-        this.response.body = this.ddoc.content;
-    }
-}
-
-class DiscussionReplyRawHandler extends DiscussionHandler {
-    async get() {
-        this.response.type = 'text/markdown';
-        this.response.body = this.drdoc.content;
-    }
-}
-
-class DiscussionTailReplyRawHandler extends DiscussionHandler {
-    async get() {
-        this.response.type = 'text/markdown';
-        this.response.body = this.drrdoc.content;
+        this.response.body = drrid ? this.drrdoc.content : drid ? this.drdoc.content : this.ddoc.content;
     }
 }
 
@@ -375,9 +365,9 @@ export async function apply() {
     Route('discussion_main', '/discuss', DiscussionMainHandler);
     Route('discussion_detail', '/discuss/:did', DiscussionDetailHandler);
     Route('discussion_edit', '/discuss/:did/edit', DiscussionEditHandler);
-    Route('discussion_detail', '/discuss/:did/raw', DiscussionDetailRawHandler);
-    Route('discussion_reply_raw', '/discuss/:did/:drid/raw', DiscussionReplyRawHandler);
-    Route('discussion_tail_reply_raw', '/discuss/:did/:drid/:drrid/raw', DiscussionTailReplyRawHandler);
+    Route('discussion_detail', '/discuss/:did/raw', DiscussionRawHandler);
+    Route('discussion_reply_raw', '/discuss/:did/:drid/raw', DiscussionRawHandler);
+    Route('discussion_tail_reply_raw', '/discuss/:did/:drid/:drrid/raw', DiscussionRawHandler);
     Route('discussion_node', '/discuss/:type/:name', DiscussionNodeHandler);
     Route('discussion_create', '/discuss/:type/:name/create', DiscussionCreateHandler, PRIV.PRIV_USER_PROFILE, PERM.PERM_CREATE_DISCUSSION);
 }
diff --git a/packages/hydrooj/src/model/discussion.ts b/packages/hydrooj/src/model/discussion.ts
index 047868d09..73f16a1f6 100644
--- a/packages/hydrooj/src/model/discussion.ts
+++ b/packages/hydrooj/src/model/discussion.ts
@@ -232,15 +232,21 @@ export function getNode(domainId: string, _id: string) {
     return document.get(domainId, document.TYPE_DISCUSSION_NODE, _id);
 }
 
-export async function getVnode(domainId: string, type: number, id: string) {
+export async function getVnode(domainId: string, type: number, id: string, uid?: number) {
     if (type === document.TYPE_PROBLEM) {
         const pdoc = await problem.get(domainId, Number.isSafeInteger(+id) ? +id : id);
         if (!pdoc) throw new DiscussionNodeNotFoundError(id);
         return { ...pdoc, type, id };
     }
     if ([document.TYPE_CONTEST, document.TYPE_TRAINING, document.TYPE_HOMEWORK].includes(type as any)) {
-        const tdoc = await (type === document.TYPE_TRAINING ? training : contest).get(domainId, new ObjectID(id), type as any);
+        const model = type === document.TYPE_TRAINING ? training : contest;
+        const _id = new ObjectID(id);
+        const tdoc = await model.get(domainId, _id, type as any);
         if (!tdoc) throw new DiscussionNodeNotFoundError(id);
+        if (uid) {
+            const tsdoc = await model.getStatus(domainId, _id, uid);
+            tdoc.attend = tsdoc.attend || tsdoc.enroll;
+        }
         return { ...tdoc, type, id };
     }
     return {
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index c3b8e4342..6e9e2786c 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.12.10",
+  "version": "4.12.11",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/templates/partials/contest_sidebar.html b/packages/ui-default/templates/partials/contest_sidebar.html
index 4b856d089..d79533c0b 100644
--- a/packages/ui-default/templates/partials/contest_sidebar.html
+++ b/packages/ui-default/templates/partials/contest_sidebar.html
@@ -6,7 +6,7 @@
     <div class="section__body">
       <h1>{{ tdoc.title }}</h1>
       <div class="contest-sidebar__status">
-      {% if attended %}
+      {% if attended or tdoc.attend %}
         <span class="icon icon-check"></span> {{ _('Attended') }}
       {% else %}
         <span class="icon icon-schedule"></span> {{ _('Not Attended') }}