diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 2711db4d2..a2c64e16c 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.39.27",
+    "version": "2.39.28",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/handler/import.ts b/packages/hydrooj/src/handler/import.ts
index 01b073d36..22e8af6bc 100644
--- a/packages/hydrooj/src/handler/import.ts
+++ b/packages/hydrooj/src/handler/import.ts
@@ -85,11 +85,9 @@ async function syzojSync(info) {
             filenameList: body.testData.map((node) => node.filename),
         });
     if (r.body.error) throw new Error(r.body.error.message || r.body.error);
-    const urls = {};
-    for (const t of r.body.downloadInfo) urls[t.filename] = t.downloadUrl;
-    for (const f of body.testData) {
+    for (const f of r.body.downloadInfo) {
         const p = new PassThrough();
-        superagent.get(urls[f.filename]).pipe(p);
+        superagent.get(f.downloadUrl).pipe(p);
         // eslint-disable-next-line no-await-in-loop
         await problem.addTestdata(domainId, docId, rename[f.filename] || f.filename, p);
     }
@@ -99,12 +97,10 @@ async function syzojSync(info) {
             type: 'AdditionalFile',
             filenameList: body.additionalFiles.map((node) => node.filename),
         });
-    const aurls = {};
     if (a.body.error) throw new Error(a.body.error.message || a.body.error);
-    for (const t of a.body.downloadInfo) aurls[t.filename] = t.downloadUrl;
-    for (const f of body.additionalFiles) {
+    for (const f of a.body.downloadInfo) {
         const p = new PassThrough();
-        superagent.get(aurls[f.filename]).pipe(p);
+        superagent.get(f.downloadUrl).pipe(p);
         // eslint-disable-next-line no-await-in-loop
         await problem.addAdditionalFile(domainId, docId, f.filename, p);
     }
diff --git a/packages/hydrooj/src/handler/problem.ts b/packages/hydrooj/src/handler/problem.ts
index bf50d77c5..77324dd8e 100644
--- a/packages/hydrooj/src/handler/problem.ts
+++ b/packages/hydrooj/src/handler/problem.ts
@@ -226,6 +226,7 @@ export class ProblemDetailHandler extends ProblemHandler {
         this.response.body = {
             pdoc: this.pdoc,
             udoc: this.udoc,
+            psdoc: this.psdoc,
             title: this.pdoc.title,
         };
         this.extraTitleContent = this.pdoc.title;
diff --git a/packages/hydrooj/src/model/setting.ts b/packages/hydrooj/src/model/setting.ts
index 4692e6ea7..ca83abfa9 100644
--- a/packages/hydrooj/src/model/setting.ts
+++ b/packages/hydrooj/src/model/setting.ts
@@ -200,7 +200,6 @@ SystemSetting(
     Setting('setting_basic', 'default.priv', builtin.PRIV.PRIV_DEFAULT, 'number', 'default.priv', 'Default Privilege', FLAG_PRO),
     Setting('setting_basic', 'discussion.nodes', builtin.DEFAULT_NODES, 'yaml', 'discussion.nodes', 'Discussion Nodes'),
     Setting('setting_basic', 'problem.categories', builtin.CATEGORIES, 'yaml', 'problem.categories', 'Problem Categories'),
-    Setting('setting_basic', 'rank.uidIgnore', '', 'text', 'rank.uidIgnore', 'Ignored uids for ranking'),
     Setting('setting_basic', 'pagination.problem', 100, 'number', 'pagination.problem', 'Problems per page'),
     Setting('setting_basic', 'pagination.contest', 20, 'number', 'pagination.contest', 'Contests per page'),
     Setting('setting_basic', 'pagination.discussion', 50, 'number', 'pagination.discussion', 'Discussions per page'),
diff --git a/packages/hydrooj/src/script/rating.ts b/packages/hydrooj/src/script/rating.ts
index 49674a6b0..796b3cb9a 100644
--- a/packages/hydrooj/src/script/rating.ts
+++ b/packages/hydrooj/src/script/rating.ts
@@ -29,12 +29,7 @@ async function runProblem(...arg: any[]) {
             {
                 docId: pdoc.docId,
                 rid: { $ne: null },
-                uid: {
-                    $nin: [
-                        pdoc.owner,
-                        ...system.get('rank.uidIgnore').split(',').map((i) => +i).filter((i) => i),
-                    ],
-                },
+                uid: { $ne: pdoc.owner },
             },
         ).count() + 99) / 100,
     );
@@ -68,7 +63,6 @@ async function runContest(...arg: any[]) {
     const cursor = contest.getMultiStatus(tdoc.domainId, {
         docId: tdoc.docId,
         journal: { $ne: null },
-        uid: { $nin: system.get('rank.uidIgnore').split(',').map((i) => +i).filter((i) => i) },
     }).sort(contest.RULES[tdoc.rule].statusSort);
     if (!await cursor.count()) return;
     const [rankedTsdocs] = await contest.RULES[tdoc.rule].ranked(tdoc, cursor);
@@ -166,7 +160,7 @@ async function runInDomain(id: string, isSub: boolean, report: Function) {
     const tasks = [];
     async function update(uid: number, rp: number) {
         const udoc = await UserModel.getById(id, +uid);
-        const $upd: any = { $set: { rp } };
+        const $upd: any = { $set: { rp: Math.max(0, rp) } };
         if (udoc.hasPriv(PRIV.PRIV_USER_PROFILE)) await domain.updateUserInDomain(id, +uid, $upd);
     }
     for (const uid in udict) tasks.push(update(+uid, udict[uid] + (deltaudict[uid] || 0)));
diff --git a/packages/hydrooj/src/upgrade.ts b/packages/hydrooj/src/upgrade.ts
index cc0c9ee02..d90c9fc7f 100644
--- a/packages/hydrooj/src/upgrade.ts
+++ b/packages/hydrooj/src/upgrade.ts
@@ -557,6 +557,11 @@ const scripts: UpgradeScript[] = [
         await db.collection('domain').updateMany({}, { $unset: { pidCounter: '' } });
         return true;
     },
+    async function _50_51() {
+        const _FRESH_INSTALL_IGNORE = 1;
+        await db.collection('domain.user').updateMany({}, { $unset: { ratingHistory: '' } });
+        return true;
+    },
 ];
 
 export default scripts;