diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index e034bdbe0..ae00d8734 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.13.41",
+    "version": "2.13.42",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/record.ts b/packages/hydrooj/src/handler/record.ts
index 9cd6b4ee7..2e292972a 100644
--- a/packages/hydrooj/src/handler/record.ts
+++ b/packages/hydrooj/src/handler/record.ts
@@ -23,7 +23,6 @@ class RecordListHandler extends RecordHandler {
     @param('uidOrName', Types.String, true)
     async get(domainId: string, page = 1, pid?: string, tid?: ObjectID, uidOrName?: string) {
         this.response.template = 'record_main.html';
-        if (tid) tid = new ObjectID(tid);
         const q: any = { tid, hidden: false };
         if (uidOrName) {
             q.$or = [
@@ -171,11 +170,11 @@ class RecordMainConnectionHandler extends RecordConnectionHandler {
     dispose: bus.Disposable;
 
     @param('tid', Types.ObjectID, true)
-    async prepare(domainId: string, tid: ObjectID) {
+    async prepare(domainId: string, tid?: ObjectID) {
         this.domainId = domainId;
         if (tid) {
-            const tdoc = await contest.get(domainId, new ObjectID(tid), -1);
-            if (this.canShowRecord(tdoc)) this.tid = tid;
+            const tdoc = await contest.get(domainId, tid, -1);
+            if (this.canShowRecord(tdoc)) this.tid = tid.toHexString();
             else {
                 this.close();
                 return;
diff --git a/packages/hydrooj/src/service/server.ts b/packages/hydrooj/src/service/server.ts
index e7d59dd32..77c731c50 100644
--- a/packages/hydrooj/src/service/server.ts
+++ b/packages/hydrooj/src/service/server.ts
@@ -425,16 +425,21 @@ export class Handler {
     url(name: string, kwargs: any = {}) {
         let res = '#';
         const args: any = {};
+        const query: any = {};
         for (const key in kwargs) {
             if (kwargs[key] instanceof ObjectID) args[key] = kwargs[key].toHexString();
             else args[key] = kwargs[key].toString();
         }
+        for (const key in kwargs.query || {}) {
+            if (query[key] instanceof ObjectID) query[key] = kwargs.query[key].toHexString();
+            else query[key] = kwargs.query[key].toString();
+        }
         try {
             if (this.domainId !== 'system' || args.domainId) {
                 name += '_with_domainId';
                 args.domainId = args.domainId || this.domainId;
             }
-            const { anchor, query } = args;
+            const { anchor } = args;
             if (query) res = router.url(name, args, { query });
             else res = router.url(name, args);
             if (anchor) return `${res}#${anchor}`;