diff --git a/framework/framework/server.ts b/framework/framework/server.ts
index 0745bb3f4..7ecb9e1a8 100644
--- a/framework/framework/server.ts
+++ b/framework/framework/server.ts
@@ -465,7 +465,7 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
         });
         await new Promise((r) => {
             httpServer.listen(this.config.port, this.config.host || '127.0.0.1', () => {
-                logger.success('Server listening at: %d', this.config.port);
+                logger.success('Server listening at: %c', `${this.config.host || '127.0.0.1'}:${this.config.port}`);
                 r(true);
             });
         });
@@ -685,6 +685,10 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
             };
         };
 
+        // if (name === 'ContestScoreboard') {
+        //     console.log('-------------', this.ctx, this.ctx.scoreboard);
+        // }
+
         if (type === 'route') {
             router.all(routeName, path, (ctx) => this.handleHttp(ctx as any, HandlerClass, Checker(permPrivChecker)));
         } else {
@@ -707,6 +711,7 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
     public withHandlerClass<T extends string>(
         name: T, callback: (HandlerClass: T extends `${string}ConnectionHandler` ? typeof ConnectionHandler<C> : typeof Handler<C>) => any,
     ) {
+        name = name.replace(/Handler$/, '') as any;
         if (this.registry[name]) callback(this.registry[name]);
         // FIXME: should pass type check
         this.ctx.on(`handler/register/${name}`, callback as any);
@@ -714,6 +719,10 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
 
     // eslint-disable-next-line @typescript-eslint/naming-convention
     public Route(name: string, path: string, RouteHandler: typeof Handler<C>, ...permPrivChecker) {
+        // if (name === 'contest_scoreboard') {
+        //     console.log('+++', this.ctx);
+        //     console.log(this.ctx.scoreboard);
+        // }
         return this.register('route', name, path, RouteHandler, ...permPrivChecker);
     }
 
diff --git a/packages/hydrooj/bin/hydrooj.js b/packages/hydrooj/bin/hydrooj.js
index bad5d596e..3e9d7c082 100755
--- a/packages/hydrooj/bin/hydrooj.js
+++ b/packages/hydrooj/bin/hydrooj.js
@@ -6,13 +6,19 @@ const { homedir } = require('os');
 const { default: hook } = require('@undefined-moe/require-resolve-hook');
 const { bypass } = hook(/^(hydrooj|@hydrooj|cordis|lodash|js-yaml)($|\/)/, (id) => {
     if (id.startsWith('hydrooj/src')) {
-        console.log('module require via %s is deprecated.', id);
         if (process.env.DEV) {
-            console.log(
-                new Error().stack.split('\n')
-                    .filter((i) => !i.includes('node:internal') && i.startsWith(' '))
-                    .join('\n'),
-            );
+            const error = new Error(`module require via ${id} is deprecated.`);
+            const filter = [
+                'node:diagnostics', 'node:internal',
+                '_resolveFilename', 'ignoreModuleNotFoundError',
+                'framework/register', '@hydrooj/register',
+            ];
+            error.stack = error.stack.split('\n')
+                .filter((i) => !filter.some((f) => i.includes(f)))
+                .join('\n');
+            console.error(error);
+        } else {
+            console.warn('Module require via %s is deprecated.', id);
         }
     }
     if (id.startsWith('hydrooj')) {
diff --git a/packages/hydrooj/src/lib/i18n.ts b/packages/hydrooj/src/lib/i18n.ts
index 2652f1559..2965ceb89 100644
--- a/packages/hydrooj/src/lib/i18n.ts
+++ b/packages/hydrooj/src/lib/i18n.ts
@@ -42,7 +42,7 @@ class I18nService extends Service {
         if (languages[0]?.startsWith('en')) {
             // For most use cases, source text equals to translated text in English.
             // So if it doesn't exist, we should use the original text instead of fallback.
-            return this.get(str, languages[0]) || this.get(str, 'en') || this.toString();
+            return this.get(str, languages[0]) || this.get(str, 'en') || str.toString();
         }
         for (const language of languages.filter(Boolean)) {
             const curr = this.get(str, language) || this.get(str, language.split('_')[0])
diff --git a/packages/hydrooj/src/model/contest.ts b/packages/hydrooj/src/model/contest.ts
index 78110af95..e1680a902 100644
--- a/packages/hydrooj/src/model/contest.ts
+++ b/packages/hydrooj/src/model/contest.ts
@@ -388,7 +388,7 @@ const oi = buildContestRule({
                     score: tsddict[pid]?.score,
                 };
             if (tsddict[pid]?.status === STATUS.STATUS_ACCEPTED) {
-                if (tsddict[pid].rid.getTimestamp().getTime() - (tsdoc.startAt.getTime() || tdoc.beginAt.getTime())) {
+                if (tsddict[pid].rid.getTimestamp().getTime() - (tsdoc.startAt || tdoc.beginAt).getTime() === meta?.first?.[pid]) {
                     node.style = 'background-color: rgb(217, 240, 199);';
                 }
             }
@@ -403,9 +403,9 @@ const oi = buildContestRule({
         const psdict = {};
         const first = {};
         for (const [, tsdoc] of rankedTsdocs) {
-            for (const [pid, detail] of Object.entries(tsdoc.detail)) {
+            for (const [pid, detail] of Object.entries(tsdoc.detail || {})) {
                 if (detail.status !== STATUS.STATUS_ACCEPTED) continue;
-                const time = detail.rid.getTimestamp().getTime() - (tsdoc.startAt.getTime() || tdoc.beginAt.getTime());
+                const time = detail.rid.getTimestamp().getTime() - (tsdoc.startAt || tdoc.beginAt).getTime();
                 if (!first[pid] || first[pid] > time) first[pid] = time;
             }
         }
diff --git a/packages/hydrooj/src/service/server.ts b/packages/hydrooj/src/service/server.ts
index 2853c3226..eb84340c1 100644
--- a/packages/hydrooj/src/service/server.ts
+++ b/packages/hydrooj/src/service/server.ts
@@ -222,15 +222,22 @@ export async function apply(ctx: Context) {
                 }
             },
         });
-        server.wsHandlerMixin((s) => ({
+        server.wsHandlerMixin({
             async onerror(err: HydroError) {
                 if (![NotFoundError, PrivilegeError, PermissionError].some((i) => err instanceof i) || this.user?._id !== 0) {
                     logger.error(`Path:${this.request.path}, User:${this.user?._id}(${this.user?.uname})`);
                     logger.error(err);
                 }
-                await s.onerror(err);
+                if (err instanceof UserFacingError) err.stack = this.request.path;
+                this.send({
+                    error: {
+                        name: err.name,
+                        params: err.params || [],
+                    },
+                });
+                this.close(4000, err.toString());
             },
-        }));
+        });
 
         on('handler/create', async (h) => {
             h.user = h.context.HydroContext.user as any;
diff --git a/packages/ui-default/backendlib/template.ts b/packages/ui-default/backendlib/template.ts
index b2f4730a5..17edc6446 100644
--- a/packages/ui-default/backendlib/template.ts
+++ b/packages/ui-default/backendlib/template.ts
@@ -274,6 +274,3 @@ export class TemplateService extends Service {
     }
   }
 }
-
-export async function apply(ctx: Context) {
-}
diff --git a/packages/vjudge/src/index.ts b/packages/vjudge/src/index.ts
index a35035bef..80c7dfecc 100644
--- a/packages/vjudge/src/index.ts
+++ b/packages/vjudge/src/index.ts
@@ -155,7 +155,9 @@ class AccountService {
         this.syncing = false;
     }
 
-    async stop() { } // eslint-disable-line @typescript-eslint/no-empty-function
+    async stop() {
+        return this.api?.stop?.();
+    }
 
     async main() {
         const res = await this.login();
diff --git a/packages/vjudge/src/interface.ts b/packages/vjudge/src/interface.ts
index 5e8405f46..24b82edab 100644
--- a/packages/vjudge/src/interface.ts
+++ b/packages/vjudge/src/interface.ts
@@ -41,6 +41,7 @@ export interface IBasicProvider {
     submitProblem(id: string, lang: string, code: string, info: any, next: NextFunction, end: NextFunction): Promise<string | void>;
     waitForSubmission(id: string, next: NextFunction, end: NextFunction): Promise<void>;
     checkStatus?: (onCheckFunc: boolean) => Promise<void>;
+    stop?: () => Promise<void>;
 }
 
 export interface BasicProvider {
diff --git a/test/main.ts b/test/main.ts
index 0187b5715..c4d499191 100644
--- a/test/main.ts
+++ b/test/main.ts
@@ -30,7 +30,10 @@ describe('App', () => {
     }, { timeout: 30000 });
 
     const routes = ['/', '/api', '/p', '/contest', '/homework', '/user/1', '/training'];
-    routes.forEach((route) => it(`GET ${route}`, () => agent.get(route).expect(200)));
+    for (const route of routes) {
+        // eslint-disable-next-line @typescript-eslint/no-loop-func
+        it(`GET ${route}`, () => agent.get(route).expect(200));
+    }
 
     it('API user', async () => {
         await agent.get('/api?{user(id:1){uname}}').expect({ data: { user: { uname: 'Hydro' } } });
@@ -63,12 +66,13 @@ describe('App', () => {
 
     const results: Record<string, autocannon.Result> = {};
     if (process.env.BENCHMARK) {
-        routes.forEach((route) => it(`Performance test ${route}`, { timeout: 60000 }, async () => {
-            await global.Hydro.model.system.set('limit.global', 99999);
-            const result = await autocannon({ url: `http://localhost:8888${route}` });
-            assert(result.errors === 0, `test ${route} returns errors`);
-            results[route] = result;
-        }));
+        for (const route of routes) {
+            it(`Performance test ${route}`, { timeout: 60000 }, async () => {
+                const result = await autocannon({ url: `http://localhost:8888${route}` });
+                assert(result.errors === 0, `test ${route} returns errors`);
+                results[route] = result;
+            });
+        }
     }
 
     after(() => {