diff --git a/framework/eslint-config/package.json b/framework/eslint-config/package.json
index dd9caeff2..2a0163589 100644
--- a/framework/eslint-config/package.json
+++ b/framework/eslint-config/package.json
@@ -4,7 +4,7 @@
     "license": "MIT",
     "main": "base.mjs",
     "dependencies": {
-        "@eslint-react/eslint-plugin": "^1.37.0",
+        "@eslint-react/eslint-plugin": "^1.37.3",
         "@eslint/compat": "^1.2.7",
         "@eslint/eslintrc": "^3.3.1",
         "@stylistic/eslint-plugin": "^4.2.0",
diff --git a/framework/framework/decorators.ts b/framework/framework/decorators.ts
index fdd82a9e6..83423de43 100644
--- a/framework/framework/decorators.ts
+++ b/framework/framework/decorators.ts
@@ -14,6 +14,8 @@ export interface ParamOption<T> {
     validate?: Validator,
 }
 
+const mergeValidator = (L: Validator, R: Validator) => (v: any) => L(v) && R(v);
+
 function _buildParam(name: string, source: 'get' | 'post' | 'all' | 'route', ...args: Array<Type<any> | boolean | Validator | Converter<any>>) {
     let cursor = 0;
     const v: ParamOption<any> = { name, source };
@@ -27,7 +29,7 @@ function _buildParam(name: string, source: 'get' | 'post' | 'all' | 'route', ...
             if (type[2]) v.isOptional = type[2];
         } else if (typeof current === 'boolean') v.isOptional = current;
         else if (isValidate) {
-            if (current !== null) v.validate = current;
+            if (current !== null) v.validate = mergeValidator(v.validate, current);
             isValidate = false;
         } else v.convert = current;
         cursor++;
diff --git a/framework/framework/server.ts b/framework/framework/server.ts
index 03493f161..db436cf35 100644
--- a/framework/framework/server.ts
+++ b/framework/framework/server.ts
@@ -44,10 +44,12 @@ export function encodeRFC5987ValueChars(str: string) {
 async function forkContextWithScope<C extends CordisContext>(ctx: C) {
     const scope = ctx.plugin(() => { });
     await scope;
+    const dispose = () => scope.dispose();
     return {
         scope,
         ctx: scope.ctx,
-        [Symbol.asyncDispose]: () => scope.dispose(),
+        dispose,
+        [Symbol.asyncDispose]: dispose,
     };
 }
 
@@ -565,11 +567,10 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
         const { args } = ctx.HydroContext;
         const sub = await forkContextWithScope(savedContext);
         const h = new HandlerClass(ctx, sub.ctx);
-        // FIXME: should pass type check
-        await (this.ctx.parallel as any)('connection/create', h);
-        const stream = new PassThrough();
+        let stream: PassThrough;
         if (!conn) {
             // By HTTP
+            stream = new PassThrough();
             ctx.request.socket.setTimeout(0);
             ctx.req.socket.setNoDelay(true);
             ctx.req.socket.setKeepAlive(true);
@@ -592,23 +593,25 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
         }
         ctx.handler = h;
         h.conn = conn;
-        const disposables = [];
-        let interval: NodeJS.Timeout;
         let closed = false;
 
         const clean = async (err?: Error) => {
             if (closed) return;
             closed = true;
-            if (err) await h.onerror(err);
-            // FIXME: should pass type check
-            else (this.ctx.emit as any)('connection/close', h);
-            h.active = false;
-            for (const d of disposables) d();
-            if (layer) layer.clients.delete(conn);
-            if (err && !layer) ctx.status = 500;
-            if (interval) clearInterval(interval);
-            await h.cleanup?.(args);
-            await sub.scope.dispose();
+            try {
+                try {
+                    if (err) await h.onerror(err);
+                    // FIXME: should pass type check
+                    else (this.ctx.emit as any)('connection/close', h);
+                } finally {
+                    h.active = false;
+                    if (layer) layer.clients.delete(conn);
+                    if (err && !layer) ctx.status = 500;
+                    await h.cleanup?.(args);
+                }
+            } finally {
+                await sub.dispose();
+            }
         };
 
         try {
@@ -619,10 +622,10 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
             if (args.shorty) h.resetCompression();
             if (h._prepare) await h._prepare(args);
             if (h.prepare) await h.prepare(args);
-            for (const { name, target } of h.__subscribe || []) disposables.push(this.ctx.on(name, target.bind(h)));
+            for (const { name, target } of h.__subscribe || []) sub.ctx.on(name, target.bind(h));
             if (layer) {
                 let lastHeartbeat = Date.now();
-                interval = setInterval(() => {
+                sub.ctx.setInterval(() => {
                     if (Date.now() - lastHeartbeat > 80000) {
                         clean();
                         conn.terminate();
@@ -642,8 +645,8 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
                     let payload;
                     try {
                         payload = JSON.parse(e.data.toString());
-                    } catch {
-                        conn.close();
+                    } catch (err) {
+                        await clean(err);
                     }
                     try {
                         await h.message?.(payload);
@@ -667,6 +670,7 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
             }
         } catch (e) {
             // error during initialization (prepare, hooks)
+            logger.error(e);
             await clean(e);
         }
     }
diff --git a/package.json b/package.json
index 3b3310f0c..9a88200de 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
         "oxlint": "cd framework/eslint-config && node -r @hydrooj/register build.ts && cd ../../ && oxlint --config framework/eslint-config/.oxlintrc.json",
         "lint": "eslint --flag unstable_config_lookup_from_file packages plugins modules framework --ext .ts,.tsx,.jsx --fix",
         "lint:ci": "eslint --flag unstable_config_lookup_from_file packages plugins modules framework --ext .ts,.tsx,.jsx --max-warnings=0",
-        "debug": "node --trace-warnings --async-stack-traces --trace-deprecation packages/hydrooj/bin/hydrooj --debug --template",
+        "debug": "node --trace-warnings --inspect=192.168.99.234:1111 --async-stack-traces --trace-deprecation packages/hydrooj/bin/hydrooj --debug --template",
         "start": "packages/hydrooj/bin/hydrooj.js",
         "postinstall": "node build/prepare.js",
         "gen-patch": "node -r @hydrooj/register build/gen-patch.ts",
diff --git a/packages/elastic/index.ts b/packages/elastic/index.ts
index 2b3f31e0b..9f722efec 100644
--- a/packages/elastic/index.ts
+++ b/packages/elastic/index.ts
@@ -26,7 +26,6 @@ export default class ElasticSearchService extends Service {
     client: Client;
 
     constructor(ctx: Context, private config: ReturnType<typeof ElasticSearchService.Config>) {
-        console.log('elastic-search', config);
         super(ctx, 'elastic-search');
         this.client = new Client({ node: config.url });
     }
diff --git a/packages/hydrooj/src/service/server.ts b/packages/hydrooj/src/service/server.ts
index 3c24663f1..068d25c1c 100644
--- a/packages/hydrooj/src/service/server.ts
+++ b/packages/hydrooj/src/service/server.ts
@@ -119,6 +119,8 @@ export async function apply(ctx: Context) {
         server.addLayer('base', baseLayer);
         server.addLayer('user', userLayer);
 
+        let cachedTranslate = null;
+
         server.handlerMixin({
             url(name: string, ...kwargsList: Record<string, any>[]) {
                 if (name === '#') return '#';
@@ -159,10 +161,11 @@ export async function apply(ctx: Context) {
             translate(str: string) {
                 if (!str) return '';
                 const lang = this.user?.viewLang || this.session?.viewLang;
-                const res = lang
-                    ? ctx.i18n.translate(str.toString(), [lang, ...this.context.acceptsLanguages()])
-                    : ctx.i18n.translate(str.toString(), [...this.context.acceptsLanguages(), system.get('server.language')]);
-                return res;
+                const langs = lang
+                    ? [lang, ...this.context.acceptsLanguages()]
+                    : [...this.context.acceptsLanguages(), system.get('server.language')];
+                cachedTranslate ||= ctx.i18n.translate;
+                return cachedTranslate(str.toString(), langs);
             },
             paginate<T>(cursor: FindCursor<T>, page: number, key: string | number) {
                 return db.paginate(cursor, page, typeof key === 'number' ? key : (this.ctx.setting.get(`pagination.${key}`) || 20));
diff --git a/packages/hydrooj/src/upgrade.ts b/packages/hydrooj/src/upgrade.ts
index 7e4e53e91..5be8b0fed 100644
--- a/packages/hydrooj/src/upgrade.ts
+++ b/packages/hydrooj/src/upgrade.ts
@@ -710,7 +710,7 @@ export const coreScripts: MigrationScript[] = [
             { $or: [{ _join: { $exists: false } }, { _join: { $eq: null } }, { '_join.method': domain.JOIN_METHOD_NONE }] },
             { $set: { _join: { method: domain.JOIN_METHOD_ALL, role: 'default', expire: null }, _migratedJoin: true } },
         );
-        const domainUser = await domain.coll.find({ domainId: 'system', join: true }, onPrimary)
+        const domainUser = await domain.collUser.find({ domainId: 'system', join: true }, onPrimary)
             .project({ uid: 1 }).toArray();
         const otherUsers = await user.coll.find({ _id: { $gt: 1, $nin: domainUser.map((u) => u.uid) } }, onPrimary)
             .project({ _id: 1 }).toArray();
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 6504e1721..c136d776b 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -67,7 +67,7 @@
     "jquery.easing": "^1.4.1",
     "jquery.transit": "^0.9.12",
     "matchmedia-polyfill": "^0.3.2",
-    "md-editor-rt": "^5.4.3",
+    "md-editor-rt": "^5.4.4",
     "mini-css-extract-plugin": "^2.9.2",
     "moment": "^2.30.1",
     "monaco-editor": "0.52.2",