diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 1ffdc5587..87e585497 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.4.10",
+    "version": "2.4.11",
     "os": [
         "linux"
     ],
diff --git a/packages/hydrojudge/src/service.ts b/packages/hydrojudge/src/service.ts
index 7da2c67cd..57895fd52 100644
--- a/packages/hydrojudge/src/service.ts
+++ b/packages/hydrojudge/src/service.ts
@@ -226,7 +226,6 @@ async function postInit() {
                 this.config,
                 { next: this.next },
             );
-            console.log(this.config);
             this.stat.judge = new Date();
             await judge[this.config.type || 'default'].judge(this);
         }
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index b0fd1d227..93890c178 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.20.17",
+    "version": "2.20.18",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/domain.ts b/packages/hydrooj/src/handler/domain.ts
index ce56eb83a..cc59efa9c 100644
--- a/packages/hydrooj/src/handler/domain.ts
+++ b/packages/hydrooj/src/handler/domain.ts
@@ -155,7 +155,6 @@ class DomainPermissionHandler extends ManageHandler {
         const roles = {};
         delete this.request.body.csrfToken;
         for (const role in this.request.body) {
-            console.log(role, this.request.body[role]);
             const perms = this.request.body[role] instanceof Array
                 ? this.request.body[role]
                 : [this.request.body[role]];
diff --git a/packages/hydrooj/src/model/builtin.ts b/packages/hydrooj/src/model/builtin.ts
index 9e1ed59d6..d5354358c 100644
--- a/packages/hydrooj/src/model/builtin.ts
+++ b/packages/hydrooj/src/model/builtin.ts
@@ -2,7 +2,8 @@
 
 import { Udoc } from '../interface';
 
-/* Why nocheck?
+/*
+ * Why nocheck?
  * BitInt requires at least ES2020, but we can't use it as
  * NodeJS doesn't support some of this new features.
  * e.g.: object?.property
diff --git a/packages/hydrooj/src/model/setting.ts b/packages/hydrooj/src/model/setting.ts
index bea3f6f00..e1d5f9e84 100644
--- a/packages/hydrooj/src/model/setting.ts
+++ b/packages/hydrooj/src/model/setting.ts
@@ -201,7 +201,7 @@ bus.once('app/started', async () => {
 
 bus.on('system/setting', (args) => {
     if (!args.lang?.texts) return;
-    SETTINGS_BY_KEY['lang.texts'].value = args.lang.texts;
+    SETTINGS_BY_KEY['codeLang'].range = args.lang.texts;
 });
 
 global.Hydro.model.setting = {
diff --git a/packages/hydrooj/src/service/server.ts b/packages/hydrooj/src/service/server.ts
index f16c0d75f..1bf404c47 100644
--- a/packages/hydrooj/src/service/server.ts
+++ b/packages/hydrooj/src/service/server.ts
@@ -15,7 +15,7 @@ import sockjs from 'sockjs';
 import type { SetOption } from 'cookies';
 import serialize, { SerializeJSOptions } from 'serialize-javascript';
 import { argv } from 'yargs';
-import { lrucache } from '../utils';
+import { errorMessage, lrucache } from '../utils';
 import { User, DomainDoc } from '../interface';
 import { Logger } from '../logger';
 import {
@@ -478,7 +478,8 @@ export class Handler extends HandlerCommon {
         if (!this.response.body) return;
         try {
             await this.renderBody();
-        } catch (error) {
+        } catch (err) {
+            const error = errorMessage(err);
             this.response.status = error instanceof UserFacingError ? error.code : 500;
             if (this.request.json) this.response.body = { error };
             else {
@@ -576,7 +577,7 @@ export class Handler extends HandlerCommon {
         this.response.status = error instanceof UserFacingError ? error.code : 500;
         this.response.template = error instanceof UserFacingError ? 'error.html' : 'bsod.html';
         this.response.body = {
-            error: { message: error.msg(), params: error.params, stack: error.stack },
+            error: { message: error.msg(), params: error.params, stack: errorMessage(error.stack) },
         };
         await this.finish().catch(() => { });
     }
diff --git a/packages/hydrooj/src/utils.ts b/packages/hydrooj/src/utils.ts
index 38f576d64..3eff24963 100644
--- a/packages/hydrooj/src/utils.ts
+++ b/packages/hydrooj/src/utils.ts
@@ -1,7 +1,7 @@
 import fs from 'fs';
 import { Duplex } from 'stream';
 import cluster from 'cluster';
-import path from 'path';
+import path, { sep } from 'path';
 import serialize from 'serialize-javascript';
 import Lru from 'lru-cache';
 import { ObjectID } from 'mongodb';
@@ -266,3 +266,16 @@ export const log2 = (val: bigint | number) => {
         for (let i = 0; ; i++) if (!(val >> i)) return i - 1;
     }
 };
+
+export function errorMessage(err: Error | string) {
+    const t = typeof err === 'string' ? err : err.stack;
+    const q = t.split('\n');
+    for (let i = 0; i < q.length; i++) {
+        if (!q[i].startsWith('    at')) continue;
+        if (q[i].includes(`${sep}@hydrooj${sep}`)) q[i] = q[i].split(`@hydrooj${sep}`)[1];
+        else if (q[i].includes(`${sep}hydrooj${sep}`)) q[i] = `hydrooj${sep}${q[i].split(`hydrooj/${sep}`)[1]}`;
+    }
+    if (typeof err === 'string') return q.join('\n');
+    err.stack = q.join('\n');
+    return err;
+}