diff --git a/packages/hydrojudge/src/judge/run.ts b/packages/hydrojudge/src/judge/run.ts
index 12d1da7ba..05ecf9b4e 100644
--- a/packages/hydrojudge/src/judge/run.ts
+++ b/packages/hydrojudge/src/judge/run.ts
@@ -5,27 +5,72 @@ import * as STATUS from '../status';
 import { run } from '../sandbox';
 import compile from '../compile';
 import signals from '../signals';
+import { compilerText, parseMemoryMB, parseTimeMS } from '../utils';
+import { CompileError } from '../error';
 
 export const judge = async (ctx) => {
     ctx.stat.judge = new Date();
     ctx.next({ status: STATUS.STATUS_COMPILING });
-    ctx.execute = await compile(ctx.lang, ctx.code, 'code', {}, ctx.next);
+    try {
+        ctx.execute = await compile(ctx.lang, ctx.code, 'code', {}, ctx.next);
+    } catch (e) {
+        if (e instanceof CompileError) {
+            ctx.next({
+                status: STATUS.STATUS_COMPILE_ERROR,
+                case: {
+                    status: STATUS.STATUS_COMPILE_ERROR,
+                    score: 0,
+                    time_ms: 0,
+                    memory_kb: 0,
+                    message: compilerText(e.stdout, e.stderr),
+                },
+            });
+            ctx.end({
+                status: STATUS.STATUS_COMPILE_ERROR,
+                score: 0,
+                time_ms: 0,
+                memory_kb: 0,
+            });
+        } else {
+            ctx.next({
+                status: STATUS.STATUS_SYSTEM_ERROR,
+                case: {
+                    status: STATUS.STATUS_SYSTEM_ERROR,
+                    score: 0,
+                    time_ms: 0,
+                    memory_kb: 0,
+                    message: `${e.message}\n${JSON.stringify(e.params)}`,
+                },
+            });
+            ctx.end({
+                status: STATUS.STATUS_COMPILE_ERROR,
+                score: 0,
+                time_ms: 0,
+                memory_kb: 0,
+            });
+        }
+        return;
+    }
     ctx.clean.push(ctx.execute.clean);
     ctx.next({ status: STATUS.STATUS_JUDGING, progress: 0 });
     const copyIn = { ...ctx.execute.copyIn };
-    const stdin = path.resolve(ctx.tmpdir, 'stdin');
-    const stdout = path.resolve(ctx.tmpdir, 'stdout');
-    const stderr = path.resolve(ctx.tmpdir, 'stderr');
-    fs.writeFileSync(stdin, ctx.config.input || '');
+    const { filename } = ctx.config;
+    if (filename) copyIn[`${filename}.in`] = { content: ctx.config.input };
+    const copyOut = filename ? [`${filename}.out`] : [];
+    const stdin = path.resolve(ctx.tmpdir, '0.in');
+    await fs.writeFile(stdin, ctx.config.input);
+    const stdout = path.resolve(ctx.tmpdir, '0.out');
+    const stderr = path.resolve(ctx.tmpdir, '0.err');
     const res = await run(
         ctx.execute.execute.replace(/\$\{name\}/g, 'code'),
         {
-            stdin,
-            stdout,
+            stdin: filename ? null : stdin,
+            stdout: filename ? null : stdout,
             stderr,
             copyIn,
-            time_limit_ms: ctx.config.time,
-            memory_limit_mb: ctx.config.memory,
+            copyOut,
+            time_limit_ms: parseTimeMS(ctx.config.time),
+            memory_limit_mb: parseMemoryMB(ctx.config.memory),
         },
     );
     const { code, time_usage_ms, memory_usage_kb } = res;
diff --git a/packages/hydrojudge/src/utils.ts b/packages/hydrojudge/src/utils.ts
index 301a08bd5..7994b7831 100644
--- a/packages/hydrojudge/src/utils.ts
+++ b/packages/hydrojudge/src/utils.ts
@@ -12,18 +12,19 @@ const MEMORY_UNITS = { k: 0.1, m: 1, g: 1024 };
 const EMPTY_STR = /^[ \r\n\t]*$/i;
 
 export const cmd = parse;
-
 export function noop() { }
 
-export function parseTimeMS(str: string) {
-    const match = TIME_RE.exec(str);
-    if (!match) throw new FormatError('Error parsing time: {0}', [str]);
+export function parseTimeMS(val: string | number) {
+    if (typeof val === 'number') return val;
+    const match = TIME_RE.exec(val);
+    if (!match) throw new FormatError('Error parsing time: {0}', [val]);
     return Math.floor(parseFloat(match[1]) * TIME_UNITS[match[2]]);
 }
 
-export function parseMemoryMB(str: string) {
-    const match = MEMORY_RE.exec(str);
-    if (!match) throw new FormatError('Error parsing memory: {0}', [str]);
+export function parseMemoryMB(val: string | number) {
+    if (typeof val === 'number') return val;
+    const match = MEMORY_RE.exec(val);
+    if (!match) throw new FormatError('Error parsing memory: {0}', [val]);
     return Math.floor(parseFloat(match[1]) * MEMORY_UNITS[match[2]]);
 }
 
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 3dc876eb9..1f5274768 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.15.18",
+    "version": "2.15.19",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/problem.ts b/packages/hydrooj/src/handler/problem.ts
index 0c009da38..a5afe144f 100644
--- a/packages/hydrooj/src/handler/problem.ts
+++ b/packages/hydrooj/src/handler/problem.ts
@@ -295,9 +295,7 @@ export class ProblemPretestHandler extends ProblemDetailHandler {
 
 export class ProblemPretestConnectionHandler extends ConnectionHandler {
     pid: string;
-
     domainId: string;
-
     dispose: bus.Disposable;
 
     @param('pid', Types.String)
@@ -316,12 +314,6 @@ export class ProblemPretestConnectionHandler extends ConnectionHandler {
             || rdoc.pid.toString() !== this.pid
             || rdoc.domainId !== this.domainId
         ) return;
-        rdoc.compilerTexts = [];
-        rdoc.judgeTexts = [];
-        // @ts-ignore
-        rdoc.testCases = rdoc.testCases.map((c) => ({
-            status: c.status,
-        }));
         // TODO handle update
         if (rdoc.contest) return;
         this.send({ rdoc });
diff --git a/packages/hydrooj/src/lib/i18n.ts b/packages/hydrooj/src/lib/i18n.ts
index e0053137d..946522908 100644
--- a/packages/hydrooj/src/lib/i18n.ts
+++ b/packages/hydrooj/src/lib/i18n.ts
@@ -1,5 +1,3 @@
-import { Dictionary } from 'lodash';
-
 const locales = {};
 
 declare global {
@@ -43,7 +41,6 @@ String.prototype.rawformat = function rawFormat(object) {
 };
 
 String.prototype.translate = function translate(...languages: string[]) {
-    languages.push(global.Hydro.model.system.get('server.language'));
     for (const language of languages) {
         if (!language) continue;
         const curr = (locales[language] || {})[this] || (locales[language.split('_')[0]] || {})[this];
@@ -52,9 +49,9 @@ String.prototype.translate = function translate(...languages: string[]) {
     return this;
 };
 
-function load(data: Dictionary<string>) {
+function load(data: Record<string, Record<string, string>>) {
     for (const i in data) {
-        if (!locales[i]) locales[i] = data[i];
+        if (!locales[i]) locales[i] = { __id: i, ...data[i] };
         else locales[i] = Object.assign(locales[i], data[i]);
     }
 }
diff --git a/packages/hydrooj/src/utils.ts b/packages/hydrooj/src/utils.ts
index 58d9e13a0..c8d38e805 100644
--- a/packages/hydrooj/src/utils.ts
+++ b/packages/hydrooj/src/utils.ts
@@ -232,15 +232,10 @@ export namespace Time {
     export const week = day * 7;
     export function formatTimeShort(ms: number) {
         const abs = Math.abs(ms);
-        if (abs >= day - hour / 2) {
-            return `${Math.round(ms / day)}d`;
-        } if (abs >= hour - minute / 2) {
-            return `${Math.round(ms / hour)}h`;
-        } if (abs >= minute - second / 2) {
-            return `${Math.round(ms / minute)}m`;
-        } if (abs >= second) {
-            return `${Math.round(ms / second)}s`;
-        }
+        if (abs >= day - hour / 2) return `${Math.round(ms / day)}d`;
+        if (abs >= hour - minute / 2) return `${Math.round(ms / hour)}h`;
+        if (abs >= minute - second / 2) return `${Math.round(ms / minute)}m`;
+        if (abs >= second) return `${Math.round(ms / second)}s`;
         return `${ms}ms`;
     }