diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index ac2c84ca..78e63104 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.6.4",
+    "version": "2.6.5",
     "main": "package.json",
     "author": "undefined <i@undefined.moe>",
     "repository": "https://github.com/hydro-dev/Hydro.git",
diff --git a/packages/hydrojudge/setting.yaml b/packages/hydrojudge/setting.yaml
index e549c01a..33f3b8b5 100644
--- a/packages/hydrojudge/setting.yaml
+++ b/packages/hydrojudge/setting.yaml
@@ -51,4 +51,11 @@ disable:
   type: boolean
   name: disable
   desc: Disable builtin judge
-  default: false
\ No newline at end of file
+  default: false
+env:
+  type: text
+  name: env
+  desc: Sandbox Env
+  default: |
+    PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+    HOME=/w
\ No newline at end of file
diff --git a/packages/hydrojudge/src/config.ts b/packages/hydrojudge/src/config.ts
index fa082da2..9dec040b 100644
--- a/packages/hydrojudge/src/config.ts
+++ b/packages/hydrojudge/src/config.ts
@@ -22,6 +22,9 @@ let config = {
     parallelism: 2,
     config: null,
     langs: null,
+    env: `\
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+HOME=/w`,
 };
 
 export function getConfig(key: string) {
diff --git a/packages/hydrojudge/src/sandbox.ts b/packages/hydrojudge/src/sandbox.ts
index f6c20beb..23fff978 100644
--- a/packages/hydrojudge/src/sandbox.ts
+++ b/packages/hydrojudge/src/sandbox.ts
@@ -8,8 +8,6 @@ import { getConfig } from './config';
 import { Logger } from './log';
 
 const logger = new Logger('sandbox');
-const env = ['PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'HOME=/w'];
-const axios = Axios.create({ baseURL: getConfig('sandbox_host') });
 let callId = 0;
 
 const statusMap = {
@@ -33,7 +31,7 @@ function proc({
     const size = parseMemoryMB(getConfig('stdio_size'));
     return {
         args: cmd(execute.replace(/\$\{dir\}/g, '/w')),
-        env,
+        env: getConfig('env').split('\n'),
         files: [
             stdin ? { src: stdin } : { content: '' },
             { name: 'stdout', max: 1024 * 1024 * size },
@@ -93,7 +91,7 @@ export async function runMultiple(execute) {
         body.cmd[1].files[1] = null;
         const id = callId++;
         if (argv['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(body));
-        res = await axios.post('/run', body);
+        res = await Axios.create({ baseURL: getConfig('sandbox_host') }).post('/run', body);
         if (argv['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(res.data));
     } catch (e) {
         if (e instanceof FormatError) throw e;
@@ -103,7 +101,7 @@ export async function runMultiple(execute) {
 }
 
 export async function del(fileId) {
-    const res = await axios.delete(`/file/${fileId}`);
+    const res = await Axios.create({ baseURL: getConfig('sandbox_host') }).delete(`/file/${fileId}`);
     return res.data;
 }
 
@@ -116,7 +114,7 @@ export async function run(execute, params?) {
         const body = { cmd: [proc({ execute, ...params })] };
         const id = callId++;
         if (argv['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(body));
-        const res = await axios.post('/run', body);
+        const res = await Axios.create({ baseURL: getConfig('sandbox_host') }).post('/run', body);
         if (argv['show-sandbox-call']) logger.debug('%d %s', id, JSON.stringify(res.data));
         [result] = res.data;
     } catch (e) {
diff --git a/packages/hydrojudge/src/service.ts b/packages/hydrojudge/src/service.ts
index 273f5d19..5ec37a37 100644
--- a/packages/hydrojudge/src/service.ts
+++ b/packages/hydrojudge/src/service.ts
@@ -18,7 +18,6 @@ import { getConfig } from './config';
 
 declare module 'hydrooj/dist/interface' {
     interface SystemKeys {
-        'hydrojudge.langs': string,
         'hydrojudge.cache_dir': string,
         'hydrojudge.tmp_dir': string,
         'hydrojudge.tmpfs_size': string,