diff --git a/packages/hydrojudge/package.json b/packages/hydrojudge/package.json
index 83659f8fa..e759c152e 100644
--- a/packages/hydrojudge/package.json
+++ b/packages/hydrojudge/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
     "bin": "bin/hydrojudge.js",
-    "version": "2.8.8",
+    "version": "2.8.9",
     "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 33f3b8b57..8315b1621 100644
--- a/packages/hydrojudge/setting.yaml
+++ b/packages/hydrojudge/setting.yaml
@@ -47,6 +47,11 @@ parallelism:
   name: parallelism
   desc: Runner parallelism
   default: 2
+rate:
+  type: number
+  name: rate
+  desc: (?)
+  default: 1
 disable:
   type: boolean
   name: disable
diff --git a/packages/hydrojudge/src/config.ts b/packages/hydrojudge/src/config.ts
index 1d2ed385a..4ee5af4bb 100644
--- a/packages/hydrojudge/src/config.ts
+++ b/packages/hydrojudge/src/config.ts
@@ -19,6 +19,7 @@ let config = {
     testcases_max: 100,
     total_time_limit: 60,
     parallelism: 2,
+    rate: 1,
     config: null,
     langs: null,
     env: `\
diff --git a/packages/hydrojudge/src/sandbox.ts b/packages/hydrojudge/src/sandbox.ts
index dad31fc55..60b639cd9 100644
--- a/packages/hydrojudge/src/sandbox.ts
+++ b/packages/hydrojudge/src/sandbox.ts
@@ -34,6 +34,7 @@ function proc({
         copyOut = (copyOut as string[]).map((i) => (i.endsWith('?') ? i.substr(0, i.length - 1) : i));
     }
     const size = parseMemoryMB(getConfig('stdio_size'));
+    const rate = getConfig('rate');
     return {
         args: cmd(execute.replace(/\$\{dir\}/g, '/w')),
         env: getConfig('env').split('\n'),
@@ -42,8 +43,8 @@ function proc({
             { name: 'stdout', max: 1024 * 1024 * size },
             { name: 'stderr', max: 1024 * 1024 * size },
         ],
-        cpuLimit: time * 1000 * 1000,
-        realCpuLimit: time * 3000 * 1000,
+        cpuLimit: time * 1000 * 1000 * rate,
+        realCpuLimit: time * 3000 * 1000 * rate,
         memoryLimit: memory * 1024 * 1024,
         procLimit: process_limit,
         copyIn,
@@ -53,10 +54,11 @@ function proc({
 }
 
 async function adaptResult(result, params) {
+    const rate = getConfig('rate');
     // FIXME: Signalled?
     const ret: any = {
         status: statusMap[result.status] || STATUS.STATUS_ACCEPTED,
-        time_usage_ms: result.time / 1000000,
+        time_usage_ms: result.time / 1000000 / rate,
         memory_usage_kb: result.memory / 1024,
         files: result.files,
         code: result.exitStatus,
diff --git a/packages/hydrooj/src/entry/master.ts b/packages/hydrooj/src/entry/master.ts
index 397ea531c..99b3fa4ff 100644
--- a/packages/hydrooj/src/entry/master.ts
+++ b/packages/hydrooj/src/entry/master.ts
@@ -56,7 +56,6 @@ export async function load(call: Entry) {
     if (process.env.MINIO_ACCESS_KEY && process.env.MINIO_SECRET_KEY) {
         await modelSystem.set('file.accessKey', process.env.MINIO_ACCESS_KEY);
         await modelSystem.set('file.secretKey', process.env.MINIO_SECRET_KEY);
-        await modelSystem.set('file.endPoint', 'http://localhost:9000/');
     }
     const storage = require('../service/storage');
     await storage.start();