diff --git a/framework/framework/server.ts b/framework/framework/server.ts
index 52c4ed697..48e970ce9 100644
--- a/framework/framework/server.ts
+++ b/framework/framework/server.ts
@@ -384,6 +384,10 @@ ${c.response.status} ${endTime - startTime}ms ${c.response.length}`);
             this.ctx.on('dispose', () => {
                 fs.emptyDirSync(uploadDir);
             });
+            // if killed by ctrl-c, on('dispose') will not be called
+            process.on('exit', () => {
+                fs.emptyDirSync(uploadDir);
+            });
         } else {
             this.server.use(Body({
                 multipart: true,
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index bf2918f5e..fccb5da83 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -12,15 +12,16 @@
     },
     "preferUnplugged": true,
     "dependencies": {
-        "@aws-sdk/client-s3": "3.616.0",
-        "@aws-sdk/lib-storage": "3.616.0",
-        "@aws-sdk/s3-presigned-post": "3.616.0",
-        "@aws-sdk/s3-request-presigner": "3.616.0",
+        "@aws-sdk/client-s3": "3.622.0",
+        "@aws-sdk/lib-storage": "3.622.0",
+        "@aws-sdk/s3-presigned-post": "3.622.0",
+        "@aws-sdk/s3-request-presigner": "3.622.0",
         "@graphql-tools/schema": "^10.0.4",
         "@hydrooj/framework": "workspace:^",
         "@hydrooj/utils": "workspace:^",
         "@simplewebauthn/server": "9.0.3",
         "@undefined-moe/require-resolve-hook": "^1.1.0",
+        "@yarnpkg/libzip": "^3.1.0",
         "adm-zip": "0.5.14",
         "cac": "^6.7.14",
         "cordis": "3.16.0",
@@ -64,7 +65,7 @@
         "@types/notp": "^2.0.5",
         "@types/saslprep": "^1.0.3",
         "@types/semver": "^7.5.8",
-        "@types/superagent": "^8.1.7",
+        "@types/superagent": "^8.1.8",
         "chokidar": "^3.6.0",
         "moment": "^2.30.1"
     }
diff --git a/packages/hydrooj/src/init.ts b/packages/hydrooj/src/init.ts
index 445873f35..4bddf7756 100644
--- a/packages/hydrooj/src/init.ts
+++ b/packages/hydrooj/src/init.ts
@@ -33,3 +33,6 @@ if (!global.Hydro) {
     global.addons = [];
 }
 global.app = new (require('./context').Context)();
+process.on('exit', () => {
+    app.stop();
+});
diff --git a/packages/hydrooj/src/libs.ts b/packages/hydrooj/src/libs.ts
index ffd6b34eb..2e88e66f2 100644
--- a/packages/hydrooj/src/libs.ts
+++ b/packages/hydrooj/src/libs.ts
@@ -1,3 +1,4 @@
+import { ZipFS, ZipOpenFS } from '@yarnpkg/libzip';
 import AdmZip from 'adm-zip';
 import _ from 'lodash';
 import { ObjectId as ObjectID } from 'mongodb';
@@ -9,8 +10,9 @@ export { WebSocket, WebSocketServer } from '@hydrooj/framework';
 export * from './utils';
 export * from './interface';
 export * from './typeutils';
+export * as LibZip from '@yarnpkg/libzip';
 export {
-    Schema, AdmZip, superagent, _, ObjectID,
+    Schema, AdmZip, superagent, _, ObjectID, ZipFS, ZipOpenFS,
 };
 export const definePlugin = <T = never>(args: {
     using?: keyof Context[];