diff --git a/package.json b/package.json
index ed8aecf7..0770b3b7 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
     "workspaces": [
         "packages/*"
     ],
+    "main": "package.json",
     "scripts": {
         "build": "node build/build.js",
         "build:watch": "node build/build.js --watch",
diff --git a/packages/customize b/packages/customize
index 627cbb94..88b1f57a 160000
--- a/packages/customize
+++ b/packages/customize
@@ -1 +1 @@
-Subproject commit 627cbb9437268b82a74c6fabb85e3480ec6ad1fc
+Subproject commit 88b1f57a84f4db58489fec74897cdd961d35c1a5
diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 1b1ab109..ce3db972 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.13.58",
+    "version": "2.13.59",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
@@ -32,6 +32,7 @@
         "superagent": "^6.1.0",
         "supports-color": "^7.2.0",
         "systeminformation": "^4.30.1",
+        "wtfnode": "^0.8.4",
         "yargs": "^16.1.1"
     },
     "devDependencies": {
@@ -49,6 +50,7 @@
         "@types/sockjs": "^0.3.32",
         "@types/superagent": "^4.1.8",
         "@types/supports-color": "^7.2.0",
+        "@types/wtfnode": "^0.7.0",
         "@types/yargs": "^15.0.10"
     },
     "scripts": {
diff --git a/packages/hydrooj/src/loader.ts b/packages/hydrooj/src/loader.ts
index 4907c560..23a868e2 100644
--- a/packages/hydrooj/src/loader.ts
+++ b/packages/hydrooj/src/loader.ts
@@ -6,6 +6,7 @@ import './interface';
 import os from 'os';
 import path from 'path';
 import cluster from 'cluster';
+import wtfnode from 'wtfnode';
 import fs from 'fs-extra';
 import { argv } from 'yargs';
 import AdmZip from 'adm-zip';
@@ -47,9 +48,13 @@ import { Logger } from './logger';
 import * as bus from './service/bus';
 
 const logger = new Logger('loader');
+wtfnode.setLogger('error', logger.error.bind(logger));
+wtfnode.setLogger('warn', logger.warn.bind(logger));
+wtfnode.setLogger('info', logger.info.bind(logger));
 logger.debug('%o', argv);
 
 async function terminate() {
+    wtfnode.dump();
     try {
         await bus.parallel('app/exit');
     } catch (e) {
@@ -156,7 +161,7 @@ export function addon(addonPath: string) {
             if (fs.existsSync(publicPath)) fs.copySync(publicPath, publicTemp);
             global.addons.push(modulePath);
         } catch (e) {
-            throw new Error(`Addon not found: ${addonPath}`);
+            logger.error(`Addon not found: ${addonPath}`);
         }
     } else if (modulePath.endsWith('.hydro')) {
         try {
@@ -180,7 +185,7 @@ export function addon(addonPath: string) {
             logger.error('Addon load fail: ', e);
             throw e;
         }
-    } else throw new Error(`Addon not found: ${addonPath}`);
+    } else logger.error(`Addon not found: ${addonPath}`);
 }
 
 process.on('unhandledRejection', logger.error);
diff --git a/packages/hydrooj/src/model/setting.ts b/packages/hydrooj/src/model/setting.ts
index 0cf40c9e..f32916bc 100644
--- a/packages/hydrooj/src/model/setting.ts
+++ b/packages/hydrooj/src/model/setting.ts
@@ -140,6 +140,7 @@ SystemSetting(
     Setting('setting_session', 'session.unsaved_expire_seconds', null, 3600 * 3, 'number', 'Unsaved session expire seconds'),
     Setting('setting_storage', 'db.ver', null, 0, 'number', 'Database version', null, FLAG_DISABLED | FLAG_HIDDEN),
     Setting('setting_storage', 'user', null, 1, 'number', 'User Counter', null, FLAG_DISABLED | FLAG_HIDDEN),
+    Setting('setting_storage', 'installid', null, String.random(64), 'text', 'Installation ID', null, FLAG_HIDDEN | FLAG_DISABLED),
 );
 
 bus.once('app/started', async () => {