core: fix #446

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "4.2.6",
+    "version": "4.2.7",
     "bin": "bin/hydrooj.js",
     "main": "src/plugin-api",
     "module": "src/plugin-api",

packages/hydrooj/src/handler/manage.ts

@@ -171,7 +171,7 @@ class SystemSettingHandler extends SystemHandler {
         for (const key in booleanKeys) {
             if (typeof booleanKeys[key] === 'object') {
                 for (const subkey in booleanKeys[key]) {
-                    if (!args[key][subkey]) tasks.push(system.set(`${key}.${subkey}`, false));
+                    if (!args[key]?.[subkey]) tasks.push(system.set(`${key}.${subkey}`, false));
                 }
             }
         }