core: fix remote domain langs config

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.17.3",
+    "version": "3.17.4",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/handler/problem.ts

@@ -356,7 +356,7 @@ export class ProblemDetailHandler extends ContestDetailBaseHandler {
             if (this.pdoc.config.langs) t.push(this.pdoc.config.langs);
             if (ddoc.langs) t.push(ddoc.langs.split(',').map((i) => i.trim()).filter((i) => i));
             if (this.domain.langs) t.push(this.domain.langs.split(',').map((i) => i.trim()).filter((i) => i));
-            if (t.length) this.pdoc.config.langs = intersection(baseLangs, ...t);
+            this.pdoc.config.langs = intersection(baseLangs, ...t);
         }
         await bus.serial('problem/get', this.pdoc, this);
         [this.psdoc, this.udoc] = await Promise.all([

packages/hydrooj/src/model/task.ts

@@ -145,7 +145,7 @@ Worker.addHandler('task.daily', async () => {
     await global.Hydro.model.record.coll.deleteMany({ contest: new ObjectID('000000000000000000000000') });
     await global.Hydro.script.rp?.run({}, new Logger('task/rp').debug);
     await global.Hydro.script.problemStat?.run({}, new Logger('task/problem').debug);
-    if (global.Hydro.model.system.get('server.checkUpdate')) {
+    if (global.Hydro.model.system.get('server.checkUpdate') && !(new Date().getDay() % 3)) {
         await global.Hydro.script.checkUpdate?.run({}, new Logger('task/checkUpdate').debug);
     }
     await bus.serial('task/daily');