core: update priority calculation

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.13.14",
+    "version": "3.13.15",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/record.ts

@@ -30,7 +30,7 @@ class RecordModel {
         const pending = await task.count({ uid, rejudged: { $ne: true } });
         const timeRecent = await RecordModel.coll
             .find({ _id: { $gte: Time.getObjectID(moment().add(-30, 'minutes')) }, uid }).project({ time: 1 }).toArray();
-        return base - ((pending * 1000 + 1) * (sum(timeRecent.map((i) => i.time || 0)) / 10000));
+        return base - ((pending * 1000 + 1) * (sum(timeRecent.map((i) => i.time || 0)) / 10000) + 1);
     }
 
     static async get(_id: ObjectID): Promise<RecordDoc | null>;