diff --git a/packages/hydrooj/src/model/contest.ts b/packages/hydrooj/src/model/contest.ts
index bd77d7e67..e1d2f1091 100644
--- a/packages/hydrooj/src/model/contest.ts
+++ b/packages/hydrooj/src/model/contest.ts
@@ -103,6 +103,7 @@ const acm = buildContestRule({
         // eslint-disable-next-line @typescript-eslint/no-use-before-define
         const lockAt = isLocked(tdoc) ? tdoc.lockAt : null;
         for (const j of journal) {
+            if (!tdoc.pids.includes(j.pid)) continue;
             if (!this.submitAfterAccept && display[j.pid]?.status === STATUS.STATUS_ACCEPTED) continue;
             if (![STATUS.STATUS_ACCEPTED, STATUS.STATUS_COMPILE_ERROR, STATUS.STATUS_FORMAT_ERROR].includes(j.status)) {
                 naccept[j.pid]++;