diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 8bcac7513..2d5498967 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.32.15",
+    "version": "2.32.16",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",
diff --git a/packages/hydrooj/src/handler/contest.ts b/packages/hydrooj/src/handler/contest.ts
index 837510d99..95f8734c9 100644
--- a/packages/hydrooj/src/handler/contest.ts
+++ b/packages/hydrooj/src/handler/contest.ts
@@ -317,6 +317,8 @@ export class ContestProblemFileDownloadHandler extends ContestProblemHandler {
         if (type === 'testdata' && !this.user.own(this.pdoc)) {
             if (!this.user.hasPriv(PRIV.PRIV_READ_PROBLEM_DATA)) this.checkPerm(PERM.PERM_READ_PROBLEM_DATA);
         }
+        // @ts-ignore
+        if (typeof this.pdoc.docId === 'string') this.pdoc.docId = this.pdoc.docId.split(':')[1];
         this.response.redirect = await storage.signDownloadLink(
             `problem/${this.pdoc.domainId}/${this.pdoc.docId}/${type}/${filename}`,
             noDisposition ? undefined : filename, false, 'user',
diff --git a/packages/hydrooj/src/handler/homework.ts b/packages/hydrooj/src/handler/homework.ts
index 8b5eb1005..9cfbf0d87 100644
--- a/packages/hydrooj/src/handler/homework.ts
+++ b/packages/hydrooj/src/handler/homework.ts
@@ -183,6 +183,8 @@ export class HomeworkProblemFileDownloadHandler extends HomeworkDetailProblemHan
         if (type === 'testdata' && !this.user.own(this.pdoc)) {
             if (!this.user.hasPriv(PRIV.PRIV_READ_PROBLEM_DATA)) this.checkPerm(PERM.PERM_READ_PROBLEM_DATA);
         }
+        // @ts-ignore
+        if (typeof this.pdoc.docId === 'string') this.pdoc.docId = this.pdoc.docId.split(':')[1];
         this.response.redirect = await storage.signDownloadLink(
             `problem/${this.pdoc.domainId}/${this.pdoc.docId}/${type}/${filename}`,
             noDisposition ? undefined : filename, false, 'user',