diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 7ed5ca7e2..394ab5043 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.15.10",
+    "version": "2.15.11",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/problem.ts b/packages/hydrooj/src/handler/problem.ts
index e7be5069a..4e2849bd3 100644
--- a/packages/hydrooj/src/handler/problem.ts
+++ b/packages/hydrooj/src/handler/problem.ts
@@ -327,7 +327,7 @@ export class ProblemStatisticsHandler extends ProblemDetailHandler {
         const udoc = await user.getById(domainId, this.pdoc.owner);
         const path = [
             ['problem_main', 'problem_main'],
-            [this.pdoc.title, 'problem_detail', { pid: this.pdoc.pid }, true],
+            [this.pdoc.title, 'problem_detail', { pid: this.pdoc.pid || this.pdoc.docId }, true],
             ['problem_statistics', null],
         ];
         this.response.template = 'problem_statistics.html';
@@ -530,7 +530,7 @@ export class ProblemSolutionHandler extends ProblemDetailHandler {
         const pssdict = solution.getListStatus(domainId, docids, this.user._id);
         const path = [
             ['problem_main', 'problem_main'],
-            [this.pdoc.title, 'problem_detail', { pid: this.pdoc.pid }, true],
+            [this.pdoc.title, 'problem_detail', { pid: this.pdoc.pid || this.pdoc.docId }, true],
             ['problem_solution', null],
         ];
         this.response.body = {