diff --git a/packages/hydrooj/package.json b/packages/hydrooj/package.json
index 9a5fb1500..5f42d6817 100644
--- a/packages/hydrooj/package.json
+++ b/packages/hydrooj/package.json
@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.13",
+    "version": "2.29.14",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
diff --git a/packages/hydrooj/src/handler/training.ts b/packages/hydrooj/src/handler/training.ts
index aedf6ce95..07f2c43f7 100644
--- a/packages/hydrooj/src/handler/training.ts
+++ b/packages/hydrooj/src/handler/training.ts
@@ -237,7 +237,7 @@ class TrainingEditHandler extends Handler {
         title: string, content: string,
         _dag: string, pin = false, description: string,
     ) {
-        if (this.tdoc.pin !== pin) this.checkPerm(PERM.PERM_PIN_TRAINING);
+        if ((!!this.tdoc.pin) !== pin) this.checkPerm(PERM.PERM_PIN_TRAINING);
         const dag = await _parseDagJson(domainId, _dag);
         const pids = training.getPids(dag);
         assert(pids.length, new ValidationError('dag'));
diff --git a/packages/hydrooj/src/model/builtin.ts b/packages/hydrooj/src/model/builtin.ts
index 20d4d642a..fcd1efe28 100644
--- a/packages/hydrooj/src/model/builtin.ts
+++ b/packages/hydrooj/src/model/builtin.ts
@@ -158,6 +158,7 @@ export const PERMS = [
     Permission('perm_training', PERM.PERM_VIEW_TRAINING, 'View training plans'),
     Permission('perm_training', PERM.PERM_CREATE_TRAINING, 'Create training plans'),
     Permission('perm_training', PERM.PERM_EDIT_TRAINING, 'Edit training plans'),
+    Permission('perm_training', PERM.PERM_PIN_TRAINING, 'Pin training plans'),
     Permission('perm_training', PERM.PERM_EDIT_TRAINING_SELF, 'Edit own training plans'),
     Permission('perm_ranking', PERM.PERM_VIEW_RANKING, 'View ranking'),
 ];