diff --git a/packages/hydrooj/src/handler/training.ts b/packages/hydrooj/src/handler/training.ts
index b565581e..ef021706 100644
--- a/packages/hydrooj/src/handler/training.ts
+++ b/packages/hydrooj/src/handler/training.ts
@@ -202,20 +202,19 @@ class TrainingEditHandler extends Handler {
     @param('title', Types.Title)
     @param('content', Types.Content)
     @param('dag', Types.Content)
-    @param('pin', Types.Boolean)
+    @param('pin', Types.UnsignedInt)
     @param('description', Types.Content)
     async post(
         domainId: string, tid: ObjectId,
         title: string, content: string,
-        _dag: string, pin = false, description: string,
+        _dag: string, pin = 0, 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', null, 'Please specify at least one problem'));
         if (!tid) {
-            tid = await training.add(domainId, title, content, this.user._id, dag, description);
-            if (pin) await training.edit(domainId, tid, { pin });
+            tid = await training.add(domainId, title, content, this.user._id, dag, description, pin);
         } else {
             await training.edit(domainId, tid, {
                 title, content, dag, description, pin,
diff --git a/packages/hydrooj/src/interface.ts b/packages/hydrooj/src/interface.ts
index 700fd252..9d0f77c6 100644
--- a/packages/hydrooj/src/interface.ts
+++ b/packages/hydrooj/src/interface.ts
@@ -411,7 +411,7 @@ export interface Tdoc<docType = document['TYPE_CONTEST'] | document['TYPE_TRAINI
 
 export interface TrainingDoc extends Tdoc {
     description: string;
-    pin?: boolean;
+    pin?: number;
     dag: TrainingNode[];
 }
 
diff --git a/packages/hydrooj/src/model/training.ts b/packages/hydrooj/src/model/training.ts
index ddda4b2a..e4182bbb 100644
--- a/packages/hydrooj/src/model/training.ts
+++ b/packages/hydrooj/src/model/training.ts
@@ -36,13 +36,14 @@ export function setStatus(domainId: string, tid: ObjectId, uid: number, $set: an
 
 export function add(
     domainId: string, title: string, content: string,
-    owner: number, dag: TrainingNode[] = [], description = '',
+    owner: number, dag: TrainingNode[] = [], description = '', pin = 0,
 ) {
     return document.add(domainId, content, owner, document.TYPE_TRAINING, null, null, null, {
         dag,
         title,
         description,
         attend: 0,
+        pin,
     });
 }
 
diff --git a/packages/hydrooj/src/upgrade.ts b/packages/hydrooj/src/upgrade.ts
index 9cf80df6..59f00f6f 100644
--- a/packages/hydrooj/src/upgrade.ts
+++ b/packages/hydrooj/src/upgrade.ts
@@ -582,6 +582,11 @@ const scripts: UpgradeScript[] = [
             }
         });
     },
+    async function _80_81() {
+        await document.coll.updateMany({ docType: document.TYPE_TRAINING, pin: false }, { $set: { pin: 0 } });
+        await document.coll.updateMany({ docType: document.TYPE_TRAINING, pin: true }, { $set: { pin: 1 } });
+        return true;
+    },
 ];
 
 export default scripts;
diff --git a/packages/ui-default/templates/training_edit.html b/packages/ui-default/templates/training_edit.html
index 0d12b672..3cd3e598 100644
--- a/packages/ui-default/templates/training_edit.html
+++ b/packages/ui-default/templates/training_edit.html
@@ -6,18 +6,16 @@
       <div class="section__body">
         <form method="post">
           <div class="row">
-            <div class="medium-10 columns">
+            <div class="medium-9 columns">
               <label>
                 {{ _('Title') }}
                 <input name="title" placeholder="{{ _('title') }}" value="{{ tdoc.title|default('') }}" class="textbox" autofocus>
               </label>
             </div>
-            <div class="medium-2 columns">
+            <div class="medium-3 columns">
               <label>
-                <br>
-                <label class="checkbox">
-                  <input type="checkbox" name="pin" value="on"{% if tdoc['hidden'] %} checked{% endif %} class="checkbox">{{ _('Pin') }}
-                </label>
+                {{ _('Pin') }}
+                <input name="pin" placeholder="{{ _('Pin level') }}" value="{{ tdoc.pin|default(0) }}" class="textbox">
               </label>
             </div>
           </div>