diff --git a/app.py b/app.py
index 123c2c0..a265442 100644
--- a/app.py
+++ b/app.py
@@ -79,7 +79,7 @@ class Paragraph(db.Model):
         return self.time.strftime("%m-%d %H:%M")
 
     def reaction_status(self):
-        user = session.get('username')
+        user = session['uid']
         return list(zip(
             '👍😡🤣😅👎',
             [self.like_num, self.angry_num, self.fun_num, self.sweat_num, 0],
@@ -95,7 +95,7 @@ class Reaction(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     kind = db.Column(db.SmallInteger)  # 1: like 2: angry 3: funny 4: sweat 5:dislike
     pid = db.Column(db.Integer, index=True)  # id of paragraph
-    user = db.Column(db.String(30))  # username of user
+    user = db.Column(db.String(30))  # str(uid)
 
 
 def choose_new_next(min_like_num=MIN_LIKE_NUM):
@@ -291,7 +291,6 @@ def create():
 
 
 @bp.route('/react', methods=['POST'])
-@login_required
 @limiter.limit("100 / minute")
 def react():
     kind = request.form.get('kind', type=int)
@@ -300,7 +299,7 @@ def react():
         abort(422)
     p = Paragraph.query.get_or_404(pid)
 
-    d = dict(kind=kind, user=session['username'], pid=pid)
+    d = dict(kind=kind, user=session['uid'], pid=pid)
     if Reaction.query.filter_by(**d).first():
         return ''
     db.session.add(Reaction(**d))
diff --git a/templates/story.html b/templates/story.html
index e5d3553..75ae4bb 100644
--- a/templates/story.html
+++ b/templates/story.html
@@ -184,8 +184,6 @@
 
 <script>
   $('.can-react').click(function (e) {
-    if (check_login())
-      return;
     $this = $(this);
     $.post(
       'react',