diff --git a/service.py b/service.py
index eaaa24e..af5395e 100644
--- a/service.py
+++ b/service.py
@@ -397,6 +397,8 @@ def find_subjects(subject, count):
 # ================================================================================
 @app.route('/edit_subcategory', methods=['GET', 'POST'])
 def add_sub_category():
+    if not session.get('logged_in'):
+        return render_template('login.html')
     if request.method == 'POST':
         subject_id = request.form['subject_id']
         subject_name = request.form['subject_name']
diff --git a/templates/subject.html b/templates/subject.html
index 8c11bf4..a86d00e 100644
--- a/templates/subject.html
+++ b/templates/subject.html
@@ -59,11 +59,12 @@
     <div class="card-body">
       <p class="card-text">You are in {{ url }}</p>
         <form name="myform" method="get" onsubmit="return verify();">
-            <input type="text" name="subject_id" style="display: none" value={{ subject_id }}>
-            <input type="email" name="email" id="email" placeholder="Enter Email to post or create" required="required"/><br><br>
+            <input type="text" name="subject_id" style="display: none" value={{ subject_id }}><br>
         <button type="submit" class="btn btn-primary" onclick="postArticle()">post article</button>
+            {% if session.get('logged_in') %}
         <button type="submit" class="btn btn-primary" onclick="createSubject()">add subcategory</button>
         <input type="checkbox" name="add_father" value="father" /> add main subject
+            {% endif %}
         </form>
     </div>
   </div><br>