Fix ID/Hashid Problem

app/templates/profile/profile.html.j2

@@ -13,7 +13,7 @@
                 <br>
                 <br>
                 {% if user.avatar %}
-                <img src="/profile/{{ user.id }}/avatar" alt="user-image" class="circle responsive-img">
+                <img src="{{ url_for('.profile_avatar', user_id=user_id) }}" alt="user-image" class="circle responsive-img">
                 {% else %}
                 <img src="{{ url_for('static', filename='images/user_avatar.png') }}" alt="user-image" class="circle responsive-img">
                 {% endif %}