diff --git a/app/__init__.py b/app/__init__.py
index 4051006..64b09d1 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -94,10 +94,6 @@ def page_not_found(e):
 def page_not_found(e):
     return render_template('error-page.html', code=502), 502
 
-@app.route('/ads.txt')
-def serve_ads_txt():
-    return 'google.com, pub-2875393290104787, DIRECT, f08c47fec0942fa0', 200, {'Content-Type': 'text/plain'}
-
 from app.views import *
 app.register_blueprint(home,url_prefix='')
 app.register_blueprint(course,url_prefix='/course')
diff --git a/app/templates/course.html b/app/templates/course.html
index c322b91..fd3e907 100644
--- a/app/templates/course.html
+++ b/app/templates/course.html
@@ -599,19 +599,6 @@ <h4 class="blue">{{ teacher.name }}老师的其他课</h5>
           {% endfor %}
         </div>
         {% endfor %}
-
-        <!-- 广告 -->
-        <script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-2875393290104787"
-        crossorigin="anonymous"></script>
-        <ins class="adsbygoogle"
-             style="display:block"
-             data-ad-client="ca-pub-2875393290104787"
-             data-ad-slot="3157156159"
-             data-ad-format="auto"
-             data-full-width-responsive="true"></ins>
-        <script>
-             (adsbygoogle = window.adsbygoogle || []).push({});
-        </script>
       </div>
     </div> <!-- row -->
   </div> <!-- float-element -->