diff --git a/editor/resources/index.html b/editor/resources/index.html
index ba12452..be4e41d 100644
--- a/editor/resources/index.html
+++ b/editor/resources/index.html
@@ -28,8 +28,8 @@
 
   <meta name="viewport" content="width=device-width,initial-scale=1" />
 
-  <script src="https://cdn.jsdelivr.net/npm/ejs@3.1.10/ejs.min.js"></script>
-  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+  <script src="https://virt.moe/assets/cloudflare-error-page/ejs.min.js"></script>
+  <link href="https://virt.moe/assets/cloudflare-error-page/bootstrap.min.css" rel="stylesheet">
 
   <script>
     (async function () {
@@ -331,6 +331,8 @@
         doc.write(pageHtml);
         doc.close();
 
+        updateStatusBlockStyles();
+
         // store last rendered HTML for "open in new tab"
         lastRenderedHtml = pageHtml;
       }
@@ -426,7 +428,6 @@
           inp.addEventListener('input', debounce(() => {
             // Update status block color classes for quick visual feedback in the editor
             render();
-            updateStatusBlockStyles();
           }, 200));
           // for radio change events (error_source)
           if (inp.type === 'radio') inp.addEventListener('change', () => { render(); });
@@ -595,7 +596,7 @@
         <div class="form-row mb-3">
           <label for="presetSelect">Preset</label>
           <select id="presetSelect" class="form-select form-select-sm">
-            <option value="default">Default</option>
+            <option value="default">Internal server error (Default)</option>
             <option value="empty">Empty</option>
             <option value="catastrophic">Catastrophic failure</option>
             <option value="working">Server working</option>
@@ -838,10 +839,10 @@
           </div>
 
           <div class="mt-2 text-center">&gt;&gt; Star this project on
-            <a href="https://github.com/donlon/cloudflare-error-page" target="_blank">Github</a> ⭐
+            <a href="https://github.com/donlon/cloudflare-error-page" target="_blank">GitHub</a> ⭐
           </div>
 
-          <div class="mt-2" style="font-size: 0.9em;">You can also embed the error page into your own website. See
+          <div class="mt-2" style="font-size: 0.9em;">You can also embed this error page into your own website. See
             <a href="https://github.com/donlon/cloudflare-error-page#quickstart-for-programmers"
               target="_blank">Quickstart</a> in the
             homepage for steps.
@@ -862,10 +863,5 @@
 
     </div>
   </div>
-
-  <!-- JS: Bootstrap bundle -->
-  <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
-
 </body>
-
-</html>
\ No newline at end of file
+</html>
diff --git a/editor/server/config.example.toml b/editor/server/config.example.toml
index 12a2e4f..f1dbad0 100644
--- a/editor/server/config.example.toml
+++ b/editor/server/config.example.toml
@@ -7,7 +7,7 @@ BEHIND_PROXY = true
 # Some random secret, will be auto-generated if empty
 SECRET_KEY = ''
 
-# Main database URL
+# Main database URI
 SQLALCHEMY_DATABASE_URI = 'sqlite:///database.db'
 
 # Rate limit storage for Flask-Limiter
diff --git a/editor/server/requirements.txt b/editor/server/requirements.txt
new file mode 100644
index 0000000..ed2e52c
--- /dev/null
+++ b/editor/server/requirements.txt
@@ -0,0 +1,3 @@
+Flask
+Flask-Limiter
+Flask-SqlAlchemy
\ No newline at end of file
diff --git a/editor/server/share.py b/editor/server/share.py
index 2a4ca04..f13253e 100644
--- a/editor/server/share.py
+++ b/editor/server/share.py
@@ -113,7 +113,7 @@ def get(name: str):
         params['creator_info'] = {
             'hidden': False,
             'text': 'CF Error Page Editor',
-            'link': f'https://virt.moe/cloudflare-error-page/editor/#from={name}',
+            'link': request.host_url[:-1] + url_for('editor.index') + f'#from={name}',
         }
         # Always escape HTML
         params['what_happened'] = html.escape(params.get('what_happened', '')) # TODO: common render function?
diff --git a/examples/flask_demo.py b/examples/flask_demo.py
index 77020c0..0dd9727 100755
--- a/examples/flask_demo.py
+++ b/examples/flask_demo.py
@@ -18,10 +18,10 @@ from cloudflare_error_page import get_resources_folder, render as render_cf_erro
 
 app = Flask(__name__)
 
-# You can **use resources from Cloudflare CDN. But in case of changing, you can set use_cdn = False to use bundled resources.
+# Resources required for the error page can be loaded from Cloudflare CDN. But in case of changes, you can set use_cdn = False to use bundled resources.
 use_cdn = True
 
-if use_cdn:
+if not use_cdn:
     res_folder = get_resources_folder()
 
     # This handler is used to provide stylesheet and icon resources for the error page. If you pass use_cdn=True to render_cf_error_page
@@ -52,10 +52,10 @@ def index():
         "what_can_i_do": "<p>Please try again in a few minutes.</p>"
     }
 
-    # Get real Ray ID from Cloudflare header
+    # Get the real Ray ID from Cloudflare header
     ray_id = request.headers.get('Cf-Ray', '')[:16]
 
-    # Get real client ip from Cloudflare header or request.remote_addr
+    # Get the real client ip from Cloudflare header or request.remote_addr
     client_ip = request.headers.get('X-Forwarded-For')
     if not client_ip:
         client_ip = request.remote_addr
@@ -70,13 +70,7 @@ def index():
 
 
 if __name__ == '__main__':
-    if len(sys.argv) > 1:
-        host = sys.argv[1]
-    else:
-        host = None
-    if len(sys.argv) > 2:
-        port = int(sys.argv[2])
-    else:
-        port = None
+    host = sys.argv[1] if len(sys.argv) > 1 else None
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else None
     
     app.run(debug=True, host=host, port=port)