diff --git a/TODO.md b/TODO.md
index 2310031..e075fa2 100644
--- a/TODO.md
+++ b/TODO.md
@@ -1,9 +1,8 @@
 # Now
-- disable text selection on splitter
-- readme
-
-## later
-- debug: true on deploy
 - command line argument to set any option
 - all todos
 - all fixmes
+
+## later
+- readme
+- debug: true on deploy
diff --git a/yhttp/markdown/server.py b/yhttp/markdown/server.py
index fe19291..7ab5c6f 100644
--- a/yhttp/markdown/server.py
+++ b/yhttp/markdown/server.py
@@ -145,6 +145,10 @@ def get(req, path=None):
 
 @app.when
 def ready(app):
+    # metadata (favicon, logo and etc)
+    if not os.path.isdir(cfg.metadata.physical):
+        cfg.metadata.physical = os.path.join(here, 'defaultmetadata')
+
     app.excludes = [re.compile(p) for p in cfg.exclude or []]
     app.loopkup = TemplateLookup(
         directories=[os.path.join(here, 'templates')],
@@ -201,10 +205,6 @@ def __call__(self, args):  # pragma: no cover
         host, port = args.bind.split(':')\
             if ':' in args.bind else ('localhost', args.bind)
 
-        # metadata (favicon, logo and etc)
-        if not os.path.isdir(cfg.metadata.physical):
-            cfg.metadata.physical = os.path.join(here, 'defaultmetadata')
-
         app.ready()
         httpd = make_server(host, int(port), app)
         print(f'Markdown server started at http://{host}:{port}')
diff --git a/yhttp/markdown/styles/layout.sass b/yhttp/markdown/styles/layout.sass
index 1c4e1c5..d94136e 100644
--- a/yhttp/markdown/styles/layout.sass
+++ b/yhttp/markdown/styles/layout.sass
@@ -72,10 +72,18 @@ aside
     padding: 0
 
 
+aside
+  -webkit-user-select: none
+  -ms-user-select: none
+  user-select: none
+
 #splitter
   display: flex
   align-items: center
   justify-content: center
+  -webkit-user-select: none
+  -ms-user-select: none
+  user-select: none
 
 
 .icon