diff --git a/inject.js b/inject.js
index 29a87ac..769db4e 100644
--- a/inject.js
+++ b/inject.js
@@ -227,12 +227,6 @@ Object.assign(native, {
     },
     copy(filepath, target) {
       return handler('fs', { action: 'copy', filepath, target })
-    },
-    async upload(file) {
-      return handler('fs', {
-        action: 'upload',
-        file: new Uint8Array(await file.arrayBuffer())
-      })
     }
   },
   image(filepath) {
@@ -387,5 +381,10 @@ Object.assign(native, {
       null
     )
   },
+
+  md5(value = '') {
+    return handler('md5', { value })
+  },
+
   handler
 })
diff --git a/main.py b/main.py
index be88d50..930de2e 100755
--- a/main.py
+++ b/main.py
@@ -1,6 +1,6 @@
 #!/usr/bin/python3 
 
-import gi, json, os, shutil
+import gi, json, os, shutil, hashlib
 
 
 gi.require_version("Gtk", "3.0")
@@ -27,8 +27,6 @@ except (ValueError, ImportError):
 Keybinder.init()
 
 
-# im_context = Gtk.IMContext()
-
 
 class WebKitWindow(Gtk.Window):
   def __init__(self):
@@ -37,7 +35,7 @@ class WebKitWindow(Gtk.Window):
     Gtk.Window.__init__(self, title="WebKit Example")
 
     self.notify = Notification(self)
-    # Notification.__init__(self.notify, )
+    self.display = Gdk.Display.get_default()
 
     self.set_default_size(800, 600)
 
@@ -48,7 +46,6 @@ class WebKitWindow(Gtk.Window):
     settings.set_enable_developer_extras(True)
     # settings.set_disable_web_security(True)
 
- 
     
 
     settings.set_enable_html5_database(True)
@@ -85,9 +82,8 @@ class WebKitWindow(Gtk.Window):
     im = self.webview.get_input_method_context()
     im.set_enable_preedit(True)
 
-    # self.webview.load_uri("http://127.0.0.1:10086/index.html")
-    self.webview.load_uri("app:///index.html")
-    # self.webview.load_uri("https://benchmark.wkit.fun")
+    # self.webview.load_uri("app:///index.html")
+    self.webview.load_uri("https://benchmark.wkit.fun")
 
 
     # 解决输入法候选框跟随问题
@@ -104,8 +100,7 @@ class WebKitWindow(Gtk.Window):
 
 
   def on_preedit_changed(self, im):
-    display = Gdk.Display.get_default()
-    p = display.get_pointer() # 光标位置
+    p = self.display.get_pointer() # 光标位置
     x, y = self.get_position() # 窗口位置
 
     im.notify_focus_in()
@@ -246,11 +241,7 @@ class WebKitWindow(Gtk.Window):
    
         if params['action'] == 'isdir':
           output = os.path.isdir(filepath)
-       
-        if params['action'] == 'upload':
-          print(params)
 
-        
 
       case 'clipboard':
         # 读文本
@@ -296,14 +287,12 @@ class WebKitWindow(Gtk.Window):
 
       case 'monitor':
         if params['action'] == 'get-all':
-          display = Gdk.Display.get_default()
-          monitor_num = display.get_n_monitors()
-          monitors = [display.get_monitor(i) for i in range(monitor_num)]
+          monitor_num = self.display.get_n_monitors()
+          monitors = [self.display.get_monitor(i) for i in range(monitor_num)]
           output = [get_monitor_info(m) for m in monitors]
           
         elif params['action'] == 'get-primary':
-          display = Gdk.Display.get_default()
-          monitor = display.get_primary_monitor()
+          monitor = self.display.get_primary_monitor()
           output = get_monitor_info(monitor)
 
       case 'keybinder':
@@ -389,6 +378,9 @@ class WebKitWindow(Gtk.Window):
 
         self.notify.create(title, summary, icon, progress, urgency, params.get('callback'))
 
+      case 'md5':
+        output = hashlib.md5(str(params.get('value'))).hexdigest()
+
     # 有回调则返回结果
     if callback:
       self.call_js(callback, output)
diff --git a/webview/app.js b/webview/app.js
index b8f9b99..fab05f9 100644
--- a/webview/app.js
+++ b/webview/app.js
@@ -114,6 +114,7 @@ class App extends Component {
           let file = ev.target.files[0]
           let u8 = new Uint8Array(await file.arrayBuffer())
           console.log(u8)
+          // 分片写入
           for (let i = 0; i <= u8.length; i += 2048) {
             await native.fs.write(
               '/code/gtk/webkit/demo.png',