diff --git a/Control/UserControls/Config/MotionControl.xaml b/Control/UserControls/Config/MotionControl.xaml
index 206766b..02e0a8b 100644
--- a/Control/UserControls/Config/MotionControl.xaml
+++ b/Control/UserControls/Config/MotionControl.xaml
@@ -149,7 +149,7 @@
                 </CheckBox>
             </hc:UniformSpacingPanel>
             <hc:UniformSpacingPanel Spacing="10" Margin="10,5,0,0" Grid.ColumnSpan="4">
-                <TextBlock Text="新建待办:" Margin="0,5,0,0"  Width="55"/>
+                <TextBlock Text="待办任务:" Margin="0,5,0,0"  Width="55"/>
                 <hc:TextBox HorizontalAlignment="Left" 
                             Tag="{x:Static cst:HotKeyType.ToDo}"
                             VerticalAlignment="Top" 
diff --git a/MyThread/UpdateThread.cs b/MyThread/UpdateThread.cs
index f09ebe4..0fc5a8f 100644
--- a/MyThread/UpdateThread.cs
+++ b/MyThread/UpdateThread.cs
@@ -27,7 +27,13 @@ namespace GeekDesk.MyThread
             {
 
                 //等待1分钟后再检查更新  有的网络连接过慢
-                System.Threading.Thread.Sleep(60 * 1000);
+                int sleepTime = 60 * 1000;
+                if (Constants.DEV)
+                {
+                    sleepTime = 1;
+                }
+
+                System.Threading.Thread.Sleep(sleepTime);
 
                 string updateUrl;
                 string nowVersion = ConfigurationManager.AppSettings["Version"];
diff --git a/Util/HttpUtil.cs b/Util/HttpUtil.cs
index 00bf2c5..2c7a43a 100644
--- a/Util/HttpUtil.cs
+++ b/Util/HttpUtil.cs
@@ -12,10 +12,10 @@ namespace GeekDesk.Util
             ServicePointManager.Expect100Continue = true;
             ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
             //创建Web访问对  象
-            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);
+            WebRequest myRequest = WebRequest.Create(url);
             myRequest.ContentType = "text/plain; charset=utf-8";
             //通过Web访问对象获取响应内容
-            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
+            WebResponse myResponse = myRequest.GetResponse();
 
             //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
             StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.GetEncoding("utf-8"));