在模拟器上运行Android应用程序时出错

Question

我在Eclipse中创建Android应用程序，连接到VM（adb connect 192.168.56.101）。然后我尝试运行应用运行方式 - ＆gt; Android应用，我有错误

 [2014-12-22 21:00:17 - Hello] ------------------------------
    [2014-12-22 21:00:17 - Hello] Android Launch!
    [2014-12-22 21:00:17 - Hello] adb is running normally.
    [2014-12-22 21:00:17 - Hello] Performing com.example.hello.MainActivity activity launch
    [2014-12-22 21:00:17 - Hello] Automatic Target Mode: using device '192.168.56.101:5555'
    [2014-12-22 21:00:17 - Hello] Uploading Hello.apk onto device '192.168.56.101:5555'
    [2014-12-22 21:00:17 - Hello] Failed to install Hello.apk on device '192.168.56.101:5555': I/O error
    [2014-12-22 21:00:17 - Hello] com.android.ddmlib.SyncException: I/O error
    [2014-12-22 21:00:17 - Hello] Launch canceled!

抱歉，但我是初学者，你可以告诉更多信息。抱歉英语不好。