diff --git a/DeviceConnection.cpp b/DeviceConnection.cpp
index ff0b450..f998f16 100644
--- a/DeviceConnection.cpp
+++ b/DeviceConnection.cpp
@@ -517,7 +517,11 @@ void DeviceConnection::requestReset() {
 void DeviceConnection::transferBinContent() {
     constexpr int SliceSize = 1024;
     constexpr int WaitMd5CheckTime = 3000; // ms
-    if (m_sendedSize >= m_uploadBuffer.size()) return;
+    if (m_sendedSize >= m_uploadBuffer.size()) {
+        LOG(warning) << "file size is wrong, sended size: " << m_sendedSize
+                     << "ota file size: " << m_uploadBuffer.size();
+        return;
+    }
 
     char buffer[1 + sizeof(int32_t) + 1024];
     int sendSize = SliceSize;
diff --git a/qml/Main.qml b/qml/Main.qml
index 196abe3..d26ba07 100644
--- a/qml/Main.qml
+++ b/qml/Main.qml
@@ -156,9 +156,9 @@ ApplicationWindow {
                     }
                     if (App.collector.path.length <= 0) {
                         showFolderDialog(folder => {
-                            App.collector.path = folder
-                            App.collector.start(App.devices.get(deviceList.currentIndex).ip)
-                        })
+                                             App.collector.path = folder
+                                             App.collector.start(App.devices.get(deviceList.currentIndex).ip)
+                                         })
                     } else {
                         App.collector.start(App.devices.get(
                                                 deviceList.currentIndex).ip)
@@ -190,8 +190,8 @@ ApplicationWindow {
                     showMessageDialog(2, "恢复出厂设置", "请先选择设备")
                     return
                 } else {
-                    showMessageDialog(2, "恢复出厂设置", "设备将会重启,重启后配置恢复默认",()=>{
-                        App.resetDevice();
+                    showMessageDialog(2, "恢复出厂设置", "设备将会重启,重启后配置恢复默认", () => {
+                        App.resetDevice()
                     })
                 }
             }
@@ -203,19 +203,19 @@ ApplicationWindow {
         id: messageBar
         root: window.contentItem
     }
-    function showSuccess(text,duration){
-        return messageBar.showSuccess(text,duration)
+    function showSuccess(text, duration) {
+        return messageBar.showSuccess(text, duration)
     }
 
     function showMessageDialog(type, title, message, callback) {
         let component = Qt.createComponent("MessageDialog.qml")
         if (component.status === Component.Ready) {
             let dialog = component.createObject(window, {
-                "type": type,
-                "titleText": title,
-                "text": message,
-                "callback": callback
-            })
+                                                    "type": type,
+                                                    "titleText": title,
+                                                    "text": message,
+                                                    "callback": callback
+                                                })
             dialog.open()
         }
     }
@@ -228,11 +228,14 @@ ApplicationWindow {
             dialog = Qt.createQmlObject("import QtQuick.Dialogs; FileDialog {}", window, "myDynamicSnippet")
         }
         if (dialog) {
-            dialog.nameFilters = nameFilters;
+            dialog.nameFilters = nameFilters
             dialog.visible = true
             dialog.accepted.connect(function () {
                 let fileUrl = isQt5 ? dialog.fileUrl.toString() : dialog.selectedFile.toString()
-                let localFilePath = fileUrl.startsWith("file:///") ? fileUrl.substring(8) : fileUrl
+                let localFilePath = fileUrl
+                if (fileUrl.startsWith("file:///")) {
+                    localFilePath = fileUrl.substring(Qt.platform.os === "windows" ? 8 : 7)
+                }
                 onSelected(localFilePath)
                 dialog.destroy()
             })
diff --git a/qml/OtaPopup.qml b/qml/OtaPopup.qml
index 2e1e106..148fde8 100644
--- a/qml/OtaPopup.qml
+++ b/qml/OtaPopup.qml
@@ -41,6 +41,7 @@ Popup {
                 Layout.fillWidth: true
                 readOnly: true
                 placeholderText: "请选择升级bin文件"
+                selectByMouse: true
             }
             Button {
                 enabled: otaFinished