diff --git a/dde-file-manager-lib/themes/dark/DFileManagerWindow.theme b/dde-file-manager-lib/themes/dark/DFileManagerWindow.theme
index b327197..81697e4 100644
--- a/dde-file-manager-lib/themes/dark/DFileManagerWindow.theme
+++ b/dde-file-manager-lib/themes/dark/DFileManagerWindow.theme
@@ -19,6 +19,7 @@ QPushButton#LogoButton:press{
 }
 
 QFrame#CentralWidget{
+    background-position: right bottom;
     background-color: transparent;
     border-top: 1px insert rgba(255, 255, 255, 0.05);
 }
@@ -452,6 +453,7 @@ QPushButton#close:hover{
 
 QScrollArea#ComputerView{
     border: none;
+    background-color: transparent;
     /*background-color: white;*/
 }
 
diff --git a/dde-file-manager-lib/themes/dark/DFileViewRoot.theme b/dde-file-manager-lib/themes/dark/DFileViewRoot.theme
index f5b551e..66d8cdc 100644
--- a/dde-file-manager-lib/themes/dark/DFileViewRoot.theme
+++ b/dde-file-manager-lib/themes/dark/DFileViewRoot.theme
@@ -1,5 +1,6 @@
 QListView {
     background: #202020;
+    background-color: transparent;
     border: none;
 }
 
diff --git a/dde-file-manager-lib/themes/light/DFileManagerWindow.theme b/dde-file-manager-lib/themes/light/DFileManagerWindow.theme
index a4d42a1..fb68a0b 100644
--- a/dde-file-manager-lib/themes/light/DFileManagerWindow.theme
+++ b/dde-file-manager-lib/themes/light/DFileManagerWindow.theme
@@ -6,7 +6,6 @@ QMainWindow{
     background-color: white;
 }
 
-
 QPushButton#LogoButton{
    border: none;
    image: url(:/images/images/dde-file-manager.png);
@@ -19,6 +18,8 @@ QPushButton#LogoButton:press{
 }
 
 QFrame#CentralWidget{
+    background-position: right bottom;
+    background-color: transparent;
     border-top: 1px solid rgba(0, 0, 0, 0.1);
 }
 
@@ -487,7 +488,8 @@ QLineEdit#BookmarkLineEdit{
 
 QScrollArea#ComputerView{
     border: none;
-    background-color: white;
+    /*background-color: white;*/
+    background-color: transparent;
 }
 
 QScrollArea#ComputerView #TitleLabel {
diff --git a/dde-file-manager-lib/themes/light/DFileView.theme b/dde-file-manager-lib/themes/light/DFileView.theme
index 218ffe5..f2f8ba1 100644
--- a/dde-file-manager-lib/themes/light/DFileView.theme
+++ b/dde-file-manager-lib/themes/light/DFileView.theme
@@ -1,5 +1,6 @@
 QListView {
-    background: white;
+    /*background: white;*/
+    background: transparent;
     border: none;
 }
 
diff --git a/dde-file-manager-lib/views/dfilemanagerwindow.cpp b/dde-file-manager-lib/views/dfilemanagerwindow.cpp
index 2701bfb..f193a63 100644
--- a/dde-file-manager-lib/views/dfilemanagerwindow.cpp
+++ b/dde-file-manager-lib/views/dfilemanagerwindow.cpp
@@ -893,6 +893,8 @@ void DFileManagerWindow::initUI()
     initCentralWidget();
     initTitleBar();
     setCentralWidget(d->centralWidget);
+
+    refreshBackgroundPicture();
 }
 
 void DFileManagerWindow::initTitleFrame()
@@ -1197,6 +1199,14 @@ void DFileManagerWindow::setTheme(const QString &theme)
     }
 }
 
+void DFileManagerWindow::refreshBackgroundPicture()
+{
+    QString theme = DThemeManager::instance()->theme(this);
+    this->setStyleSheet(this->styleSheet() + " QFrame#CentralWidget{"
+                        "background: url(" + QDir::homePath() + "/.config/GXDE/dde-file-manager/background-" + theme + ".png) no-repeat;" +
+                        "background-position: right bottom;}");
+}
+
 void DFileManagerWindow::onThemeChanged()
 {
     QString theme = DThemeManager::instance()->theme(this);
@@ -1211,6 +1221,7 @@ void DFileManagerWindow::onThemeChanged()
     }
 
     WindowManager::instance()->saveWindowState(this);
+    refreshBackgroundPicture();
 }
 
 void DFileManagerWindow::showEvent(QShowEvent *event)
diff --git a/dde-file-manager-lib/views/dfilemanagerwindow.h b/dde-file-manager-lib/views/dfilemanagerwindow.h
index f8d530d..b1f68ed 100644
--- a/dde-file-manager-lib/views/dfilemanagerwindow.h
+++ b/dde-file-manager-lib/views/dfilemanagerwindow.h
@@ -181,6 +181,8 @@ public slots:
     QScopedPointer<DFileManagerWindowPrivate> d_ptr;
     Q_DECLARE_PRIVATE_D(qGetPtrHelper(d_ptr), DFileManagerWindow)
 
+    void refreshBackgroundPicture();
+
 public:
     static std::unique_ptr<RecordRenameBarState>  renameBarState;//###: record pattern of RenameBar and the string of QLineEdit's content.
     static std::atomic<bool> flagForNewWindowFromTab;           //###: open a new window form a already has tab, this will be true.
diff --git a/usb-device-formatter/translations/policy/policy.ts b/usb-device-formatter/translations/policy/policy.ts
index 88127fa..807d347 100644
--- a/usb-device-formatter/translations/policy/policy.ts
+++ b/usb-device-formatter/translations/policy/policy.ts
@@ -5,7 +5,7 @@
 		<name>policy</name>
 		<message>
 			<location filename="com.deepin.pkexec.usb-device-formatter!message" line="0" />
-			<source>Authentication is required to run the USB Device Formatter</source>
+			<source>Authentication is required to run the Device Formatter</source>
 			<translation type="unfinished" />
 		</message>
 	</context>