diff --git a/src/fileloadthread.cpp b/src/fileloadthread.cpp
index bb1c22bd..2e912846 100644
--- a/src/fileloadthread.cpp
+++ b/src/fileloadthread.cpp
@@ -46,12 +46,6 @@ void FileLoadThread::run()
     if (file.open(QIODevice::ReadOnly)) {
         // reads all remaining data from the file.
         QByteArray fileContent = file.readAll();
-        // QByteArray detectArray = fileContent;
-
-        // if (fileContent.size() > 10000) {
-        //     // use fixed byte detection encoding.
-        //     detectArray.truncate(10000);
-        // }
 
         // read the encode.
         QByteArray encode = Utils::detectEncode(fileContent);
diff --git a/src/findbar.cpp b/src/findbar.cpp
index e190f611..346857a7 100644
--- a/src/findbar.cpp
+++ b/src/findbar.cpp
@@ -49,14 +49,6 @@ FindBar::FindBar(QWidget *parent)
     m_closeButton->setFixedSize(25, 25);
     m_layout->setContentsMargins(16, 4, 11, 4);
 
-//    QFont font;
-//    font.setFamily("SourceHanSansSC-Medium");
-//    font.setPixelSize(14);
-//    m_findLabel->setFont(font);
-//    m_editLine->lineEdit()->setFont(font);
-//    m_findPrevButton->setFont(font);
-//    m_findNextButton->setFont(font);
-
     m_layout->addWidget(m_findLabel);
     m_layout->addWidget(m_editLine);
     m_layout->addWidget(m_findPrevButton);
@@ -114,7 +106,6 @@ void FindBar::activeInput(QString text, QString file, int row, int column, int s
 void FindBar::findCancel()
 {
     QWidget::hide();
-    //add by guoshaoyu
     emit sigFindbarClose();
 }
 
diff --git a/src/resources/settings.json b/src/resources/settings.json
index 7349c2e7..5f810ee6 100644
--- a/src/resources/settings.json
+++ b/src/resources/settings.json
@@ -315,13 +315,13 @@
                             "key": "scrollup",
                             "name": "Page up",
                             "type": "shortcut",
-                            "default":  "PageUp"
+                            "default":  "PgUp"
                         },
                         {
                             "key": "scrolldown",
                             "name": "Page down",
                             "type": "shortcut",
-                            "default":  "PageDown"
+                            "default":  "PgDown"
                         },
                         {
                             "key": "movetoendofline",
@@ -749,13 +749,13 @@
                             "key": "scrollup",
                             "hide" : true,
                             "reset" : false,
-                            "default":  "PageUp"
+                            "default":  "PgUp"
                         },
                         {
                             "key": "scrolldown",
                             "hide" : true,
                             "reset" : false,
-                            "default":  "PageDown"
+                            "default":  "PgDown"
                         },
                         {
                             "key": "movetoendofline",
@@ -1665,13 +1665,13 @@
                             "key": "scrollup",
                             "hide" : true,
                             "reset" : false,
-                            "default":  "PageUp"
+                            "default":  "PgUp"
                         },
                         {
                             "key": "scrolldown",
                             "hide" : true,
                             "reset" : false,
-                            "default":  "PageDown"
+                            "default":  "PgDown"
                         },
                         {
                             "key": "movetoendofline",
diff --git a/src/window.cpp b/src/window.cpp
index 865858d5..cb43e96f 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -166,14 +166,14 @@ Window::Window(DMainWindow *parent)
     // Init findbar panel.
     DAnchors<FindBar> anchors_findbar(m_findBar);
     anchors_findbar.setAnchor(Qt::AnchorBottom, m_centralWidget, Qt::AnchorBottom);
-    anchors_findbar.setAnchor(Qt::AnchorHorizontalCenter, m_centralWidget, Qt::AnchorHorizontalCenter);
+    //anchors_findbar.setAnchor(Qt::AnchorHorizontalCenter, m_centralWidget, Qt::AnchorHorizontalCenter);
     anchors_findbar.setBottomMargin(5);
     m_findBar->raise();
 
     // Init replaceBar panel.
     DAnchors<ReplaceBar> anchors_replaceBar(m_replaceBar);
     anchors_replaceBar.setAnchor(Qt::AnchorBottom, m_centralWidget, Qt::AnchorBottom);
-    anchors_replaceBar.setAnchor(Qt::AnchorHorizontalCenter, m_centralWidget, Qt::AnchorHorizontalCenter);
+    //anchors_replaceBar.setAnchor(Qt::AnchorHorizontalCenter, m_centralWidget, Qt::AnchorHorizontalCenter);
     anchors_replaceBar.setBottomMargin(5);
     anchors_replaceBar->raise();