diff --git a/frame/main.cpp b/frame/main.cpp
index 7da0341fe..5c119daf7 100644
--- a/frame/main.cpp
+++ b/frame/main.cpp
@@ -38,7 +38,6 @@
 #include "dbus/dbusdockadaptors.h"
 #include <string>
 
-//#include <sys/mman.h>
 #include <stdio.h>
 #include <time.h>
 #include <execinfo.h>
@@ -195,9 +194,6 @@ int main(int argc, char *argv[])
     signal(SIGABRT, sig_crash);
     signal(SIGFPE,  sig_crash);
 
-    // 锁定物理内存，用于国测测试[会显著增加内存占用]
-    //    qDebug() << "lock memory result:" << mlockall(MCL_CURRENT | MCL_FUTURE);
-
     app.setOrganizationName("deepin");
     app.setApplicationName("dde-dock");
     app.setApplicationDisplayName("DDE Dock");
diff --git a/frame/window/mainwindow.cpp b/frame/window/mainwindow.cpp
index 9a55d3527..576fdd4fb 100755
--- a/frame/window/mainwindow.cpp
+++ b/frame/window/mainwindow.cpp
@@ -131,14 +131,11 @@ MainWindow::~MainWindow()
 
 void MainWindow::launch()
 {
-    setVisible(false);
-    QTimer::singleShot(400, this, [&] {
-        m_launched = true;
-        qApp->processEvents();
-        setVisible(true);
-        m_multiScreenWorker->initShow();
-        m_shadowMaskOptimizeTimer->start();
-    });
+    m_launched = true;
+    qApp->processEvents();
+    setVisible(true);
+    m_multiScreenWorker->initShow();
+    m_shadowMaskOptimizeTimer->start();
 }
 
 void MainWindow::showEvent(QShowEvent *e)