diff --git a/kybackup/module/databackup.cpp b/kybackup/module/databackup.cpp
index 10ef786..a0b9b6b 100755
--- a/kybackup/module/databackup.cpp
+++ b/kybackup/module/databackup.cpp
@@ -270,7 +270,6 @@ void DataBackup::initSecondWidget()
         if (GlobelBackupInfo::inst().hasBackupPartition()) {
             QString qsLocalDefaultPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH;
             qsLocalDefaultPath.replace("//", "/");
-            this->m_prefixDestPath = "";
             this->m_udiskPaths << "";
             comboSelect->addItem(iconFolder, tr("local default path : ") + qsLocalDefaultPath);
         }
@@ -1282,6 +1281,7 @@ void DataBackup::initFifthWidget()
         // 不要使用电脑，以防数据丢失
         labelTip->setDeplayText(tr("Do not use computer in case of data loss"));
         cancel->setEnabled(true);
+        Utils::wait(2);
 
         // 开始备份
         this->on_backup_start();
diff --git a/kybackup/module/datarestore.cpp b/kybackup/module/datarestore.cpp
index 3ee8aed..c12ffd5 100755
--- a/kybackup/module/datarestore.cpp
+++ b/kybackup/module/datarestore.cpp
@@ -630,6 +630,7 @@ void DataRestore::initThirdWidget()
     connect(this, &DataRestore::startRestore, this, [=] {
         progressBar->setPersent(0);
         movie->start();
+        Utils::wait(2);
 
         // 开始还原
         this->on_restore_start();
diff --git a/kybackup/module/ghostimage.cpp b/kybackup/module/ghostimage.cpp
index 9117fbd..2f385d0 100755
--- a/kybackup/module/ghostimage.cpp
+++ b/kybackup/module/ghostimage.cpp
@@ -211,7 +211,6 @@ void GhostImage::initSecondWidget()
         if (GlobelBackupInfo::inst().hasBackupPartition()) {
             QString qsLocalDefaultPath = Utils::getSysRootPath() + GHOST_PATH;
             qsLocalDefaultPath.replace("//", "/");
-            this->m_prefixDestPath = "";
             this->m_udiskPaths << "";
             comboSelect->addItem(iconFolder, tr("local default path : ") + qsLocalDefaultPath);
         }