diff --git a/backup-daemon/customizedatabackupproxy.cpp b/backup-daemon/customizedatabackupproxy.cpp
old mode 100644
new mode 100755
index ec9013f..3fffb6c
--- a/backup-daemon/customizedatabackupproxy.cpp
+++ b/backup-daemon/customizedatabackupproxy.cpp
@@ -89,6 +89,8 @@ void CustomizeDataBackupProxy::doWorkEx()
  */
 void CustomizeDataBackupProxy::cancelEx()
 {
+    qDebug() << "CustomizeDataBackupProxy::cancelEx invoke begin";
+
     m_bCancel = true;
     if (!m_isFinished) {
         emit this->checkResult(int(BackupResult::START_CANCEL));
@@ -103,6 +105,8 @@ void CustomizeDataBackupProxy::cancelEx()
         deleteFailedData();
         emit this->checkResult(int(BackupResult::CANCEL_SUCCESS));
     }
+
+    qDebug() << "CustomizeDataBackupProxy::cancelEx invoke end";
 }
 
 /**
diff --git a/backup-daemon/customizedatabackupproxy.h b/backup-daemon/customizedatabackupproxy.h
old mode 100644
new mode 100755
diff --git a/backup-daemon/customizeghostImageproxy.cpp b/backup-daemon/customizeghostImageproxy.cpp
old mode 100644
new mode 100755
index 5c0f2ac..1ef0882
--- a/backup-daemon/customizeghostImageproxy.cpp
+++ b/backup-daemon/customizeghostImageproxy.cpp
@@ -36,6 +36,8 @@ CustomizeGhostImageProxy::~CustomizeGhostImageProxy()
  */
 bool CustomizeGhostImageProxy::checkEnvEx()
 {
+    qDebug() << "CustomizeGhostImageProxy::checkEnvEx invoke begin";
+
     // 1、检查/backup分区是否挂载上(不管是本地磁盘还是u盘设备，都得保证/backup挂载上); 若没挂载，挂载
     MyMountProxy mountProxy;
     MountResult result = mountProxy.mountBackupPartition();
@@ -94,6 +96,8 @@ bool CustomizeGhostImageProxy::checkEnvEx()
     }
 
     emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
+
+    qDebug() << "CustomizeGhostImageProxy::checkEnvEx invoke end";
     return true;
 }
 
@@ -102,10 +106,14 @@ bool CustomizeGhostImageProxy::checkEnvEx()
  */
 void CustomizeGhostImageProxy::doWorkEx()
 {
+    qDebug() << "CustomizeGhostImageProxy::doWorkEx invoke begin";
+
     if (!checkEnvEx())
         return ;
 
     doGhostImage();
+
+    qDebug() << "CustomizeGhostImageProxy::doWorkEx invoke end";
 }
 
 /**
@@ -113,6 +121,8 @@ void CustomizeGhostImageProxy::doWorkEx()
  */
 void CustomizeGhostImageProxy::cancelEx()
 {
+    qDebug() << "CustomizeGhostImageProxy::cancelEx invoke begin";
+
     m_bCancel = true;
     if (!m_isFinished) {
         emit this->checkResult(int(BackupResult::START_CANCEL));
@@ -125,6 +135,8 @@ void CustomizeGhostImageProxy::cancelEx()
         deleteFailedData();
         emit this->checkResult(int(BackupResult::CANCEL_SUCCESS));
     }
+
+    qDebug() << "CustomizeGhostImageProxy::cancelEx invoke end";
 }
 
 /**
@@ -150,6 +162,8 @@ void CustomizeGhostImageProxy::deleteFailedData()
  */
 void CustomizeGhostImageProxy::doGhostImage()
 {
+    qDebug() << "CustomizeGhostImageProxy::doGhostImage invoke begin";
+
     // 同步到U盘
     m_p = new RsyncPathToDirProcess(this);
     connect(m_p, &RsyncPathToDirProcess::progress, this, &CustomizeGhostImageProxy::progress);
@@ -188,6 +202,8 @@ void CustomizeGhostImageProxy::doGhostImage()
 
     QTimer::singleShot(1*1000, this, &CustomizeGhostImageProxy::checkDestDirExists);
     m_p->start(arguments, false);
+
+    qDebug() << "CustomizeGhostImageProxy::doGhostImage invoke end";
 }
 
 /**
diff --git a/backup-daemon/customizeghostImageproxy.h b/backup-daemon/customizeghostImageproxy.h
old mode 100644
new mode 100755
diff --git a/backup-daemon/customizesystembackupproxy.cpp b/backup-daemon/customizesystembackupproxy.cpp
old mode 100644
new mode 100755
diff --git a/backup-daemon/customizesystembackupproxy.h b/backup-daemon/customizesystembackupproxy.h
old mode 100644
new mode 100755
diff --git a/backup-daemon/customizesystemrestoreproxy.cpp b/backup-daemon/customizesystemrestoreproxy.cpp
old mode 100644
new mode 100755
index 9dd3eef..3ab22a1
--- a/backup-daemon/customizesystemrestoreproxy.cpp
+++ b/backup-daemon/customizesystemrestoreproxy.cpp
@@ -262,6 +262,8 @@ QStringList CustomizeSystemRestoreProxy::getRsyncArgs(CustomizeSystemRestoreScen
  */
 void CustomizeSystemRestoreProxy::restoreSystem()
 {
+    qDebug() << "CustomizeSystemRestoreProxy::restoreSystem invoke begin";
+
     // 还原前准备
     doPrepare();
 
@@ -311,5 +313,7 @@ void CustomizeSystemRestoreProxy::restoreSystem()
     });
 
     m_p->start(args, false);
+
+    qDebug() << "CustomizeSystemRestoreProxy::restoreSystem invoke end";
 }
 
diff --git a/backup-daemon/customizesystemrestoreproxy.h b/backup-daemon/customizesystemrestoreproxy.h
old mode 100644
new mode 100755
diff --git a/backup-daemon/deletebackupproxy.cpp b/backup-daemon/deletebackupproxy.cpp
index 4b6350d..44ed656 100755
--- a/backup-daemon/deletebackupproxy.cpp
+++ b/backup-daemon/deletebackupproxy.cpp
@@ -14,6 +14,8 @@ DeleteBackupProxy::~DeleteBackupProxy()
 
 void DeleteBackupProxy::doWorkEx()
 {
+    qDebug() << "DeleteBackupProxy::doWorkEx invoke begin";
+
     // 1、删除/backup/snapshots/backuplist.xml对应项
     if (!deleteXmlBackupPoint())
         return;
@@ -26,6 +28,8 @@ void DeleteBackupProxy::doWorkEx()
 
     // 删除成功信号
     emit workResult(true);
+
+    qDebug() << "DeleteBackupProxy::doWorkEx invoke end";
 }
 
 /**
@@ -33,6 +37,8 @@ void DeleteBackupProxy::doWorkEx()
  */
 bool DeleteBackupProxy::deleteXmlBackupPoint()
 {
+    qDebug() << "DeleteBackupProxy::deleteXmlBackupPoint invoke begin";
+
     QString xmlPath;
     if (m_backupWrapper.m_iPosition == BackupPosition::LOCAL || m_backupWrapper.m_iPosition == BackupPosition::CUSTOMIZE)
         xmlPath = Utils::getSysRootPath() + BACKUP_XML_PATH;
@@ -51,6 +57,7 @@ bool DeleteBackupProxy::deleteXmlBackupPoint()
         return false;
     }
 
+    qDebug() << "DeleteBackupProxy::deleteXmlBackupPoint invoke end";
     return true;
 }
 
@@ -59,6 +66,8 @@ bool DeleteBackupProxy::deleteXmlBackupPoint()
  */
 void DeleteBackupProxy::deleteBackupPointDir()
 {
+    qDebug() << "DeleteBackupProxy::deleteBackupPointDir invoke begin";
+
     QString uuidPath;
     if (m_backupPoint.m_iPosition == BackupPosition::LOCAL)
         uuidPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid;
@@ -81,5 +90,7 @@ void DeleteBackupProxy::deleteBackupPointDir()
     } else {
         Utils::writeBackupLog(time + "," + m_backupWrapper.m_uuid + "," + QString::number(m_backupWrapper.m_type) + ",,,," + m_backupPoint.m_backupName);
     }
+
+    qDebug() << "DeleteBackupProxy::deleteBackupPointDir invoke end";
 }
 
diff --git a/backup-daemon/ghostimageproxy.cpp b/backup-daemon/ghostimageproxy.cpp
index d664713..505a030 100755
--- a/backup-daemon/ghostimageproxy.cpp
+++ b/backup-daemon/ghostimageproxy.cpp
@@ -32,6 +32,8 @@ GhostImageProxy::~GhostImageProxy()
  */
 bool GhostImageProxy::checkEnvEx()
 {
+    qDebug() << "GhostImageProxy::checkEnvEx invoke begin";
+
     // 1、检查/backup分区是否挂载上(不管是本地磁盘还是u盘设备，都得保证/backup挂载上); 若没挂载，挂载
     MyMountProxy mountProxy;
     if ( MountResult::MOUNTED != mountProxy.mountBackupPartition() ) {
@@ -76,6 +78,8 @@ bool GhostImageProxy::checkEnvEx()
     }
 
     emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
+
+    qDebug() << "GhostImageProxy::checkEnvEx invoke end";
     return true;
 }
 
@@ -84,10 +88,14 @@ bool GhostImageProxy::checkEnvEx()
  */
 void GhostImageProxy::doWorkEx()
 {
+    qDebug() << "GhostImageProxy::doWorkEx invoke begin";
+
     if (!checkEnvEx())
         return ;
 
     doGhostImage();
+
+    qDebug() << "GhostImageProxy::doWorkEx invoke end";
 }
 
 /**
@@ -95,6 +103,8 @@ void GhostImageProxy::doWorkEx()
  */
 void GhostImageProxy::cancelEx()
 {
+    qDebug() << "GhostImageProxy::cancelEx invoke begin";
+
     m_bCancel = true;
     if (!m_isFinished) {
         emit this->checkResult(int(BackupResult::START_CANCEL));
@@ -107,6 +117,8 @@ void GhostImageProxy::cancelEx()
         deleteFailedData();
         emit this->checkResult(int(BackupResult::CANCEL_SUCCESS));
     }
+
+    qDebug() << "GhostImageProxy::cancelEx invoke end";
 }
 
 /**
@@ -127,6 +139,8 @@ void GhostImageProxy::deleteFailedData()
  */
 void GhostImageProxy::doGhostImage()
 {
+    qDebug() << "GhostImageProxy::doGhostImage invoke begin";
+
     QStringList args;
     // 拼接备份源路径和目标路径
     QString srcPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/data";
@@ -137,6 +151,8 @@ void GhostImageProxy::doGhostImage()
     m_mksquashfs = new MkSquashFSProcess(this);
     connect(m_mksquashfs, &MkSquashFSProcess::progress, this, &GhostImageProxy::progress);
     connect(m_mksquashfs, &MkSquashFSProcess::finished, this,  [&](bool result) {
+        qDebug() << "GhostImageProxy::finished invoke begin";
+
         // 如果是取消了操作，则不再发送其它信息
         if (m_bCancel)
             return ;
@@ -154,8 +170,12 @@ void GhostImageProxy::doGhostImage()
             m_bSuccess = true;
         }
         emit this->workResult(result);
+
+        qDebug() << "GhostImageProxy::finished invoke end";
     });
     m_bSuccess = false;
     m_mksquashfs->start(args);
+
+    qDebug() << "GhostImageProxy::doGhostImage invoke end";
 }
 
diff --git a/backup-daemon/udiskdatarestoreproxy.cpp b/backup-daemon/udiskdatarestoreproxy.cpp
index 5b2ef2e..fa4af59 100755
--- a/backup-daemon/udiskdatarestoreproxy.cpp
+++ b/backup-daemon/udiskdatarestoreproxy.cpp
@@ -126,6 +126,8 @@ QStringList UDiskDataRestoreProxy::getRsyncArgs(DataRestoreScene scene)
  */
 void UDiskDataRestoreProxy::restoreData()
 {
+    qDebug() << "UDiskDataRestoreProxy::restoreData invoke begin";
+
     QStringList args = getRsyncArgs(DataRestoreScene::DATA_RESTORE);
 
     m_srcPath = m_backupPath;
@@ -151,6 +153,8 @@ void UDiskDataRestoreProxy::restoreData()
     m_isFinished = false;
     m_bSuccess = false;
     m_p->start(args, false);
+
+    qDebug() << "UDiskDataRestoreProxy::restoreData invoke end";
 }
 
 /**
diff --git a/backup-daemon/udiskghostImageproxy.cpp b/backup-daemon/udiskghostImageproxy.cpp
index 7e98d6e..60db1ec 100755
--- a/backup-daemon/udiskghostImageproxy.cpp
+++ b/backup-daemon/udiskghostImageproxy.cpp
@@ -38,6 +38,8 @@ UDiskGhostImageProxy::~UDiskGhostImageProxy()
  */
 bool UDiskGhostImageProxy::checkEnvEx()
 {
+    qDebug() << "UDiskGhostImageProxy::checkEnvEx invoke begin";
+
     // 1、检查/backup分区是否挂载上(不管是本地磁盘还是u盘设备，都得保证/backup挂载上); 若没挂载，挂载
     MyMountProxy mountProxy;
     if ( MountResult::MOUNTED != mountProxy.mountBackupPartition() ) {
@@ -103,7 +105,7 @@ bool UDiskGhostImageProxy::checkEnvEx()
     for (QHash<QString, qint64>::const_iterator it = hash.constBegin(); it != hash.constEnd(); ++it) {
         QString path = it.key();
         qint64 leftSize = it.value();
-        if (itotalSize < leftSize / 2) {
+        if (leftSize > itotalSize / 2) {
             Utils::mkpath(path + GHOST_PATH);
             m_kyimg = path + GHOST_PATH + "/" + m_backupWrapper.m_backupName;
             m_kyimg.replace("//", "/");
@@ -121,6 +123,8 @@ bool UDiskGhostImageProxy::checkEnvEx()
     }
 
     emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
+
+    qDebug() << "UDiskGhostImageProxy::checkEnvEx invoke end";
     return true;
 }
 
@@ -129,10 +133,14 @@ bool UDiskGhostImageProxy::checkEnvEx()
  */
 void UDiskGhostImageProxy::doWorkEx()
 {
+    qDebug() << "UDiskGhostImageProxy::doWorkEx invoke begin";
+
     if (!checkEnvEx())
         return ;
 
     doGhostImage();
+
+    qDebug() << "UDiskGhostImageProxy::doWorkEx invoke end";
 }
 
 /**
@@ -181,6 +189,8 @@ void UDiskGhostImageProxy::deleteFailedData()
  */
 void UDiskGhostImageProxy::doGhostImage()
 {
+    qDebug() << "UDiskGhostImageProxy::doGhostImage invoke begin";
+
     QStringList args;
     // 拼接备份源路径和目标路径
     QString srcPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/data";
@@ -191,6 +201,8 @@ void UDiskGhostImageProxy::doGhostImage()
     m_mksquashfs = new MkSquashFSProcess(this);
     connect(m_mksquashfs, &MkSquashFSProcess::progress, this, &UDiskGhostImageProxy::progress);
     connect(m_mksquashfs, &MkSquashFSProcess::finished, this,  [&](bool result) {
+        qDebug() << "UDiskGhostImageProxy::finished invoke begin";
+
         // 如果是取消了操作，则不再发送其它信息
         if (m_bCancel)
             return ;
@@ -238,12 +250,15 @@ void UDiskGhostImageProxy::doGhostImage()
             emit this->workResult(false);
         }
 
+        qDebug() << "UDiskGhostImageProxy::finished invoke end";
     });
     m_bSuccess = false;
     m_isFinished = false;
     m_mksquashfs->start(args);
     emit checkResult(int(BackupResult::GHOST_START_SUCCESS));
     QTimer::singleShot(1*1000, this, &UDiskGhostImageProxy::checkDestDirExists);
+
+    qDebug() << "UDiskGhostImageProxy::doGhostImage invoke end";
 }
 
 /**
diff --git a/backup-daemon/udisksystemrestoreproxy.cpp b/backup-daemon/udisksystemrestoreproxy.cpp
index 62d7e08..c5c7717 100755
--- a/backup-daemon/udisksystemrestoreproxy.cpp
+++ b/backup-daemon/udisksystemrestoreproxy.cpp
@@ -333,6 +333,8 @@ QStringList UDiskSystemRestoreProxy::getRsyncArgs(SystemRestoreScene scene)
  */
 bool UDiskSystemRestoreProxy::doPrepare()
 {
+    qDebug() << "UDiskSystemRestoreProxy::doPrepare invoke begin";
+
     // 移动设备系统备份如果有img，则需要先将img挂载到/backup/imgbackup目录
     QString imgPath = m_backupPath + "/" + UDISK_MKSQUASHFS_IMG_NAME;
     if (Utils::filsExists(imgPath)) {
@@ -358,6 +360,7 @@ bool UDiskSystemRestoreProxy::doPrepare()
     // 以读写方式重新挂载boot分区，因为有的机器默认以只读挂载
     remountBoot();
 
+    qDebug() << "UDiskSystemRestoreProxy::doPrepare invoke end";
     return true;
 }
 
@@ -366,6 +369,8 @@ bool UDiskSystemRestoreProxy::doPrepare()
  */
 void UDiskSystemRestoreProxy::restoreSystem()
 {
+    qDebug() << "UDiskSystemRestoreProxy::restoreSystem invoke begin";
+
     // 理论上开始不会走下面这个U盘拔出的校验
     if (m_isForce) {
         qCritical("U盘已拔出");
@@ -437,6 +442,8 @@ void UDiskSystemRestoreProxy::restoreSystem()
     QTimer::singleShot(1*1000, this, &UDiskSystemRestoreProxy::checkUdiskExists);
     m_isFinished = false;
     m_p->start(args, false);
+
+    qDebug() << "UDiskSystemRestoreProxy::restoreSystem invoke end";
 }
 
 /**
diff --git a/kybackup/module/ghostimage.cpp b/kybackup/module/ghostimage.cpp
index 41947eb..7cc7a18 100755
--- a/kybackup/module/ghostimage.cpp
+++ b/kybackup/module/ghostimage.cpp
@@ -548,6 +548,11 @@ void GhostImage::on_checkEnv_start()
     backupWrapper.m_uuid = m_uuid;
     backupWrapper.m_type = BackupType::GHOST_IMAGE;
     backupWrapper.m_backupName = createGhostImageName(m_backupName);
+    QString prePath = Utils::getSysRootPath() + "/media";
+    prePath = prePath.replace("//", "/");
+    if (m_iPosition != BackupPosition::CUSTOMIZE && m_prefixDestPath.startsWith(prePath)) {
+        backupWrapper.m_iPosition = BackupPosition::UDISK;
+    }
     backupWrapper.m_iPosition = m_iPosition;
     backupWrapper.m_prefixDestPath = m_prefixDestPath;
     backupWrapper.m_frontUid = getuid();