命令行启动 dde-file-manager 然后执行勾选共享，看看终端报什么错，是不是samba服务的问题

勾选“共享文件夹”，鼠标按下时选框蓝色，放起鼠标恢复原样
运行dde-file-manager显示如下
(dde-file-manager:2589): Gtk-WARNING **: 无法在模块路径中找到主题引擎：“adwaita”，

(dde-file-manager:2589): Gtk-WARNING **: 无法在模块路径中找到主题引擎：“adwaita”，
load translate "/usr/share/dtkwidget/translations/dtkwidget2_zh_CN"
load translate "/usr/share/dde-file-manager/translations/dde-file-manager_zh_CN"
load translate "/usr/share/dde-file-manager/translations/dde-file-manager-app_zh_CN"
2018-06-07, 18:42:20.506 [Debug  ] [qsettingbackend.cpp  Dtk::Core:SettingBackend:SettingBackend 44] create config "/home/zeng/.config/deepin/dde-file-manager/dde-file-manager.conf"
2018-06-07, 18:42:20.507 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           73] "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins"
2018-06-07, 18:42:20.507 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/menu"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/view"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/preview"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           112] menu plugin size: 0
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           113] expand info size: 0
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           114] view size: 0
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           73] "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/menu"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/view"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           77] load plugin in:  "/usr/lib/x86_64-linux-gnu/dde-file-manager/plugins/preview"
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           112] menu plugin size: 0
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           113] expand info size: 0
2018-06-07, 18:42:20.508 [Debug  ] [pluginmanager.cpp    PluginManager::loadPlugin           114] view size: 0
2018-06-07, 18:42:20.509 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 904] Could not read source file  "/home/zeng/.cache/dde-file-manager/searchhistory.json" : "No such file or directory"
2018-06-07, 18:42:20.509 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 908] Failed to migrate config file from cache
2018-06-07, 18:42:20.509 [Debug  ] [searchhistroymanager.cpp SearchHistroyManager::load          63] Couldn't open search data file!
2018-06-07, 18:42:20.509 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 904] Could not read source file  "/home/zeng/.cache/dde-file-manager/bookmark.json" : "No such file or directory"
2018-06-07, 18:42:20.509 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 908] Failed to migrate config file from cache
2018-06-07, 18:42:20.509 [Debug  ] [bookmarkmanager.cpp  BookMarkManager::load               79] Couldn't open bookmark file!
2018-06-07, 18:42:20.571 [Debug  ] [networkmanager.cpp   NetworkManager::NetworkManager      102] Create NetworkManager
2018-06-07, 18:42:20.571 [Debug  ] [gvfsmountclient.cpp  GvfsMountClient::GvfsMountClient    48] Create GvfsMountClient
2018-06-07, 18:42:20.571 [Debug  ] [secretmanager.cpp    SecretManager::SecretManager        41] Create SecretManager
2018-06-07, 18:42:20.572 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 904] Could not read source file  "/home/zeng/.cache/dde-file-manager/samba.json" : "No such file or directory"
2018-06-07, 18:42:20.572 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 908] Failed to migrate config file from cache
2018-06-07, 18:42:20.572 [Debug  ] [secretmanager.cpp    SecretManager::loadCache            162] Couldn't write samba file!
DFileSystemWatcherPrivate::addPaths: inotify_add_watch failed: 没有那个文件或目录
2018-06-07, 18:42:20.572 [Warning] [dfilewatcher.cpp     DFileWatcherPrivate::start          88] virtual bool DFileWatcherPrivate::start() start watch failed, file path = "/var/lib/samba/usershares"
2018-06-07, 18:42:20.575 [Debug  ] [appcontroller.cpp    AppController::createDBusInterface::lambda 913] com.deepin.SessionManager : StartManager doesn't have LaunchApp interface
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: 没有那个文件或目录
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: 没有那个文件或目录
QInotifyFileSystemWatcherEngine::addPaths: inotify_add_watch failed: 没有那个文件或目录
2018-06-07, 18:42:20.579 [Debug  ] [fileutils.cpp        FileUtils::migrateConfigFileFromCache 904] Could not
下面略.....

右键“共享文件夹”，显示如下
2018-06-07, 18:46:28.586 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::loadNormalPluginMenu 440] load normal plugin menu
2018-06-07, 18:46:28.586 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::loadNormalExtensionMenu 464] load normal extension menu
2018-06-07, 18:46:28.586 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::loadMenuExtemsionActions 525] "/home/zeng/.config/deepin/dde-file-manager/menuextensions"
2018-06-07, 18:46:28.587 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::loadMenuExtemsionActions 529] "/home/zeng/.config/deepin/dde-file-manager/menuextensions" "/home/zeng/.config/deepin/dde-file-manager/menuextensions"
2018-06-07, 18:46:30.729 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::actionTriggered   987] QAction(0x558f4520a9d0 text="共享文件夹" toolTip="共享文件夹" menuRole=TextHeuristicRole visible=true) true
2018-06-07, 18:46:30.730 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::actionTriggered   1010] QAction(0x558f4520a9d0 text="共享文件夹" toolTip="共享文件夹" menuRole=TextHeuristicRole visible=true) QAction(0x558f4520a9d0 text="共享文件夹" toolTip="共享文件夹" menuRole=TextHeuristicRole visible=true)
2018-06-07, 18:46:30.730 [Debug  ] [dfilemenumanager.cpp DFileMenuManager::actionTriggered   1012] "共享文件夹" "共享文件夹"
2018-06-07, 18:46:30.746 [Debug  ] [propertydialog.cpp   NameTextEdit::NameTextEdit::lambda  102] 0    5   5
2018-06-07, 18:46:30.747 [Debug  ] [propertydialog.cpp   NameTextEdit::NameTextEdit::lambda  102] 0    5   5
2018-06-07, 18:46:30.747 [Debug  ] [propertydialog.cpp   NameTextEdit::NameTextEdit::lambda  102] 0    5   5
2018-06-07, 18:46:30.834 [Warning] [                                                         0] QXcbConnection: XCB error: 151 (Unknown), sequence: 1979, resource id: 111149112, major code: 143 (Unknown), minor code: 2

勾选“共享文件夹”显示如下
2018-06-07, 18:48:06.536 [Debug  ] [usersharemanager.cpp UserShareManager::addUserShare      415] {shareName:"",path:"",comment:"\"\"",usershare_acl:"Everyone:r",guest_ok:"guest_ok=n",}{shareName:"share",path:"/media/zeng/文档/share",comment:"\"\"",usershare_acl:"Everyone:f",guest_ok:"guest_ok=n",}
2018-06-07, 18:48:06.543 [Warning] [usersharemanager.cpp UserShareManager::addUserShare      449] ""

原来要用”以管理员身份打开“打开文件夹