diff --git a/ukui-search-service-dir-manager/dirwatcher/config.cpp b/ukui-search-service-dir-manager/dirwatcher/config.cpp
new file mode 100644
index 0000000..61e6a8d
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/config.cpp
@@ -0,0 +1,95 @@
+#include "config.h"
+#include <QDir>
+#include <QUrl>
+#include <mutex>
+
+static const QString HOME_PATH = QDir::homePath();
+static const QString CURRENT_INDEXABLE_DIR_SETTINGS = HOME_PATH + "/.config/org.ukui/ukui-search/ukui-search-current-indexable-dir.conf";
+static const QString INDEXABLE_DIR_KEY = "IndexableDir"; //兼容历史版本
+static const QString CONFIG_VERSION_KEY = "ConfigVersion";
+static const QString CONFIG_VERSION = "1.0";
+static const QString GLOBAL_BLACK_LIST_KEY = "GlobalBlackList";
+static const QStringList GLOBAL_BLACK_LIST{"/proc", "/sys", "/dev", "/tmp", "/run"};
+
+static std::once_flag flag;
+static Config *global_intance = nullptr;
+Config *Config::self()
+{
+    std::call_once(flag, [ & ] {
+        global_intance = new Config();
+    });
+    return global_intance;
+}
+
+void Config::addDir(const SearchDir &dir)
+{
+    m_settings->setValue(dir.getPath(), dir.getBlackList());
+    m_settings->sync();
+}
+
+QStringList Config::removeDir(const SearchDir &dir)
+{
+    QString url = QUrl::fromLocalFile(dir.getPath()).toString();
+    QStringList blackDirs = m_settings->value(url).toStringList();
+    m_settings->remove(url);
+    m_settings->sync();
+    return blackDirs;
+}
+
+bool Config::isCompatibilityMode()
+{
+    return m_compatibilityMode;
+}
+
+QStringList Config::searchDirs() const
+{
+    QStringList tmp;
+    for(const SearchDir& dir : m_searchDirs) {
+        tmp.append(dir.getPath());
+    }
+    return tmp;
+}
+
+QStringList Config::blackDirs() const
+{
+    QStringList tmp;
+    for(const SearchDir& dir : m_searchDirs) {
+        tmp.append(dir.getBlackList());
+    }
+    return tmp;
+}
+
+QStringList Config::globalBlackList() const
+{
+    return m_settings->value(GLOBAL_BLACK_LIST_KEY).toStringList();
+}
+
+QVector<SearchDir> Config::searchDirObjects() const
+{
+    return m_searchDirs;
+}
+
+Config::Config()
+{
+    m_settings = new QSettings(CURRENT_INDEXABLE_DIR_SETTINGS, QSettings::IniFormat);
+    if(!(m_settings->value(CONFIG_VERSION_KEY).toString() == CONFIG_VERSION)) {
+        m_compatibilityMode = true;
+        for(const QString& path : m_settings->value(INDEXABLE_DIR_KEY).toStringList()) {
+            SearchDir dir(QUrl::fromLocalFile(path).toString());
+            m_searchDirs.append(dir);
+            m_settings->setValue(QUrl::fromLocalFile(path).toString(), dir.getBlackList());
+        }
+        m_settings->remove(INDEXABLE_DIR_KEY);
+        m_settings->setValue(CONFIG_VERSION_KEY, CONFIG_VERSION);
+    } else {
+        for(const QString& urlStr : m_settings->allKeys()) {
+            SearchDir dir(QUrl(urlStr).toString(), false);
+            dir.setBlackList(m_settings->value(urlStr).toStringList());
+            m_searchDirs.append(dir);
+        }
+    }
+    if(m_settings->value(GLOBAL_BLACK_LIST_KEY).isNull()) {
+        m_settings->setValue(GLOBAL_BLACK_LIST_KEY, GLOBAL_BLACK_LIST);
+    }
+    m_settings->sync();
+}
diff --git a/ukui-search-service-dir-manager/dirwatcher/config.h b/ukui-search-service-dir-manager/dirwatcher/config.h
new file mode 100644
index 0000000..97979c8
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/config.h
@@ -0,0 +1,31 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+#include <QString>
+#include <QSettings>
+#include <QVector>
+#include "search-dir.h"
+
+class Config
+{
+public:
+    static Config *self();
+    void addDir(const SearchDir& dir);
+    QStringList removeDir(const SearchDir& dir);
+    /**
+     * @brief 兼容模式，自动提取老版本数据生成黑名单
+     * @return
+     */
+    bool isCompatibilityMode();
+    QVector<SearchDir> searchDirObjects() const;
+    QStringList searchDirs() const;
+    QStringList blackDirs() const;
+    QStringList globalBlackList() const;
+
+private:
+    Config();
+    QSettings *m_settings = nullptr;
+    bool m_compatibilityMode = false;
+    QVector<SearchDir> m_searchDirs;
+};
+
+#endif // CONFIG_H
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri
index 6d49f2a..55746b2 100644
--- a/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher-dbus.pri
@@ -1,11 +1,15 @@
 INCLUDEPATH += $$PWD
 
 HEADERS += \
+    $$PWD/config.h \
     $$PWD/dir-watcher-adaptor.h \
     $$PWD/dir-watcher.h \
+    $$PWD/search-dir.h \
     $$PWD/volume-manager.h
 
 SOURCES += \
+    $$PWD/config.cpp \
     $$PWD/dir-watcher-adaptor.cpp \
     $$PWD/dir-watcher.cpp \
+    $$PWD/search-dir.cpp \
     $$PWD/volume-manager.cpp
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp
index 637e0da..9054740 100644
--- a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.cpp
@@ -7,6 +7,7 @@
 #include <QThread>
 #include <fstab.h>
 #include <QMutexLocker>
+#include "config.h"
 
 #define CURRENT_INDEXABLE_DIR_SETTINGS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-current-indexable-dir.conf"
 #define INDEXABLE_DIR_VALUE "IndexableDir"
@@ -526,6 +527,30 @@ bool DirWatcher::removeIndexableListItem(const QString &path)
     return res;
 }
 
+int DirWatcher::appendSearchDir(const QString &path)
+{
+    SearchDir dir(path);
+    Config::self()->addDir(dir);
+    return 0;
+}
+
+void DirWatcher::removeSearchDir(const QString &path)
+{
+    SearchDir dir(path, false);
+    Config::self()->removeDir(dir);
+    return;
+}
+
+QStringList DirWatcher::currentSearchDirs()
+{
+    return Config::self()->searchDirs();
+}
+
+QStringList DirWatcher::currentBlackList()
+{
+    return Config::self()->blackDirs();
+}
+
 void DirWatcher::initData()
 {
     //适配需求，可索引目录为用户指定。
diff --git a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h
index 2e12f09..992ff59 100644
--- a/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h
+++ b/ukui-search-service-dir-manager/dirwatcher/dir-watcher.h
@@ -63,6 +63,14 @@ public Q_SLOTS:
     Q_SCRIPTABLE int appendIndexableListItem(const QString &path);
     Q_SCRIPTABLE bool removeIndexableListItem(const QString &path);
 
+    //新接口
+    int appendSearchDir(const QString &path);
+    void removeSearchDir(const QString &path);
+
+    QStringList currentSearchDirs();
+    QStringList currentBlackList();
+
+
 private:
     DirWatcher(QObject *parent = nullptr);
     ~DirWatcher();
diff --git a/ukui-search-service-dir-manager/dirwatcher/search-dir.cpp b/ukui-search-service-dir-manager/dirwatcher/search-dir.cpp
new file mode 100644
index 0000000..45e97b1
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/search-dir.cpp
@@ -0,0 +1,47 @@
+#include "search-dir.h"
+
+SearchDir::SearchDir(const QString &path, bool generateBlackList)
+{
+    m_path = path;
+    if(generateBlackList) {
+        //根据VulumeManager和Congig的数据计算黑名单here
+    }
+}
+
+SearchDir::ErrorInfo SearchDir::error()
+{
+    return m_error;
+}
+
+QString SearchDir::errorString()
+{
+    switch (m_error) {
+    case ErrorInfo::Successful:
+        return "";
+    case ErrorInfo::Duplicated:
+        return "";
+    case ErrorInfo::UnderBlackList:
+        return "";
+    case ErrorInfo::RepeatMount1:
+        return "";
+    case ErrorInfo::RepeatMount2:
+        return "";
+    case ErrorInfo::NotExists:
+        return "";
+    }
+}
+
+QString SearchDir::getPath() const
+{
+    return m_path;
+}
+
+void SearchDir::setBlackList(const QStringList &blackList)
+{
+    m_blackList = blackList;
+}
+
+QStringList SearchDir::getBlackList() const
+{
+    return m_blackList;
+}
diff --git a/ukui-search-service-dir-manager/dirwatcher/search-dir.h b/ukui-search-service-dir-manager/dirwatcher/search-dir.h
new file mode 100644
index 0000000..e6a9ce2
--- /dev/null
+++ b/ukui-search-service-dir-manager/dirwatcher/search-dir.h
@@ -0,0 +1,27 @@
+#ifndef SEARCHDIR_H
+#define SEARCHDIR_H
+#include <QStringList>
+class SearchDir
+{
+public:
+    enum ErrorInfo{
+        Successful = 0,
+        Duplicated,
+        UnderBlackList,
+        RepeatMount1,
+        RepeatMount2,
+        NotExists
+    };
+    SearchDir(const QString& path, bool generateBlackList = true);
+    ErrorInfo error();
+    QString errorString();
+    QString getPath() const;
+    void setBlackList(const QStringList& blackList);
+    QStringList getBlackList() const;
+private:
+    QString m_path;
+    QStringList m_blackList;
+    ErrorInfo m_error = ErrorInfo::Successful;
+};
+
+#endif // SEARCHDIR_H