diff --git a/frontend/main.cpp b/frontend/main.cpp
index ea41eb1..ebe1ffb 100644
--- a/frontend/main.cpp
+++ b/frontend/main.cpp
@@ -21,6 +21,7 @@
  *
  */
 
+#include <unistd.h>
 #include <syslog.h>
 #include <KWindowSystem>
 #include "ukui-search-gui.h"
diff --git a/frontend/view/web-search-view.cpp b/frontend/view/web-search-view.cpp
index 1bae643..fda384a 100644
--- a/frontend/view/web-search-view.cpp
+++ b/frontend/view/web-search-view.cpp
@@ -19,6 +19,7 @@
  *
  */
 #include <QDBusReply>
+#include <QDesktopServices>
 #include "web-search-view.h"
 #define MAIN_MARGINS 0,0,0,0
 #define MAIN_SPACING 0
diff --git a/libsearch/file-utils.cpp b/libsearch/file-utils.cpp
index 681f311..04b8dd9 100644
--- a/libsearch/file-utils.cpp
+++ b/libsearch/file-utils.cpp
@@ -28,14 +28,180 @@
 #include <QDomDocument>
 #include <QDBusInterface>
 #include <QDBusReply>
+#include <QDesktopServices>
+#include <QMimeDatabase>
+#include <QCryptographicHash>
+#include <QFileInfo>
+#include <QFile>
+#include <QApplication>
+#include <QDir>
+#include <QDebug>
+#include <QUrl>
+#include <QDomElement>
+#include <QClipboard>
+#include <QQueue>
+#include <QFontMetrics>
+#include <quazip5/quazipfile.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <quazip5/quazip.h>
+#include <uchardet/uchardet.h>
+#include <poppler/qt5/poppler-qt5.h>
 #include "gobject-template.h"
 #include "hanzi-to-pinyin.h"
+#include "common.h"
 
 using namespace UkuiSearch;
-size_t FileUtils::maxIndexCount = 0;
-unsigned short FileUtils::indexStatus = 0;
-QMap<QString, QStringList> FileUtils::map_chinese2pinyin = QMap<QString, QStringList>();
+
+#define MAX_CONTENT_LENGTH 20480000
 static QMutex iconMutex;
+/**
+ * @brief 查找elem的子节点
+ * @param elem 起始节点
+ * @param names 名称链
+ * @param nodes 查找到的全部结果
+ */
+void findNodes(const QDomElement &elem, QQueue<QString> &names, QList<QDomElement> &nodes)
+{
+    QString targetName = names.dequeue();
+    QDomNode node = elem.firstChild();
+    while (!node.isNull()) {
+        QDomElement e = node.toElement();
+        if (!e.isNull() && e.tagName() == targetName) {
+            if (names.empty()) {
+                nodes.append(e);
+
+            } else {
+                findNodes(e, names, nodes);
+                break;
+            }
+        }
+        node = node.nextSibling();
+    }
+}
+
+void findNodesByAttr(const QDomElement &elem, QQueue <QString> &names, QList <QDomElement> &nodes, const QString &attr, const QStringList &values)
+{
+    findNodes(elem, names, nodes);
+
+    QList<QDomElement>::iterator it = nodes.begin();
+    while (it != nodes.end()) {
+        if ((*it).hasAttribute(attr) && values.contains((*it).attribute(attr))) {
+            it++;
+        } else {
+            it = nodes.erase(it);
+        }
+    }
+}
+
+bool findNodeText(const QDomElement &elem, QQueue<QString> &names, QString &content)
+{
+    QList<QDomElement> nodes;
+    findNodes(elem, names, nodes);
+
+    for (const auto &node : nodes) {
+        content.append(node.text());
+        if (content.length() >= MAX_CONTENT_LENGTH / 3) {
+            return true;
+        }
+    }
+    return false;
+}
+
+void findNodeAttr(const QDomElement &elem, QQueue<QString> &names, const QString &attr, QStringList &attrs)
+{
+    QList<QDomElement> nodes;
+    findNodes(elem, names, nodes);
+
+    for (const auto &node : nodes) {
+        if (node.hasAttribute(attr)) {
+            attrs.append(node.attribute(attr));
+        }
+    }
+}
+
+void processUOFPPT(const QDomDocument &doc, QString &content)
+{
+    QDomElement rootElem = doc.documentElement();
+    QList<QDomElement> nodes;
+    QQueue<QString> names; //每个节点的名称
+    names << "uof:演示文稿" << "演:主体" << "演:幻灯片集" << "演:幻灯片";
+
+    findNodes(rootElem, names, nodes);
+
+    if (nodes.empty()) {
+        //TODO 在uof-ppt不存在锚点节点时，直接查找文本节点？
+        return;
+    }
+
+    QStringList objs;
+    //每一个 演:幻灯片 -> 锚点
+    for (const auto &node : nodes) {
+        names.clear();
+        names << "uof:锚点";
+        findNodeAttr(node, names, "uof:图形引用", objs);
+    }
+
+    nodes.clear();
+    names.clear();
+    names << "uof:对象集" << "图:图形";
+    findNodesByAttr(rootElem, names, nodes, "图:标识符", objs);
+
+    if (nodes.empty()) {
+        return;
+    }
+
+    QList<QDomElement> paraNodes; //全部段落节点
+    for (const auto &node : nodes) {
+        names.clear();
+        names << "图:文本内容" << "字:段落";
+        findNodes(node, names, paraNodes);
+    }
+
+    nodes.clear();
+    for (const auto &node : paraNodes) {
+        names.clear();
+        names << "字:句";
+        findNodes(node, names, nodes); //全部段落下的全部句节点
+    }
+
+    for (const auto &node : nodes) {
+        names.clear();
+        names << "字:文本串";
+        if (findNodeText(node, names, content)) {
+            break;
+        }
+    }
+}
+
+bool loadZipFileToDoc(QuaZip &zipFile, QDomDocument &doc, const QString &fileName)
+{
+    if (!zipFile.isOpen() && !zipFile.open(QuaZip::mdUnzip)) {
+        return false;
+    }
+
+    if (!zipFile.setCurrentFile(fileName)) {
+        return false;
+    }
+
+    QuaZipFile file(&zipFile);
+    if (!file.open(QIODevice::ReadOnly)) {
+        return false;
+    }
+
+    doc.clear();
+    if (!doc.setContent(&file)) {
+        file.close();
+        return false;
+    }
+    file.close();
+
+    return true;
+}
 
 FileUtils::FileUtils() {
 }
@@ -198,24 +364,6 @@ bool FileUtils::isOrUnder(QString pathA, QString pathB)
     return false;
 }
 
-
-void FileUtils::loadHanziTable(const QString &fileName) {
-    QFile file(fileName);
-    if(!file.open(QFile::ReadOnly | QFile::Text)) {
-        qDebug("File: '%s' open failed!", file.fileName().toStdString().c_str());
-        return;
-    }
-
-    /* 读取汉字对照表文件并转换为QMap存储 */
-    while(!file.atEnd()) {
-        QString content = QString::fromUtf8(file.readLine());
-        FileUtils::map_chinese2pinyin[content.split(" ").last().trimmed()] = content.split(" ").first().split(",");
-    }
-    file.close();
-
-    return;
-}
-
 QMimeType FileUtils::getMimetype(const QString &path) {
     QMimeDatabase mdb;
     QMimeType type = mdb.mimeTypeForFile(path, QMimeDatabase::MatchContent);
@@ -223,261 +371,8 @@ QMimeType FileUtils::getMimetype(const QString &path) {
     return type;
 }
 
-//aborted
-QString FileUtils::find(const QString &hanzi) {
-    //        static QMap<QString, QStringList> map = loadHanziTable("://index/pinyinWithoutTone.txt");
-    //        static QMap<QString, QStringList> map;
-    QString output;
-    QStringList stringList = hanzi.split("");
-
-    /* 遍历查找汉字-拼音对照表的内容并将汉字替换为拼音 */
-    for(const QString &str : stringList) {
-        if(FileUtils::map_chinese2pinyin.contains(str))
-            output += FileUtils::map_chinese2pinyin[str].first();
-        else
-            output += str;
-    }
-
-    return output;
-}
-
-//DFS多音字太多直接GG
-void stitchMultiToneWordsDFS(const QString &hanzi, const QString &resultAllPinYin, const QString &resultFirst, QStringList &resultList) {
-    if(hanzi.size() == 0) {
-        resultList.append(resultAllPinYin);
-        resultList.append(resultFirst);
-        return;
-    }
-    if(FileUtils::map_chinese2pinyin.contains(hanzi.at(0))) {
-        for(auto i : FileUtils::map_chinese2pinyin[hanzi.at(0)]) {
-            stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + i, resultFirst + i.at(0), resultList);
-        }
-    } else {
-        stitchMultiToneWordsDFS(hanzi.right(hanzi.size() - 1), resultAllPinYin + hanzi.at(0), resultFirst + hanzi.at(0), resultList);
-    }
-}
-
-//BFS+Stack多音字太多会爆栈
-void stitchMultiToneWordsBFSStack(const QString &hanzi, QStringList &resultList) {
-    QString tempHanzi, resultAllPinYin, resultFirst;
-    QQueue<QString> tempQueue;
-    tempHanzi = hanzi;
-    int tempQueueSize = 0;
-    if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-        for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-            tempQueue.enqueue(i);
-        }
-    } else {
-        tempQueue.enqueue(tempHanzi.at(0));
-    }
-    tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    while(tempHanzi.size() != 0) {
-        tempQueueSize = tempQueue.size();
-        if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-                    tempQueue.enqueue(tempQueue.head() + i);
-                }
-                tempQueue.dequeue();
-            }
-        } else {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
-                tempQueue.dequeue();
-            }
-        }
-        tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    }
-    while(!tempQueue.empty()) {
-        resultList.append(tempQueue.dequeue());
-    }
-}
-//BFS+Heap，多音字太多会耗尽内存
-void stitchMultiToneWordsBFSHeap(const QString &hanzi, QStringList &resultList) {
-    QString tempHanzi, resultAllPinYin, resultFirst;
-    QQueue<QString>* tempQueue = new QQueue<QString>;
-    tempHanzi = hanzi;
-    int tempQueueSize = 0;
-    if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-        for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-            tempQueue->enqueue(i);
-        }
-    } else {
-        tempQueue->enqueue(tempHanzi.at(0));
-    }
-    tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    while(tempHanzi.size() != 0) {
-        tempQueueSize = tempQueue->size();
-        if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-                    tempQueue->enqueue(tempQueue->head() + i);
-                }
-                tempQueue->dequeue();
-            }
-        } else {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
-                tempQueue->dequeue();
-            }
-        }
-        tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    }
-    while(!tempQueue->empty()) {
-        resultList.append(tempQueue->dequeue());
-    }
-    delete tempQueue;
-    tempQueue = nullptr;
-}
-
-//BFS+Heap+超过3个多音字只建一个索引，比较折中的方案
-void stitchMultiToneWordsBFSHeapLess3(const QString &hanzi, QStringList &resultList) {
-    QString tempHanzi, resultAllPinYin, resultFirst;
-    QQueue<QString>* tempQueue = new QQueue<QString>;
-    QQueue<QString>* tempQueueFirst = new QQueue<QString>;
-    tempHanzi = hanzi;
-    int tempQueueSize = 0;
-    int multiToneWordNum = 0;
-    for(auto i : hanzi) {
-        if(FileUtils::map_chinese2pinyin.contains(i)) {
-            if(FileUtils::map_chinese2pinyin[i].size() > 1) {
-                ++multiToneWordNum;
-            }
-        }
-    }
-    if(multiToneWordNum > 3) {
-        QString oneResult, oneResultFirst;
-        for(auto i : hanzi) {
-            if(FileUtils::map_chinese2pinyin.contains(i)) {
-                oneResult += FileUtils::map_chinese2pinyin[i].first();
-                oneResultFirst += FileUtils::map_chinese2pinyin[i].first().at(0);
-            } else {
-                oneResult += i;
-                oneResultFirst += i;
-            }
-        }
-        resultList.append(oneResult);
-        resultList.append(oneResultFirst);
-        return;
-    }
-
-    if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-        for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-            tempQueue->enqueue(i);
-            tempQueueFirst->enqueue(i.at(0));
-        }
-    } else {
-        tempQueue->enqueue(tempHanzi.at(0));
-        tempQueueFirst->enqueue(tempHanzi.at(0));
-    }
-    tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    while(tempHanzi.size() != 0) {
-        tempQueueSize = tempQueue->size();
-        if(FileUtils::map_chinese2pinyin.contains(tempHanzi.at(0))) {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                for(auto i : FileUtils::map_chinese2pinyin[tempHanzi.at(0)]) {
-                    tempQueue->enqueue(tempQueue->head() + i);
-                    tempQueueFirst->enqueue(tempQueueFirst->head() + i.at(0));
-                }
-                tempQueue->dequeue();
-                tempQueueFirst->dequeue();
-            }
-        } else {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                tempQueue->enqueue(tempQueue->head() + tempHanzi.at(0));
-                tempQueueFirst->enqueue(tempQueueFirst->head() + tempHanzi.at(0));
-                tempQueue->dequeue();
-                tempQueueFirst->dequeue();
-            }
-        }
-        tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    }
-    while(!tempQueue->empty()) {
-        resultList.append(tempQueue->dequeue());
-        resultList.append(tempQueueFirst->dequeue());
-    }
-    delete tempQueue;
-    delete tempQueueFirst;
-    tempQueue = nullptr;
-    tempQueueFirst = nullptr;
-    return;
-}
-
-//BFS+Stack+超过3个多音字只建一个索引，比较折中的方案
-void stitchMultiToneWordsBFSStackLess3(const QString &hanzi, QStringList &resultList) {
-    QString tempHanzi;
-    QQueue<QString> tempQueue;
-    QQueue<QString> tempQueueFirst;
-    tempHanzi = hanzi;
-    int tempQueueSize = 0;
-    int multiToneWordNum = 0;
-
-    for (auto i:hanzi) {
-        if (HanZiToPinYin::getInstance()->isMultiTone(QString(i).toStdString()))
-            ++multiToneWordNum;
-    }
-    if(multiToneWordNum > 3) {
-        QString oneResult, oneResultFirst;
-        for(auto i : hanzi) {
-            QStringList results;
-            HanZiToPinYin::getInstance()->getResults(QString(i).toStdString(), results);
-            if(results.size()) {
-                oneResult += results.first();
-                oneResultFirst += results.first().at(0);
-            } else {
-                oneResult += i;
-                oneResultFirst += i;
-            }
-        }
-        resultList.append(oneResult);
-        resultList.append(oneResultFirst);
-        return;
-    }
-
-    QStringList results;
-    HanZiToPinYin::getInstance()->getResults(QString(tempHanzi.at(0)).toStdString(), results);
-    if(results.size()) {
-        for(auto i : results) {
-            tempQueue.enqueue(i);
-            tempQueueFirst.enqueue(i.at(0));
-        }
-    } else {
-        tempQueue.enqueue(tempHanzi.at(0));
-        tempQueueFirst.enqueue(tempHanzi.at(0));
-    }
-    tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    while(tempHanzi.size() != 0) {
-        HanZiToPinYin::getInstance()->getResults(QString(tempHanzi.at(0)).toStdString(), results);
-        tempQueueSize = tempQueue.size();
-        if(results.size()) {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                for(auto i : results) {
-                    tempQueue.enqueue(tempQueue.head() + i);
-                    tempQueueFirst.enqueue(tempQueueFirst.head() + i.at(0));
-                }
-                tempQueue.dequeue();
-                tempQueueFirst.dequeue();
-            }
-        } else {
-            for(int j = 0; j < tempQueueSize; ++j) {
-                tempQueue.enqueue(tempQueue.head() + tempHanzi.at(0));
-                tempQueueFirst.enqueue(tempQueueFirst.head() + tempHanzi.at(0));
-                tempQueue.dequeue();
-                tempQueueFirst.dequeue();
-            }
-        }
-        tempHanzi = tempHanzi.right(tempHanzi.size() - 1);
-    }
-    while(!tempQueue.empty()) {
-        resultList.append(tempQueue.dequeue());
-        resultList.append(tempQueueFirst.dequeue());
-    }
-    return;
-}
-
 QStringList FileUtils::findMultiToneWords(const QString &hanzi) {
     QStringList output, results;
-    //stitchMultiToneWordsBFSStackLess3(hanzi, output);
     HanZiToPinYin::getInstance()->getResults(hanzi.toStdString(), results);
     QString oneResult(results.join(""));
     QString firstLetter;
@@ -1162,124 +1057,9 @@ void FileUtils::getUOFTextContent(const QString &path, QString &textContent)
     file.close();
 }
 
-void FileUtils::processUOFPPT(const QDomDocument &doc, QString &content)
-{
-    QDomElement rootElem = doc.documentElement();
-    QList<QDomElement> nodes;
-    QQueue<QString> names; //每个节点的名称
-    names << "uof:演示文稿" << "演:主体" << "演:幻灯片集" << "演:幻灯片";
 
-    findNodes(rootElem, names, nodes);
 
-    if (nodes.empty()) {
-        //TODO 在uof-ppt不存在锚点节点时，直接查找文本节点？
-        return;
-    }
 
-    QStringList objs;
-    //每一个 演:幻灯片 -> 锚点
-    for (const auto &node : nodes) {
-        names.clear();
-        names << "uof:锚点";
-        findNodeAttr(node, names, "uof:图形引用", objs);
-    }
-
-    nodes.clear();
-    names.clear();
-    names << "uof:对象集" << "图:图形";
-    findNodesByAttr(rootElem, names, nodes, "图:标识符", objs);
-
-    if (nodes.empty()) {
-        return;
-    }
-
-    QList<QDomElement> paraNodes; //全部段落节点
-    for (const auto &node : nodes) {
-        names.clear();
-        names << "图:文本内容" << "字:段落";
-        findNodes(node, names, paraNodes);
-    }
-
-    nodes.clear();
-    for (const auto &node : paraNodes) {
-        names.clear();
-        names << "字:句";
-        findNodes(node, names, nodes); //全部段落下的全部句节点
-    }
-
-    for (const auto &node : nodes) {
-        names.clear();
-        names << "字:文本串";
-        if (findNodeText(node, names, content)) {
-            break;
-        }
-    }
-}
-
-/**
- * @brief 查找elem的子节点
- * @param elem 起始节点
- * @param names 名称链
- * @param nodes 查找到的全部结果
- */
-void FileUtils::findNodes(const QDomElement &elem, QQueue<QString> &names, QList<QDomElement> &nodes)
-{
-    QString targetName = names.dequeue();
-    QDomNode node = elem.firstChild();
-    while (!node.isNull()) {
-        QDomElement e = node.toElement();
-        if (!e.isNull() && e.tagName() == targetName) {
-            if (names.empty()) {
-                nodes.append(e);
-
-            } else {
-                findNodes(e, names, nodes);
-                break;
-            }
-        }
-        node = node.nextSibling();
-    }
-}
-
-inline void FileUtils::findNodesByAttr(const QDomElement &elem, QQueue <QString> &names, QList <QDomElement> &nodes, const QString &attr, const QStringList &values)
-{
-    findNodes(elem, names, nodes);
-
-    QList<QDomElement>::iterator it = nodes.begin();
-    while (it != nodes.end()) {
-        if ((*it).hasAttribute(attr) && values.contains((*it).attribute(attr))) {
-            it++;
-        } else {
-            it = nodes.erase(it);
-        }
-    }
-}
-
-inline bool FileUtils::findNodeText(const QDomElement &elem, QQueue<QString> &names, QString &content)
-{
-    QList<QDomElement> nodes;
-    findNodes(elem, names, nodes);
-
-    for (const auto &node : nodes) {
-        content.append(node.text());
-        if (content.length() >= MAX_CONTENT_LENGTH / 3) {
-            return true;
-        }
-    }
-    return false;
-}
-
-inline void FileUtils::findNodeAttr(const QDomElement &elem, QQueue<QString> &names, const QString &attr, QStringList &attrs)
-{
-    QList<QDomElement> nodes;
-    findNodes(elem, names, nodes);
-
-    for (const auto &node : nodes) {
-        if (node.hasAttribute(attr)) {
-            attrs.append(node.attribute(attr));
-        }
-    }
-}
 
 /**
  * uof2.0解析
@@ -1388,30 +1168,6 @@ void FileUtils::getUOF2PPTContent(const QString &path, QString &textContent)
     }
 }
 
-inline bool FileUtils::loadZipFileToDoc(QuaZip &zipFile, QDomDocument &doc, const QString &fileName)
-{
-    if (!zipFile.isOpen() && !zipFile.open(QuaZip::mdUnzip)) {
-        return false;
-    }
-
-    if (!zipFile.setCurrentFile(fileName)) {
-        return false;
-    }
-
-    QuaZipFile file(&zipFile);
-    if (!file.open(QIODevice::ReadOnly)) {
-        return false;
-    }
-
-    doc.clear();
-    if (!doc.setContent(&file)) {
-        file.close();
-        return false;
-    }
-    file.close();
-
-    return true;
-}
 
 /**
  * OFD文件解析
diff --git a/libsearch/file-utils.h b/libsearch/file-utils.h
index 5fa5bc2..ee6b517 100644
--- a/libsearch/file-utils.h
+++ b/libsearch/file-utils.h
@@ -22,44 +22,12 @@
 #ifndef FILEUTILS_H
 #define FILEUTILS_H
 #include <QString>
-#include <QCryptographicHash>
 #include <QIcon>
 #include <QMap>
-#include <QMimeDatabase>
 #include <QMimeType>
-#include <QDir>
-#include <QDebug>
-#include <QFile>
-#include <QFileInfo>
-#include <QUrl>
-#include <QMap>
-#include <QQueue>
-#include <QDesktopServices>
-#include <QApplication>
-#include <QClipboard>
-#include <QFontMetrics>
 #include <QLabel>
-
-#include <quazip5/quazipfile.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <quazip5/quazip.h>
-#include <uchardet/uchardet.h>
-//#include <poppler-qt5.h>
-#include <poppler/qt5/poppler-qt5.h>
-
 #include "libsearch_global.h"
-#include "common.h"
-#include <leptonica/allheaders.h>
 
-//#define INITIAL_STATE 0
-//#define CREATING_INDEX 1
-//#define FINISH_CREATING_INDEX 2
-#define MAX_CONTENT_LENGTH 20480000
 namespace UkuiSearch {
 class  LIBSEARCH_EXPORT FileUtils {
 public:
@@ -77,12 +45,7 @@ public:
     static QString getSettingName(const QString &setting);
     //A is or under B
     static bool isOrUnder(QString pathA, QString pathB);
-
-    //chinese character to pinyin
-    static QMap<QString, QStringList> map_chinese2pinyin;
-    static QString find(const QString &hanzi);
     static QStringList findMultiToneWords(const QString &hanzi);
-    static void loadHanziTable(const QString &fileName);
 
     //parse text,docx.....
     static QMimeType getMimetype(const QString &path);
@@ -110,16 +73,6 @@ public:
      */
     static bool isEncrypedOrUnsupport(const QString &path, const QString &suffix);
     static bool isOcrSupportSize(QString path);
-    static size_t maxIndexCount;
-    static unsigned short indexStatus;
-
-private:
-    static void findNodes(const QDomElement &elem, QQueue<QString> &names, QList<QDomElement> &nodes);
-    static inline void findNodesByAttr(const QDomElement&, QQueue<QString>&, QList<QDomElement>&, const QString &, const QStringList&);
-    static inline bool findNodeText(const QDomElement &elem, QQueue<QString> &names, QString &content);
-    static inline void findNodeAttr(const QDomElement &elem, QQueue<QString> &names, const QString &attr, QStringList &attrs);
-    static void processUOFPPT(const QDomDocument &doc, QString &content);
-    static inline bool loadZipFileToDoc(QuaZip &zipFile, QDomDocument &doc, const QString &fileName);
 
 private:
     FileUtils();
diff --git a/libsearch/filesystemwatcher/file-system-watcher.cpp b/libsearch/filesystemwatcher/file-system-watcher.cpp
index c4e4b89..f4fe84e 100644
--- a/libsearch/filesystemwatcher/file-system-watcher.cpp
+++ b/libsearch/filesystemwatcher/file-system-watcher.cpp
@@ -21,6 +21,7 @@
 #include "file-system-watcher-private.h"
 #include <sys/inotify.h>
 #include <sys/ioctl.h>
+#include <unistd.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <QDir>
diff --git a/libsearch/global-settings.cpp b/libsearch/global-settings.cpp
index 38e4955..85ef84a 100644
--- a/libsearch/global-settings.cpp
+++ b/libsearch/global-settings.cpp
@@ -21,6 +21,7 @@
 #include <QtConcurrent>
 #include <QPalette>
 #include "global-settings.h"
+#define UKUI_SEARCH_SCHEMAS "org.ukui.search.settings"
 
 using namespace UkuiSearch;
 static GlobalSettings *globalInstance = nullptr;
diff --git a/libsearch/global-settings.h b/libsearch/global-settings.h
index 806ec73..c7830de 100644
--- a/libsearch/global-settings.h
+++ b/libsearch/global-settings.h
@@ -45,7 +45,6 @@
 #define FONT_SIZE_KEY "systemFontSize"
 #define ICON_THEME_KEY "iconThemeName"
 
-#define UKUI_SEARCH_SCHEMAS "org.ukui.search.settings"
 #define FILE_INDEX_ENABLE_KEY "fileIndexEnable"
 #define WEB_ENGINE_KEY "webEngine"
 #define CONTENT_FUZZY_SEARCH_KEY "contentFuzzySearch"
diff --git a/libsearch/index/basic-indexer.cpp b/libsearch/index/basic-indexer.cpp
index 87796c4..c4625fe 100644
--- a/libsearch/index/basic-indexer.cpp
+++ b/libsearch/index/basic-indexer.cpp
@@ -18,9 +18,10 @@
  *
  */
 #include "basic-indexer.h"
-#include "file-utils.h"
+#include <QDateTime>
 #include <QFileInfo>
 #include <QUrl>
+#include "file-utils.h"
 using namespace UkuiSearch;
 BasicIndexer::BasicIndexer(const QString& filePath): m_filePath(filePath)
 {
diff --git a/libsearch/index/batch-indexer.cpp b/libsearch/index/batch-indexer.cpp
index c2e9b81..51b9f6b 100644
--- a/libsearch/index/batch-indexer.cpp
+++ b/libsearch/index/batch-indexer.cpp
@@ -20,7 +20,9 @@
 #include "batch-indexer.h"
 #include <QFileInfo>
 #include <QTime>
+#include <QDebug>
 #include <malloc.h>
+#include <QQueue>
 
 #include "file-utils.h"
 #include "basic-indexer.h"
diff --git a/libsearch/index/file-content-indexer.cpp b/libsearch/index/file-content-indexer.cpp
index 59fc146..b889e14 100644
--- a/libsearch/index/file-content-indexer.cpp
+++ b/libsearch/index/file-content-indexer.cpp
@@ -18,6 +18,7 @@
  *
  */
 #include "file-content-indexer.h"
+#include <QDateTime>
 #include "file-reader.h"
 #include "file-utils.h"
 #include "chinese-segmentation.h"
diff --git a/libsearch/index/file-reader.cpp b/libsearch/index/file-reader.cpp
index f462efe..30c62e1 100644
--- a/libsearch/index/file-reader.cpp
+++ b/libsearch/index/file-reader.cpp
@@ -21,6 +21,7 @@
 #include "file-utils.h"
 #include "binary-parser.h"
 #include "ocrobject.h"
+#include "common.h"
 using namespace UkuiSearch;
 FileReader::FileReader(QObject *parent) : QObject(parent)
 {
diff --git a/libsearch/settingsearch/settings-search-plugin.cpp b/libsearch/settingsearch/settings-search-plugin.cpp
index bd2ac6a..1d35b13 100644
--- a/libsearch/settingsearch/settings-search-plugin.cpp
+++ b/libsearch/settingsearch/settings-search-plugin.cpp
@@ -4,6 +4,7 @@
 #include <QWidget>
 #include <QDBusReply>
 #include <QDBusArgument>
+#include <QFile>
 #include "settings-search-plugin.h"
 #include "file-utils.h"
 
diff --git a/libsearch/websearch/web-search-plugin.cpp b/libsearch/websearch/web-search-plugin.cpp
index 6c2462a..1024e97 100644
--- a/libsearch/websearch/web-search-plugin.cpp
+++ b/libsearch/websearch/web-search-plugin.cpp
@@ -1,4 +1,5 @@
 #include <QDBusReply>
+#include <QDesktopServices>
 #include "web-search-plugin.h"
 #include "global-settings.h"
 #define WEB_ENGINE_KEY "webEngine"
diff --git a/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro b/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro
index 506c278..bcb9e55 100644
--- a/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro
+++ b/ukui-search-service-dir-manager/ukui-search-service-dir-manager.pro
@@ -44,6 +44,7 @@ SOURCES += \
 HEADERS += \
     ukui-search-dir-manager-dbus.h
 
-LIBS += -L$$OUT_PWD/../libsearch -lukui-search
+LIBS += -L$$OUT_PWD/../libsearch -lukui-search \
+        -L$$OUT_PWD/../libchinese-segmentation -lchinese-segmentation
 INCLUDEPATH += $$PWD/../libsearch
 DEPENDPATH += $$PWD/../libsearch
diff --git a/ukui-search-service/ukui-search-service.pro b/ukui-search-service/ukui-search-service.pro
index af4d729..861bcfe 100644
--- a/ukui-search-service/ukui-search-service.pro
+++ b/ukui-search-service/ukui-search-service.pro
@@ -24,7 +24,8 @@ include(../libsearch/libukui-search-headers.pri)
 include(../3rd-parties/qtsingleapplication/qtsingleapplication.pri)
 include(./qml/qml.pri)
 
-LIBS += -L$$OUT_PWD/../libsearch -lukui-search
+LIBS += -L$$OUT_PWD/../libsearch -lukui-search \
+        -L$$OUT_PWD/../libchinese-segmentation -lchinese-segmentation
 
 SOURCES += \
         main.cpp \