diff --git a/libsearch/index/construct-document.cpp b/libsearch/index/construct-document.cpp
index c35b8b9..fc81e42 100644
--- a/libsearch/index/construct-document.cpp
+++ b/libsearch/index/construct-document.cpp
@@ -66,6 +66,7 @@ void ConstructDocumentForPath::run() {
     doc.setUniqueTerm(uniqueterm);
     doc.addTerm(upTerm);
     doc.addValue(1, m_list.at(2));
+    doc.addSortableSerialiseValue(2, m_list.at(3));
     /*    QStringList temp;
     //    temp.append(index_text);
         temp.append(pinyin_text_list)*/;
diff --git a/libsearch/index/document.cpp b/libsearch/index/document.cpp
index e430d31..98ed782 100644
--- a/libsearch/index/document.cpp
+++ b/libsearch/index/document.cpp
@@ -74,6 +74,11 @@ void Document::addValue(unsigned slot, QString value)
     m_document.add_value(slot, value.toStdString());
 }
 
+void Document::addSortableSerialiseValue(unsigned slot, QString value)
+{
+    m_document.add_value(slot, Xapian::sortable_serialise(value.toDouble()));
+}
+
 void Document::setUniqueTerm(QString term) {
     if(term.isEmpty())
         return;
diff --git a/libsearch/index/document.h b/libsearch/index/document.h
index 1949bb3..40139d1 100644
--- a/libsearch/index/document.h
+++ b/libsearch/index/document.h
@@ -48,6 +48,7 @@ public:
     void addTerm(QString term);
     void addTerm(std::string term);
     void addValue(unsigned slot, QString value);
+    void addSortableSerialiseValue(unsigned slot, QString value);
     void setUniqueTerm(QString term);
     void setUniqueTerm(std::string term);
     std::string getUniqueTerm();
diff --git a/libsearch/index/first-index.cpp b/libsearch/index/first-index.cpp
index 886f984..44e5fb5 100644
--- a/libsearch/index/first-index.cpp
+++ b/libsearch/index/first-index.cpp
@@ -56,7 +56,10 @@ FirstIndex::~FirstIndex() {
 
 void FirstIndex::DoSomething(const QFileInfo& fileInfo) {
     //    qDebug() << "there are some shit here"<<fileInfo.fileName() << fileInfo.absoluteFilePath() << QString(fileInfo.isDir() ? "1" : "0");
-    this->m_indexData->enqueue(QVector<QString>() << fileInfo.fileName() << fileInfo.absoluteFilePath() << QString((fileInfo.isDir() && (!fileInfo.isSymLink())) ? "1" : "0"));
+    this->m_indexData->enqueue(QVector<QString>() << fileInfo.fileName()
+                                                  << fileInfo.absoluteFilePath()
+                                                  << QString((fileInfo.isDir() && (!fileInfo.isSymLink())) ? "1" : "0")
+                                                  << fileInfo.lastModified().toString("yyyyMMddHHmmss"));
     if (fileInfo.fileName().split(".", QString::SkipEmptyParts).length() < 2)
         return;
     if (true == targetFileTypeMap[fileInfo.fileName().split(".").last()]
diff --git a/libsearch/index/index-generator.cpp b/libsearch/index/index-generator.cpp
index d705be3..1fb3710 100644
--- a/libsearch/index/index-generator.cpp
+++ b/libsearch/index/index-generator.cpp
@@ -610,7 +610,9 @@ bool IndexGenerator::updateIndex(QVector<PendingFile> *pendingFiles)
             deleteList->append(file.path());
             continue;
         }
-        fileIndexInfo->append(QVector<QString>() << file.path().section("/" , -1) << file.path() << QString(file.isDir() ? "1" : "0"));
+        fileIndexInfo->append(QVector<QString>() << file.path().section("/" , -1)
+                                                 << file.path() << QString(file.isDir() ? "1" : "0")
+                                                 << QFileInfo(file.path()).lastModified().toString("yyyyMMddHHmmss"));
         if (file.path().split(".").isEmpty()){
             continue;
         }
diff --git a/libsearch/index/search-manager.cpp b/libsearch/index/search-manager.cpp
index ddff0d1..c3385d2 100644
--- a/libsearch/index/search-manager.cpp
+++ b/libsearch/index/search-manager.cpp
@@ -143,6 +143,8 @@ int FileSearch::keywordSearchfile() {
         qDebug() << "keywordSearchfile:" << QString::fromStdString(queryFile.get_description());
 
         enquire.set_query(queryFile);
+        enquire.set_docid_order(enquire.DONT_CARE);
+        enquire.set_sort_by_relevance_then_value(2, true);
         Xapian::MSet result = enquire.get_mset(m_begin, m_num, 0, m_matchDecider);
         int resultCount = result.size();
         qDebug() << "keywordSearchfile results count=" << resultCount;
@@ -175,8 +177,10 @@ int FileSearch::getResult(Xapian::MSet &result) {
     for(auto it = result.begin(); it != result.end(); ++it) {
         Xapian::Document doc = it.get_document();
         std::string data = doc.get_data();
-        Xapian::weight docScoreWeight = it.get_weight();
-        Xapian::percent docScorePercent = it.get_percent();
+//        Xapian::weight docScoreWeight = it.get_weight();
+//        Xapian::percent docScorePercent = it.get_percent();
+//        std::string date = doc.get_value(2);
+
         QString path = QString::fromStdString(data);
         std::string().swap(data);
 
@@ -208,7 +212,13 @@ int FileSearch::getResult(Xapian::MSet &result) {
                 break;
             }
         }
-        //qDebug() << "doc=" << path << ",weight=" << docScoreWeight << ",percent=" << docScorePercent;
+//        qDebug() << "doc=" << path
+//                 << ",weight="
+//                 << docScoreWeight
+//                 << ",percent="
+//                 << docScorePercent
+//                 << "date"
+//                 << QString::fromStdString(date);
     }
     //        if(!pathTobeDelete->isEmpty())
     //            deleteAllIndex(pathTobeDelete)