diff --git a/libsearch/searchinterface/search-controller.cpp b/libsearch/searchinterface/search-controller.cpp
index 6851eda..b91042a 100644
--- a/libsearch/searchinterface/search-controller.cpp
+++ b/libsearch/searchinterface/search-controller.cpp
@@ -36,6 +36,7 @@ public:
     QStringList m_searchDirs;
     QStringList m_FileLabels;
     bool m_recurse = true;
+    bool m_matchAllIfNoKeyword = false;
     bool m_activeKeywordSegmentation = false;
     bool m_onlySearchFile = false;
     bool m_onlySearchDir = false;
@@ -127,6 +128,11 @@ void SearchController::addKeyword(const QString &keyword)
     d->m_keywords.append(keyword);
 }
 
+void SearchController::setMatchAllIfNoKeyword(bool matchAll)
+{
+    d->m_matchAllIfNoKeyword = matchAll;
+}
+
 size_t SearchController::getCurrentSearchId()
 {
     d->m_searchIdMutex.lock();
@@ -208,6 +214,11 @@ QStringList SearchController::getKeyword()
     return d->m_keywords;
 }
 
+bool SearchController::getMatchAllIfNoKeyword()
+{
+    return d->m_matchAllIfNoKeyword;
+}
+
 bool SearchController::isKeywordSegmentationActived()
 {
     return d->m_activeKeywordSegmentation;
diff --git a/libsearch/searchinterface/search-controller.h b/libsearch/searchinterface/search-controller.h
index 64e4d37..719073f 100644
--- a/libsearch/searchinterface/search-controller.h
+++ b/libsearch/searchinterface/search-controller.h
@@ -47,6 +47,7 @@ public:
     void addSearchDir(const QString &path);
     void setRecurse(bool recurse = true);
     void addKeyword(const QString &keyword);
+    void setMatchAllIfNoKeyword(bool matchAll);
     void setActiveKeywordSegmentation(bool active);
     void addFileLabel(const QString &label);
     void setOnlySearchFile(bool onlySearchFile);
@@ -68,6 +69,7 @@ public:
     QStringList getSearchDir();
     bool isRecurse();
     QStringList getKeyword();
+    bool getMatchAllIfNoKeyword();
     bool isKeywordSegmentationActived();
     QStringList getFileLabel();
     bool isSearchFileOnly();
diff --git a/libsearch/searchinterface/searchtasks/file-search-task.cpp b/libsearch/searchinterface/searchtasks/file-search-task.cpp
index a17e11f..af8bfdf 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/file-search-task.cpp
@@ -176,20 +176,24 @@ Xapian::Query FileSearchWorker::creatQueryForFileSearch() {
     }
 
     std::vector<Xapian::Query> queries;
-    for (QString &keyword : m_searchController->getKeyword()) {
-        if (!keyword.isEmpty()) {
-            std::vector<Xapian::Query> queryOfKeyword;
-            QString inputKeyWord = keyword.toLower();
-            QTextBoundaryFinder bf(QTextBoundaryFinder::Grapheme, inputKeyWord.toLower());
-            int start = 0;
-            for(; bf.position() != -1; bf.toNextBoundary()) {
-                int end = bf.position();
-                if(bf.boundaryReasons() & QTextBoundaryFinder::EndOfItem) {
-                    queryOfKeyword.emplace_back(QUrl::toPercentEncoding(inputKeyWord.toLower().mid(start, end - start)).toStdString());
+    if (m_searchController->getKeyword().isEmpty() && m_searchController->getMatchAllIfNoKeyword()) {
+        queries.emplace_back(Xapian::Query::MatchAll);
+    } else {
+        for (QString &keyword : m_searchController->getKeyword()) {
+            if (!keyword.isEmpty()) {
+                std::vector<Xapian::Query> queryOfKeyword;
+                QString inputKeyWord = keyword.toLower();
+                QTextBoundaryFinder bf(QTextBoundaryFinder::Grapheme, inputKeyWord.toLower());
+                int start = 0;
+                for(; bf.position() != -1; bf.toNextBoundary()) {
+                    int end = bf.position();
+                    if(bf.boundaryReasons() & QTextBoundaryFinder::EndOfItem) {
+                        queryOfKeyword.emplace_back(QUrl::toPercentEncoding(inputKeyWord.toLower().mid(start, end - start)).toStdString());
+                    }
+                    start = end;
                 }
-                start = end;
+                queries.emplace_back(Xapian::Query::OP_PHRASE, queryOfKeyword.begin(), queryOfKeyword.end());
             }
-            queries.emplace_back(Xapian::Query::OP_PHRASE, queryOfKeyword.begin(), queryOfKeyword.end());
         }
     }
 
@@ -303,13 +307,17 @@ bool FileSearchWorker::directSearch()
             }
 
             bool matched = false;
-            //同时包含几个key为成功匹配
-            for (const QString &keyword: m_searchController->getKeyword()) {
-                if (!keyword.isEmpty()) {
-                    //TODO 修改匹配方式,对结果进行排序
-                    if (fileInfo.fileName().contains(keyword, Qt::CaseInsensitive)) {
-                        matched = true;
-                        break;
+            if (m_searchController->getKeyword().isEmpty() && m_searchController->getMatchAllIfNoKeyword()) {
+                matched = true;
+            } else {
+                //同时包含几个key为成功匹配
+                for (const QString &keyword: m_searchController->getKeyword()) {
+                    if (!keyword.isEmpty()) {
+                        //TODO 修改匹配方式,对结果进行排序
+                        if (fileInfo.fileName().contains(keyword, Qt::CaseInsensitive)) {
+                            matched = true;
+                            break;
+                        }
                     }
                 }
             }
diff --git a/libsearch/searchinterface/ukui-search-task.cpp b/libsearch/searchinterface/ukui-search-task.cpp
index de15d97..642461e 100644
--- a/libsearch/searchinterface/ukui-search-task.cpp
+++ b/libsearch/searchinterface/ukui-search-task.cpp
@@ -63,6 +63,11 @@ void UkuiSearchTask::addKeyword(const QString &keyword)
     d->m_searchCotroller.addKeyword(keyword);
 }
 
+void UkuiSearchTask::setMatchAllIfNoKeyword(bool matchAll)
+{
+    d->m_searchCotroller.setMatchAllIfNoKeyword(matchAll);
+}
+
 void UkuiSearchTask::addFileLabel(const QString &label)
 {
     d->m_searchCotroller.addFileLabel(label);
diff --git a/libsearch/searchinterface/ukui-search-task.h b/libsearch/searchinterface/ukui-search-task.h
index b45eb42..bcbeb29 100644
--- a/libsearch/searchinterface/ukui-search-task.h
+++ b/libsearch/searchinterface/ukui-search-task.h
@@ -35,6 +35,12 @@ public:
     void addSearchDir(const QString &path);
     void setRecurse(bool recurse = true);
     void addKeyword(const QString &keyword);
+    /**
+     * 是否在未添加关键词的情况下进行所有文件名匹配
+     * @brief setMatchAllIfNoKeyword
+     * @param matchAll
+     */
+    void setMatchAllIfNoKeyword(bool matchAll);
     void addFileLabel(const QString &label);
     void setOnlySearchFile(bool onlySearchFile);
     void setOnlySearchDir(bool onlySearchDir);