diff --git a/filesearch/database/filedatabase.cpp b/filesearch/database/filedatabase.cpp
index fb18817..40a5166 100644
--- a/filesearch/database/filedatabase.cpp
+++ b/filesearch/database/filedatabase.cpp
@@ -1,6 +1,7 @@
 #include "filedatabase.h"
 
 #include <QDebug>
+#include <QDir>
 #include <QtSql/QSqlQuery>
 #include <QtSql/QSqlDriver>
 #include <QtSql/QSqlError>
@@ -22,6 +23,11 @@ enum HEADER_NAME {
 FileDataBase::FileDataBase(QObject *parent) : QObject(parent)
 {
     QMutexLocker lockData(&m_mutex);
+    QDir downDir(DATABASE_PATH);
+    if (!downDir.exists(DATABASE_PATH)) {
+        // 文件夹不存在，创建文件夹
+        downDir.mkpath(DATABASE_PATH);
+    }
     if (QSqlDatabase::contains(DATABASE_NAME)) {
         // 本地已存在该数据库
         m_DataBase = QSqlDatabase::database(DATABASE_NAME);