diff --git a/libsearch/searchinterface/searchtasks/file-search-task.cpp b/libsearch/searchinterface/searchtasks/file-search-task.cpp
index 3054630..84b7a18 100644
--- a/libsearch/searchinterface/searchtasks/file-search-task.cpp
+++ b/libsearch/searchinterface/searchtasks/file-search-task.cpp
@@ -365,7 +365,7 @@ bool FileSearchFilter::operator ()(const Xapian::Document &doc) const
         if (!m_parent->m_validDirectories.empty()) {
             inSearchDir = std::any_of(m_parent->m_validDirectories.begin(), m_parent->m_validDirectories.end(), [&](QString &dir) {
                 //限制搜索在该目录下
-                if (!path.startsWith(dir + "/")) {
+                if (dir != "/" && !path.startsWith(dir + "/")) {
                     return false;
                 }