diff --git a/libchinese-segmentation/cppjieba/cppjieba.pri b/libchinese-segmentation/cppjieba/cppjieba.pri
index cec0ba9..fffe320 100644
--- a/libchinese-segmentation/cppjieba/cppjieba.pri
+++ b/libchinese-segmentation/cppjieba/cppjieba.pri
@@ -16,6 +16,6 @@ HEADERS += \
     $$PWD/SegmentBase.hpp \
     $$PWD/SegmentTagged.hpp \
     $$PWD/TextRankExtractor.hpp \
-    $$PWD/Trie.hpp \
+#    $$PWD/Trie.hpp \
     $$PWD/Unicode.hpp
 include(limonp/limonp.pri)
diff --git a/libsearch/file-utils.cpp b/libsearch/file-utils.cpp
index 4b74868..393ed72 100644
--- a/libsearch/file-utils.cpp
+++ b/libsearch/file-utils.cpp
@@ -181,9 +181,9 @@ QString FileUtils::getSettingName(const QString& setting) {
 
 bool FileUtils::isOrUnder(QString pathA, QString pathB)
 {
-    if(pathA[0] != "/")
+    if(!pathA.startsWith("/"))
         pathA.prepend("/");
-    if(pathB[0] != "/")
+    if(!pathB.startsWith("/"))
         pathB.prepend("/");
 
     if(pathA.length() < pathB.length())