diff --git a/libsearch/index/construct-document.cpp b/libsearch/index/construct-document.cpp
index 1b1f4eb..956d2f4 100644
--- a/libsearch/index/construct-document.cpp
+++ b/libsearch/index/construct-document.cpp
@@ -69,14 +69,13 @@ void ConstructDocumentForPath::run() {
     /*    QStringList temp;
     //    temp.append(index_text);
         temp.append(pinyin_text_list)*/;
-    int postingCount = 0;
-    while(postingCount < index_text.size()) {
-//        QVector<size_t> p;
-//        p.append(postingCount);
-        doc.addPosting(QUrl::toPercentEncoding(index_text.at(postingCount)).toStdString(), postingCount);
-        ++postingCount;
-    }
     int i = 0;
+    int postingCount = 1; //terms post of Xapian document is start from 1!
+    while(postingCount < index_text.size()) {
+        doc.addPosting(QUrl::toPercentEncoding(index_text.at(i)).toStdString(), postingCount);
+        ++postingCount;
+        ++i;
+    }
     for(QString& s : pinyin_text_list) {
         i = 0;
         while(i < s.size()) {