diff --git a/src/article_maker.cc b/src/article_maker.cc
index 6508bcba..9ce0ff4f 100644
--- a/src/article_maker.cc
+++ b/src/article_maker.cc
@@ -282,20 +282,16 @@ sptr< Dictionary::DataRequest > ArticleMaker::makeDefinitionFor( QString const &
                                                                  bool ignoreDiacritics ) const
 {
   if ( !dictIDs.isEmpty() ) {
-    QStringList ids = dictIDs;
-    std::vector< sptr< Dictionary::Class > > ftsDicts;
+    std::vector< sptr< Dictionary::Class > > dicts;
 
     // Find dictionaries by ID's
-    for ( unsigned x = 0; x < dictionaries.size(); x++ ) {
-      for ( QStringList::Iterator it = ids.begin(); it != ids.end(); ++it ) {
-        if ( *it == QString::fromStdString( dictionaries[ x ]->getId() ) ) {
-          ftsDicts.push_back( dictionaries[ x ] );
-          ids.erase( it );
+    for ( const auto & dictId : dictIDs ) {
+      for ( unsigned x = 0; x < dictionaries.size(); x++ ) {
+        if ( dictId == QString::fromStdString( dictionaries[ x ]->getId() ) ) {
+          dicts.push_back( dictionaries[ x ] );
           break;
         }
       }
-      if ( ids.isEmpty() )
-        break;
     }
 
     string header = makeHtmlHeader( word, QString(), true );
@@ -303,7 +299,7 @@ sptr< Dictionary::DataRequest > ArticleMaker::makeDefinitionFor( QString const &
     return std::make_shared< ArticleRequest >( word,
                                                Instances::Group{ groupId, "" },
                                                contexts,
-                                               ftsDicts,
+                                               dicts,
                                                header,
                                                -1,
                                                true );
diff --git a/src/dictzip.c b/src/dictzip.c
index 51b26586..60496075 100644
--- a/src/dictzip.c
+++ b/src/dictzip.c
@@ -371,8 +371,10 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
       if ( pt == buffer + sizeof( buffer ) ) {
         err_fatal( __func__, "too long FNAME field in dzip file \"%s\"\n", filename );
         fclose( str );
-        if ( header->chunks )
+        if ( header->chunks ) {
           free( header->chunks );
+          header->chunks = NULL;
+        }
         return DZ_ERR_INVALID_FORMAT;
       }
     }
@@ -393,8 +395,10 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
       if ( pt == buffer + sizeof( buffer ) ) {
         err_fatal( __func__, "too long COMMENT field in dzip file \"%s\"\n", filename );
         fclose( str );
-        if ( header->chunks )
+        if ( header->chunks ) {
           free( header->chunks );
+          header->chunks = NULL;
+        }
         return DZ_ERR_INVALID_FORMAT;
       }
     }
@@ -416,8 +420,10 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
   if ( ftell( str ) != header->headerLength + 1 ) {
     err_internal( __func__, "File position (%lu) != header length + 1 (%d)\n", ftell( str ), header->headerLength + 1 );
     fclose( str );
-    if ( header->chunks )
+    if ( header->chunks ) {
       free( header->chunks );
+      header->chunks = NULL;
+    }
     return DZ_ERR_INVALID_FORMAT;
   }
 
@@ -435,8 +441,11 @@ static enum DZ_ERRORS dict_read_header( const char * filename, dictData * header
   /* Compute offsets */
   header->offsets = xmalloc( sizeof( header->offsets[ 0 ] ) * header->chunkCount );
   if ( header->offsets == 0 ) {
-    if ( header->chunks )
+    if ( header->chunks ) {
       free( header->chunks );
+      header->chunks = NULL;
+    }
+    fclose( str );
     return DZ_ERR_NOMEMORY;
   }
 
diff --git a/src/ui/articleview.cc b/src/ui/articleview.cc
index 08faee3f..8e30bfaf 100644
--- a/src/ui/articleview.cc
+++ b/src/ui/articleview.cc
@@ -2111,10 +2111,18 @@ void ArticleView::highlightFTSResults()
 
   webview->page()->runJavaScript( script );
   auto parts = regString.split( " ", Qt::SkipEmptyParts );
-  if ( !parts.isEmpty() ) {
-    firstAvailableText = parts[ 0 ];
-    ftsSearchPanel->show();
+  if ( parts.isEmpty() ) {
+    return;
   }
+
+  //hold the longest word
+  for ( auto & p : parts ) {
+    if ( p.size() > firstAvailableText.size() ) {
+      firstAvailableText = p;
+    }
+  }
+
+  ftsSearchPanel->show();
 }
 
 void ArticleView::setActiveDictIds( const ActiveDictIds & ad )
diff --git a/website/docs/topic_move_index_folder.md b/website/docs/topic_move_index_folder.md
new file mode 100644
index 00000000..59617d44
--- /dev/null
+++ b/website/docs/topic_move_index_folder.md
@@ -0,0 +1,17 @@
+How to move the default index folder to other places?
+
+
+## Windows
+
+!!! note
+    the [`mklink`](https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/mklink#related-links) is built-in tool in Windows.
+
+
+1. Open `cmd` as administrator
+2. copy the index folder to another place,take `D:\gd-ng\index_new` for example.
+3. Run `mklink /D "C:\Users\USERNAME\Application Data\GoldenDict\index" "D:\gd-ng\index_new"`
+4. Run GoldenDict
+
+## Linux
+
+use `ln` to create a link.
diff --git a/website/mkdocs.yml b/website/mkdocs.yml
index ed69f837..c7aecc4a 100644
--- a/website/mkdocs.yml
+++ b/website/mkdocs.yml
@@ -46,6 +46,7 @@ nav:
       - Wayland: topic_wayland.md
       - Debug dictionary JS: howto/how to debug dictionary js.md
       - Flatpak/FlatHub: topic_flatpak.md
+      - Move index folder: topic_move_index_folder.md
   - Related tools:
       - Anki Integration: topic_anki.md
       - OCR Integration: howto/ocr.md