diff --git a/gemini/cloud/dropbox/3rdparty/droprestapi.cc b/gemini/cloud/dropbox/3rdparty/droprestapi.cc
--- a/gemini/cloud/dropbox/3rdparty/droprestapi.cc
+++ b/gemini/cloud/dropbox/3rdparty/droprestapi.cc
@@ -20,6 +20,7 @@
 #include "droprestapi.h"
 #include "json.h"
 
+#include <QUrlQuery>
 #include <QDebug>
 
 
@@ -77,7 +78,9 @@
    QNetworkRequest rt;
 
    url.setUrl(QString("%1%2").arg(FILES_TRANSFER_URL).arg(dropbox_folder));
-   url.addQueryItem("file", filename);
+   QUrlQuery query;
+   query.addQueryItem("file", filename);
+   url.setQuery(query);
 
    rt.setUrl(url);
    rt.setHeader(QNetworkRequest::ContentTypeHeader, QString("multipart/form-data; boundary=").append(boundaryStr));
@@ -98,29 +101,35 @@
 QNetworkRequest DropRestAPI::__delete(QString dropbox_filepath){
     QUrl url;
     url.setUrl(QString("%1").arg(FILE_DELETE_URL));
-    url.addQueryItem("root","dropbox");
-    url.addQueryItem("path",dropbox_filepath);
+    QUrlQuery query;
+    query.addQueryItem("root", "dropbox");
+    query.addQueryItem("path", dropbox_filepath);
+    url.setQuery(query);
     QNetworkRequest rt(url);
     oauth->sign("GET", &rt);
     return rt;
 }
 
 QNetworkRequest DropRestAPI::__create(QString dropbox_filepath){
     QUrl url;
     url.setUrl(QString("%1").arg(CREATE_FOLDER_URL));
-    url.addQueryItem("root","dropbox");
-    url.addQueryItem("path",dropbox_filepath);
+    QUrlQuery query;
+    query.addQueryItem("root", "dropbox");
+    query.addQueryItem("path", dropbox_filepath);
+    url.setQuery(query);
     QNetworkRequest rt(url);
     oauth->sign("GET", &rt);
     return rt;
 }
 
 QNetworkRequest DropRestAPI::__move(QString path_source, QString path_destination){
     QUrl url;
     url.setUrl(QString("%1").arg(FILE_MOVE_URL));
-    url.addQueryItem("root", "dropbox");
-    url.addQueryItem("from_path", path_source);
-    url.addQueryItem("to_path", path_destination);
+    QUrlQuery query;
+    query.addQueryItem("root", "dropbox");
+    query.addQueryItem("from_path", path_source);
+    query.addQueryItem("to_path", path_destination);
+    url.setQuery(query);
 
     QNetworkRequest rt(url);
     oauth->sign("GET", &rt);
@@ -130,9 +139,11 @@
 QNetworkRequest DropRestAPI::__copy(QString path_source, QString path_destination){
     QUrl url;
     url.setUrl(QString("%1").arg(FILE_COPY_URL));
-    url.addQueryItem("root", "dropbox");
-    url.addQueryItem("from_path", path_source);
-    url.addQueryItem("to_path", path_destination);
+    QUrlQuery query;
+    query.addQueryItem("root", "dropbox");
+    query.addQueryItem("from_path", path_source);
+    query.addQueryItem("to_path", path_destination);
+    url.setQuery(query);
 
     QNetworkRequest rt(url);
     oauth->sign("GET", &rt);
@@ -142,8 +153,10 @@
 QNetworkRequest DropRestAPI::__shares(QString dropbox_filepath){
     QUrl url;
     url.setUrl(QString("%1").arg(SHARES_URL));
-    url.addQueryItem("root","dropbox");
-    url.addQueryItem("path",dropbox_filepath);
+    QUrlQuery query;
+    query.addQueryItem("root", "dropbox");
+    query.addQueryItem("path", dropbox_filepath);
+    url.setQuery(query);
 
     QNetworkRequest rt(url);
     oauth->sign("POST", &rt);
diff --git a/gemini/cloud/dropbox/3rdparty/listmodel.h b/gemini/cloud/dropbox/3rdparty/listmodel.h
--- a/gemini/cloud/dropbox/3rdparty/listmodel.h
+++ b/gemini/cloud/dropbox/3rdparty/listmodel.h
@@ -46,7 +46,6 @@
     virtual ~ListItem() {}
     virtual QString id() const = 0;
     virtual QVariant data(int role) const = 0;
-//    virtual QHash<int, QByteArray> roleNames() const = 0;
 
 Q_SIGNALS:
     void dataChanged();
@@ -73,8 +72,6 @@
   QModelIndex indexFromItem( const ListItem* item) const;
   void clear();
 
-  //QHash<int, QByteArray> roleNames() const;
-
   int count() const;
   int getCount() { return this->rowCount();}
   Q_INVOKABLE QVariantMap get(int row) const;
@@ -85,6 +82,9 @@
 Q_SIGNALS:
   void countChanged();
 
+protected:
+  QHash<int, QByteArray> roleNames() const;
+
 private:
   ListItem* m_prototype;
   QList<ListItem*> m_list;
diff --git a/gemini/cloud/dropbox/3rdparty/listmodel.cc b/gemini/cloud/dropbox/3rdparty/listmodel.cc
--- a/gemini/cloud/dropbox/3rdparty/listmodel.cc
+++ b/gemini/cloud/dropbox/3rdparty/listmodel.cc
@@ -25,6 +25,10 @@
 
 ListModel::ListModel(ListItem* prototype, QObject *parent) :
     QAbstractListModel(parent), m_prototype(prototype)
+{
+}
+
+QHash<int, QByteArray> ListModel::roleNames() const
 {
     QHash<int, QByteArray> roles;
     roles[ListItem::ModifiedRole] = "modified";
@@ -41,13 +45,9 @@
     roles[FileTransferItem::In_queueRole] = "in_queue";
     roles[FileTransferItem::Is_CancelledRolse] = "is_cancelled";
     roles[FileTransferItem::DateRole] = "date";
-    setRoleNames(roles);
+    return roles;
 }
 
-// QHash<int, QByteArray> ListModel::roleNames() const {
-//     return m_prototype->roleNames();
-// }
-
 int ListModel::rowCount(const QModelIndex &parent) const
 {
   Q_UNUSED(parent);
diff --git a/gemini/cloud/dropbox/3rdparty/oauth.cc b/gemini/cloud/dropbox/3rdparty/oauth.cc
--- a/gemini/cloud/dropbox/3rdparty/oauth.cc
+++ b/gemini/cloud/dropbox/3rdparty/oauth.cc
@@ -20,6 +20,7 @@
 #include "oauth.h"
 
 #include <QUrl>
+#include <QUrlQuery>
 #include <QByteArray>
 #include <QCryptographicHash>
 #include <QDateTime>
@@ -105,7 +106,7 @@
 
     QList< QPair<QString,QString> > parameters;
 
-    parameters.append(url->queryItems());
+    parameters.append(QUrlQuery(*url).queryItems());
 
     oAuthHeader.remove("OAuth ");
     QStringList oAuthParameters =