diff --git a/chain/wallet/DapConfigManager/DapNodeInstallManager.cpp b/chain/wallet/DapConfigManager/DapNodeInstallManager.cpp
index 363e91ded9ec55275a42c39db815dab5bc3f3786..99ebfd0fb67d7895a7a03f9c6d98f1de8dd8d5f8 100644
--- a/chain/wallet/DapConfigManager/DapNodeInstallManager.cpp
+++ b/chain/wallet/DapConfigManager/DapNodeInstallManager.cpp
@@ -14,21 +14,21 @@ DapNodeInstallManager::DapNodeInstallManager(bool flag_RK, QObject *parent)
 
 #if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
 
-    m_url = QUrl(QString("https://pub.cellframe.net/linux/cellframe-node/%1/%2/").arg(branch).arg(latest));
+    m_url = QUrl(QString("https://pub.cellframe.net/linux/cellframe-node/%1/%2").arg(branch).arg(latest));
     m_suffix =  QString(".deb");
     m_labelUrlFile = "-amd64";
     m_baseUrl = QString("https://pub.cellframe.net/linux/cellframe-node/%1").arg(branch);
 
 #elif defined (Q_OS_MACOS)
 
-    m_url = QUrl(QString("https://pub.cellframe.net/macos/cellframe-node/%1/%2/").arg(branch).arg(latest));//todo: need branch
+    m_url = QUrl(QString("https://pub.cellframe.net/macos/cellframe-node/%1/%2").arg(branch).arg(latest));//todo: need branch
     m_suffix =  QString(".pkg");
     m_labelUrlFile = "-amd64-signed";
     m_baseUrl = QString("https://pub.cellframe.net/macos/cellframe-node/%1").arg(branch);
 
 #elif defined (Q_OS_WIN)
 
-    m_url = QUrl(QString("https://pub.cellframe.net/windows/cellframe-node/%1/%2/").arg(branch).arg(latest)); //todo: need branch
+    m_url = QUrl(QString("https://pub.cellframe.net/windows/cellframe-node/%1/%2").arg(branch).arg(latest)); //todo: need branch
     m_suffix =  QString(".exe");
     m_labelUrlFile = "-installer";
     m_baseUrl = QString("https://pub.cellframe.net/windows/cellframe-node/%1").arg(branch);