diff --git a/src/appproxy.cpp b/src/appproxy.cpp
index 5c17a8a..061ff6a 100644
--- a/src/appproxy.cpp
+++ b/src/appproxy.cpp
@@ -269,6 +269,10 @@ void AppProxy::setAutoStart(bool autoStart) {
       fileContent = srcFile.readAll();
       srcFile.close();
     }
+    QFileInfo dstFileInfo(dstFile);
+    if (!dstFileInfo.dir().exists()) {
+      dstFileInfo.dir().mkpath(".");
+    }
     if (dstFile.open(QIODevice::WriteOnly)) {
       dstFile.write(fileContent.arg(APP_PATH).toUtf8());
       dstFile.close();
@@ -712,7 +716,6 @@ void AppProxy::returnLatestRelease(QString name, QString version) {
   }
   latestVersion[name]["checkTime"]     = QDateTime::currentDateTime();
   latestVersion[name]["latestVersion"] = version;
-  qDebug() << version;
   emit latestReleaseReady(name, version);
 }
 
diff --git a/src/v2raycore.cpp b/src/v2raycore.cpp
index c96dd4e..e2c1749 100644
--- a/src/v2raycore.cpp
+++ b/src/v2raycore.cpp
@@ -17,8 +17,8 @@ V2RayCore::V2RayCore() {
   v2RayExecFilePath    = QDir(v2RayInstallFolderPath).filePath("v2ray.exe");
   v2RayCtlExecFilePath = QDir(v2RayInstallFolderPath).filePath("v2ctl.exe");
 #elif defined(Q_OS_LINUX) or defined(Q_OS_MAC)
-  v2RayExecFilePath       = QDir(v2RayInstallFolderPath).filePath("v2ray");
-  v2RayCtlExecFilePath    = QDir(v2RayInstallFolderPath).filePath("v2ctl");
+  v2RayExecFilePath    = QDir(v2RayInstallFolderPath).filePath("v2ray");
+  v2RayCtlExecFilePath = QDir(v2RayInstallFolderPath).filePath("v2ctl");
 #endif
   QDir v2RayInstallFolder(v2RayInstallFolderPath);
   // Create the install folder if not exists
@@ -97,20 +97,4 @@ bool V2RayCore::isRunning() {
   return v2rayProcess->state() == QProcess::Running;
 }
 
-bool V2RayCore::isUpgradable() { return V2RAY_USE_LOCAL_INSTALL; }
-
 bool V2RayCore::isInstalled() { return QFile(v2RayExecFilePath).exists(); }
-
-bool V2RayCore::upgrade(const QString& version, const QNetworkProxy* proxy) {
-#if defined(Q_OS_WIN)
-  QString operatingSystem = "windows-64";
-#elif defined(Q_OS_LINUX)
-  QString operatingSystem = "linux-64";
-#elif defined(Q_OS_MAC)
-  QString operatingSystem = "macos";
-#else
-  QString operatingSystem = "unknown";
-#endif
-  QString assetsUrl = QString(V2RAY_ASSETS_URL).arg(version, operatingSystem);
-  return false;
-}
diff --git a/src/v2raycore.h b/src/v2raycore.h
index 86bdbbb..b6a4e64 100644
--- a/src/v2raycore.h
+++ b/src/v2raycore.h
@@ -14,11 +14,9 @@ class V2RayCore : public QObject {
   ~V2RayCore();
   QString getVersion();
   bool isRunning();
-  bool isUpgradable();
   bool start();
   bool stop();
   bool restart();
-  bool upgrade(const QString& version, const QNetworkProxy* proxy = nullptr);
 
  private:
   V2RayCore();