diff --git a/src/device/DeviceManager.cpp b/src/device/DeviceManager.cpp
index 32c555f..ab7e213 100644
--- a/src/device/DeviceManager.cpp
+++ b/src/device/DeviceManager.cpp
@@ -317,6 +317,7 @@ void DeviceManager::startScan(const QString& json, bool empty)
     {
         QString errMsg(empty ? tr("Device is not ready, start empty scan operation failed!") : tr("Device is not ready, start scan operation failed!"));
         THROW_ERROR(errMsg);
+        TRIGGER_EVENT(StopScanProcess, nullptr, nullptr);
         return;
     }
     AppGlobalValues::setEmptyScanFlag(empty);