diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 6d5a99ac..daaa2d0d 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -270,7 +270,8 @@ void CPhoneDevice::SetRecognizationCfg(const IDevice::CFG_RECOGNIZATION* pRecogn
         // TODO
         std::string paramFile = m_appPath + (APP_PATH_RECOG_PARAM);
         std::string binFile = m_appPath + (APP_PATH_RECOG_BIN);
-        if (existsFile(paramFile) || !existsFile(binFile))
+        std::error_code err;
+        if (!existsFile(paramFile) || !existsFile(binFile) || fs::is_directory(fs::path(paramFile), err) || fs::is_directory(fs::path(binFile), err))
         {
             XYLOG(XYLOG_SEVERITY_WARNING, "AI Config Files are invalid");
         }