diff --git a/navi-alfred/src/main/java/com/navi/alfred/utils/NetworkUtils.kt b/navi-alfred/src/main/java/com/navi/alfred/utils/NetworkUtils.kt
index a77016c..c4133fa 100644
--- a/navi-alfred/src/main/java/com/navi/alfred/utils/NetworkUtils.kt
+++ b/navi-alfred/src/main/java/com/navi/alfred/utils/NetworkUtils.kt
@@ -42,12 +42,13 @@ internal fun handleException(e: Throwable): ErrorMessage {
 internal fun isNetworkAvailable(): Boolean {
     val connectivityManager =
         AlfredManager.applicationContext.getSystemService(Context.CONNECTIVITY_SERVICE)
-            as ConnectivityManager
-    val network = connectivityManager.activeNetwork ?: return false
+            as? ConnectivityManager
+    val network = connectivityManager?.activeNetwork ?: return false
     val activeNetwork = connectivityManager.getNetworkCapabilities(network) ?: return false
     return when {
         activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) -> true
         activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) -> true
+        activeNetwork.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET) -> true
         else -> false
     }
 }