diff --git a/include/dfm-io/dfm-io/error/en.h b/include/dfm-io/dfm-io/error/en.h
index a140a45..bc4c5b8 100644
--- a/include/dfm-io/dfm-io/error/en.h
+++ b/include/dfm-io/dfm-io/error/en.h
@@ -66,6 +66,7 @@ enum DFMIOErrorCode {
     DFM_IO_ERROR_OPEN_FLAG_ERROR,   // File open flag is error
     DFM_IO_ERROR_INFO_NO_ATTRIBUTE,   // File info has no attribute
     DFM_IO_ERROR_FTS_OPEN,   // open file by fts failed
+    DFM_IO_ERROR_HOST_IS_DOWN, // remote server maybe down
 };
 
 inline const QString GetError_En(DFMIOErrorCode errorCode)
@@ -179,6 +180,8 @@ inline const QString GetError_En(DFMIOErrorCode errorCode)
         return QObject::tr("open file by fts failed");
     case DFM_IO_ERROR_USER_FAILED:
         return QString();
+    case DFM_IO_ERROR_HOST_IS_DOWN:
+        return QObject::tr("Host is down");
     }
 
     return QString("Unknown error");
diff --git a/src/dfm-io/dfm-io/dfileinfo.cpp b/src/dfm-io/dfm-io/dfileinfo.cpp
index 66a8bc5..f169efa 100644
--- a/src/dfm-io/dfm-io/dfileinfo.cpp
+++ b/src/dfm-io/dfm-io/dfileinfo.cpp
@@ -216,6 +216,14 @@ void DFileInfoPrivate::setErrorFromGError(GError *gerror)
 {
     if (!gerror)
         return;
+
+    if (g_error_matches(gerror, G_IO_ERROR,G_IO_ERROR_FAILED) &&
+            QString(gerror->message).contains(strerror(EHOSTDOWN))) {
+        error.setCode(DFMIOErrorCode::DFM_IO_ERROR_HOST_IS_DOWN);
+        error.setMessage(gerror->message);
+        return;
+    }
+
     error.setCode(DFMIOErrorCode(gerror->code));
     if (error.code() == DFMIOErrorCode::DFM_IO_ERROR_FAILED)
         error.setMessage(gerror->message);