diff --git a/icartt/dataset.py b/icartt/dataset.py
index 2a7380ec20fecacbb4a6a113e3e333b2b7d334e0..c46c5b20d1e0d834c3e7d31aa85318d90cde69fa 100644
--- a/icartt/dataset.py
+++ b/icartt/dataset.py
@@ -1,5 +1,6 @@
 import datetime
 import sys
+import pathlib
 import collections
 import re
 import warnings
@@ -788,7 +789,7 @@ class Dataset:
 
         # read data if f is not None
         if f is not None:
-            if isinstance(f, str):
+            if isinstance(f, (str, pathlib.Path)):
                 self.inputFhandle = open(f, 'r')
             else:
                 self.inputFhandle = f