diff --git a/kman.py b/kman.py
index 0092223..b6cee16 100644
--- a/kman.py
+++ b/kman.py
@@ -571,15 +571,24 @@ class kMan:
         # not test for windows & linux
         with subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, \
                 stderr=subprocess.PIPE, bufsize=-1) as s:
-            stream_stdout = io.TextIOWrapper(s.stdout, encoding='utf-8')
-            stream_stderr = io.TextIOWrapper(s.stderr, encoding='utf-8')
+            #Windows:
+            #    UnicodeDecodeError: 'utf-8' codec can't decode byte 0xd0 in position 48:
+            #    invalid continuation byte
+            #stream_stdout = io.TextIOWrapper(s.stdout, encoding='utf-8')
+            #stream_stderr = io.TextIOWrapper(s.stderr, encoding='utf-8')
+            stream_stdout = io.TextIOWrapper(s.stdout, encoding='GBK')
+            stream_stderr = io.TextIOWrapper(s.stderr, encoding='GBK')
             sout = str(stream_stdout.read())
             #serr = str(stream_stderr.read())
             #if sout: print('stdout {}'.format(sout))
             #if serr: print('stderr {}'.format(serr))
+            print('os.name {} sout {}'.format(os.name,sout))
             if os.name == 'nt':  # windows
                 for d in sout.split('\n'):
-                    if 'Kindle' in d: return d.split('\s+')[0]
+                    if 'Kindle' in d:
+                        p = re.split(r'\s+',d)[0]
+                        print('path {}'.format(p))
+                        return p
             elif os.name == 'posix':  # mac os
                 if sout: return('/Volumes/Kindle/')
             else: