diff --git a/awrams.py b/awrams.py
index fac0791..7c2818e 100644
--- a/awrams.py
+++ b/awrams.py
@@ -519,6 +519,13 @@ class Handheld(object):
     def save_handheld(self, mode=0):
         ''' 保存到五个文件  Lsky  Esky Lwater Lw Rs  '''
         pth = DATA_DIR
+        pth = pth.joinpath("output",
+                self.data.info_frame.year+"_"+self.data.info_frame.month+"_"
+                +self.data.info_frame.day+"_"+self.data.info_frame.hour+"_"
+                +self.data.info_frame.minute+"_"+self.data.info_frame.second
+                           )
+        if not pth.exists():
+            pth.mkdir(parents=True)
         header = str(self.deviceid) + TOKEN  + self.list2str(list(self.newWavelength)) 
         
         Lsky_fpath = pth.joinpath( "Lsky"+SAVE_EXT_NAME )