diff --git a/handheld.py b/handheld.py
index 1bc3223..12154db 100644
--- a/handheld.py
+++ b/handheld.py
@@ -535,7 +535,13 @@ class Handheld(object):
                 pass
             self.getAvg(tmp_before_avg)
             self.__do_sensor_dict_interpo()
-            self.appendSave( )
+
+            # 选择追加保存， 一个Lsky 可能多组文件，只能单独保存为 Lsky  Esky ..Rs
+            # self.appendSave() 
+            self.getLwRs()
+            self.checkAndSaveData( )
+            path_info_txt = self.output_path.joinpath( "info.txt" )      
+            self.save_dict_to_file( self.info_dict, path_info_txt ) 
  
 
     def dealOneGroup(self,  ):
@@ -766,11 +772,15 @@ class Handheld(object):
             self.newFileByFunc( self.device_enum(1).name )
             self.newFileByFunc( self.device_enum(2).name )
             self.newFileByFunc( self.device_enum(3).name )
+            self.newFileByFunc( self.device_enum(4).name )
+            self.newFileByFunc( self.device_enum(5).name )
             pass
 
         self.appendFileByFunc( self.device_enum(1).name )
         self.appendFileByFunc( self.device_enum(2).name )
         self.appendFileByFunc( self.device_enum(3).name )
+        self.appendFileByFunc( self.device_enum(4).name )
+        self.appendFileByFunc( self.device_enum(5).name )
 
     def newFileByFunc(self, func:str) -> None:
         self.mydir.newFileIfNot( func+SAVE_EXT_NAME)
@@ -796,6 +806,17 @@ class Handheld(object):
     def clearRes(self, ) -> None:
         self.res = {  }
 
+    def getLwRs(self, ) -> bool:
+        """
+        并计算Lw  Rs并保存
+        """
+        Lw = self.res["Lwater"] - ROWFACTOR * self.res["Lsky"]
+        self.res.update({ self.device_enum(4).name : Lw })
+        Rs = self.res["Lw"] / self.res["Esky"]
+        self.res.update({ self.device_enum(5).name : Rs })
+  
+        return True
+
     def getLwRsAndSave(self, ) -> bool:
         """
         并计算Lw  Rs并保存