diff --git a/icartt/dataset.py b/icartt/dataset.py
index 51b14abec7225727055ff06095e0658470177ecd..6a7cee25938f6d51fc8b4d2aa8341ade9384524d 100644
--- a/icartt/dataset.py
+++ b/icartt/dataset.py
@@ -523,12 +523,12 @@ class Dataset:
         self.SCOM         = []
         self.NCOM         = []
         
-        self.data         = Container_1001([])
-        
         # for 2210
         self.IBVAR        = None
         self.AUXVARS      = {}
-        
+
+        self.data         = Container_1001([], IVAR=self.IVAR, IBVAR=self.IBVAR, AUXVARS=self.AUXVARS, DVARS=self.DVARS)
+                
         self.splitChar    = splitChar
         
         # Standard v2.0 for normal comments requires all keywords present,