diff --git a/Core/CoreTraidMath.py b/Core/CoreTraidMath.py
index e77ff96..71e5e7b 100644
--- a/Core/CoreTraidMath.py
+++ b/Core/CoreTraidMath.py
@@ -29,13 +29,6 @@ class CoreMath:
     
     def __init__(self, base_df, params={
         'dataType':'ohcl',
-        'colName':{
-            'open':'open',
-            'close':'close',
-            'high':'high',
-            'low':'low',
-            'date':'date'
-        },
         'action': None,
         'actionOptions':{}
     }
@@ -44,7 +37,7 @@ class CoreMath:
         self.base_df=base_df.reset_index(drop=True)
         self.params=params
         if self.params['dataType']=='ohcl':
-            self.col=self.base_df[self.params['colName'][self.params['actionOptions']['valueType']]]
+            self.col=self.base_df[[self.params['actionOptions']['valueType']]]
         elif self.params['dataType']=='series':
             self.col=self.base_df
         self.ans=self.getAns()
@@ -121,4 +114,5 @@ class CoreMath:
         
         
         return(ans)
-        
\ No newline at end of file
+        
+