diff --git a/Leetcode/Pathsum.cpp b/Leetcode/Pathsum.cpp
index dbc50a4..76b3bfc 100644
--- a/Leetcode/Pathsum.cpp
+++ b/Leetcode/Pathsum.cpp
@@ -5,15 +5,12 @@ class Solution {
             return false; 
         }
         pres_sum+=root->val; 
-        if(root->left == NULL and root->right == NULL){
+        if(root->left == NULL && root->right == NULL){
             return pres_sum == targetSum; 
         }
         return havingPathSum(root->left,targetSum,pres_sum) || havingPathSum(root->right,targetSum,pres_sum);
     }
     bool hasPathSum(TreeNode* root, int targetSum) {
-        if(root == NULL){
-            return false;
-        }
         return havingPathSum(root,targetSum,0); 
         
     }