diff --git "a/\346\240\221\345\222\214\344\272\214\345\217\211\346\240\221/main.cpp" "b/\346\240\221\345\222\214\344\272\214\345\217\211\346\240\221/main.cpp"
index b0dc5155de01c63fbc175fbb0a44f5fb55130450..f1792d8e257b3bed8fe91327041e5ec46bf23418 100644
--- "a/\346\240\221\345\222\214\344\272\214\345\217\211\346\240\221/main.cpp"
+++ "b/\346\240\221\345\222\214\344\272\214\345\217\211\346\240\221/main.cpp"
@@ -10,7 +10,6 @@ int main()
     //In order:DEBAGFCH
     //Post order:EDBGFHCA
 
-    /*
     cout << "Input ebt:" << endl;
     //CreatBiTree_Rec(root);
     CreatBiTree_Loop(root);
@@ -32,7 +31,7 @@ int main()
     cout << endl;
     DisplayBiTree(root, Post);
     cout << endl;
-*/
+
     UnionPreIn("ABDECFGH", "DEBAGFCH", root);
     cout << endl;
     DisplayBiTree(root, Pre);