diff --git a/README.md b/README.md
index ad7d392..cb701c4 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,6 @@ So,if you wannt to view the notes which contain latex math formulas and are in m
         * [polynomial.cpp](./dataStructure/polynomial.cpp)
         * [polynomial.py](./dataStructure/polynomial.py)
         * [redBlackTree.py](./dataStructure/redBlackTree.py)
-        * [redBlackTree0.py](./dataStructure/redBlackTree0.py)
         * [splayTree.py](./dataStructure/splayTree.py)
         * [trie.py](./dataStructure/trie.py)
         * [winnerTree.py](./dataStructure/winnerTree.py)
@@ -65,7 +64,6 @@ So,if you wannt to view the notes which contain latex math formulas and are in m
         * [testVec2d.hs](./dynamicProgramming/testVec2d.hs)
         * [Vec2d.hs](./dynamicProgramming/Vec2d.hs)
     * [math](./math)
-        * [a.out](./math/a.out)
         * [arrangement.c](./math/arrangement.c)
         * [cantor.c](./math/cantor.c)
         * [isPrime.py](./math/isPrime.py)
@@ -84,75 +82,3 @@ So,if you wannt to view the notes which contain latex math formulas and are in m
     * [string](./string)
         * [manacher.py](./string/manacher.py)
         * [markov.py](./string/markov.py)
-        * [sunday.py](./string/sunday.py)* [.](.)
-    * [computationalMethod](./computationalMethod)
-        * [interplotion.py](./computationalMethod/interplotion.py)
-        * [iteration.py](./computationalMethod/iteration.py)
-        * [least_square.py](./computationalMethod/least_square.py)
-        * [linear_equation.py](./computationalMethod/linear_equation.py)
-        * [numerical_differential.py](./computationalMethod/numerical_differential.py)
-        * [numerical_integration.py](./computationalMethod/numerical_integration.py)
-        * [README.md](./computationalMethod/README.md)
-        * [solve-linear-by-iteration.py](./computationalMethod/solve-linear-by-iteration.py)
-        * [tongyu_equation.py](./computationalMethod/tongyu_equation.py)
-        * [vector_norm.py](./computationalMethod/vector_norm.py)
-    * [dataStructure](./dataStructure)
-        * [allOone](./dataStructure/allOone)
-        * [binaryHeap.py](./dataStructure/binaryHeap.py)
-        * [binaryTree.py](./dataStructure/binaryTree.py)
-        * [bTree.py](./dataStructure/bTree.py)
-        * [graph](./dataStructure/graph)
-        * [hashTable.py](./dataStructure/hashTable.py)
-        * [huffman](./dataStructure/huffman)
-        * [intervalTree.py](./dataStructure/intervalTree.py)
-        * [leftHeap.py](./dataStructure/leftHeap.py)
-        * [loserTree.py](./dataStructure/loserTree.py)
-        * [map.cc](./dataStructure/map.cc)
-        * [polynomial.cpp](./dataStructure/polynomial.cpp)
-        * [polynomial.py](./dataStructure/polynomial.py)
-        * [redBlackTree.py](./dataStructure/redBlackTree.py)
-        * [redBlackTree0.py](./dataStructure/redBlackTree0.py)
-        * [splayTree.py](./dataStructure/splayTree.py)
-        * [trie.py](./dataStructure/trie.py)
-        * [winnerTree.py](./dataStructure/winnerTree.py)
-    * [divideAndConquer](./divideAndConquer)
-        * [min_distance_of_n_points.py](./divideAndConquer/min_distance_of_n_points.py)
-    * [docs](./docs)
-        * [algorithm-general.md](./docs/algorithm-general.md)
-        * [b-tree.md](./docs/b-tree.md)
-        * [fib-heap.md](./docs/fib-heap.md)
-        * [graph.md](./docs/graph.md)
-        * [hashTable.md](./docs/hashTable.md)
-        * [README.md](./docs/README.md)
-        * [red-black-tree.md](./docs/red-black-tree.md)
-        * [sort.md](./docs/sort.md)
-        * [tree.md](./docs/tree.md)
-    * [dynamicProgramming](./dynamicProgramming)
-        * [lcs.hs](./dynamicProgramming/lcs.hs)
-        * [lcs.py](./dynamicProgramming/lcs.py)
-        * [matrixChainMultiply.py](./dynamicProgramming/matrixChainMultiply.py)
-        * [splitStripe.hs](./dynamicProgramming/splitStripe.hs)
-        * [splitStripe.py](./dynamicProgramming/splitStripe.py)
-        * [testVec2d.hs](./dynamicProgramming/testVec2d.hs)
-        * [Vec2d.hs](./dynamicProgramming/Vec2d.hs)
-    * [math](./math)
-        * [a.out](./math/a.out)
-        * [arrangement.c](./math/arrangement.c)
-        * [cantor.c](./math/cantor.c)
-        * [isPrime.py](./math/isPrime.py)
-        * [num_weight.py](./math/num_weight.py)
-    * [README.md](./README.md)
-    * [search](./search)
-        * [8Astar.py](./search/8Astar.py)
-        * [bloomFilter.py](./search/bloomFilter.py)
-    * [sort](./sort)
-        * [binaryTree.py](./sort/binaryTree.py)
-        * [heapSort.py](./sort/heapSort.py)
-        * [quickSort.py](./sort/quickSort.py)
-        * [radixSort.py](./sort/radixSort.py)
-        * [select.py](./sort/select.py)
-        * [shellSort.py](./sort/shellSort.py)
-    * [string](./string)
-        * [manacher.py](./string/manacher.py)
-        * [markov.py](./string/markov.py)
-        * [sunday.py](./string/sunday.py)