diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2dedf20..66cfbae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,10 +8,11 @@ All notable changes to this project will be documented in this file.
 - [Semantic Versioning](https://semver.org/spec/v2.0.0.html)
 - [`auto-changelog`](https://github.com/CookPete/auto-changelog)
 
-## [v1.36.0](https://github.com/zrwusa/data-structure-typed/compare/v1.35.0...main) (upcoming)
+## [v1.36.3](https://github.com/zrwusa/data-structure-typed/compare/v1.35.0...main) (upcoming)
 
 ### Changes
 
+- [binary-tree, graph] In order to optimize the design of Binary Trees,… [`#7`](https://github.com/zrwusa/data-structure-typed/pull/7)
 - [BinaryTree, Heap] In abstract classes, only retain abstract methods.… [`#6`](https://github.com/zrwusa/data-structure-typed/pull/6)
 - [heap] test [`#5`](https://github.com/zrwusa/data-structure-typed/pull/5)
 - [heap, priority queue] Heap improved. References #123: redesigned [`#4`](https://github.com/zrwusa/data-structure-typed/pull/4)
diff --git a/README.md b/README.md
index 4659b7e..3fb1e3c 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ Floyd-Warshall Algorithm, Tarjan's Algorithm.
 ### npm
 
 ```bash
-npm i data-structure-typed
+npm i data-structure-typed --save
 ```
 
 ### yarn
diff --git a/package-lock.json b/package-lock.json
index 07ab2f7..59cada5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "data-structure-typed",
-  "version": "1.36.0",
+  "version": "1.36.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "data-structure-typed",
-      "version": "1.36.0",
+      "version": "1.36.3",
       "license": "MIT",
       "devDependencies": {
         "@types/benchmark": "^2.1.3",
@@ -15,17 +15,17 @@
         "@typescript-eslint/eslint-plugin": "^6.7.4",
         "@typescript-eslint/parser": "^6.7.4",
         "auto-changelog": "^2.4.0",
-        "avl-tree-typed": "^1.36.0",
+        "avl-tree-typed": "^1.36.2",
         "benchmark": "^2.1.4",
-        "binary-tree-typed": "^1.36.0",
-        "bst-typed": "^1.36.0",
+        "binary-tree-typed": "^1.36.2",
+        "bst-typed": "^1.36.2",
         "dependency-cruiser": "^14.1.0",
         "eslint": "^8.50.0",
         "eslint-config-prettier": "^9.0.0",
         "eslint-import-resolver-alias": "^1.1.2",
         "eslint-import-resolver-typescript": "^3.6.1",
         "eslint-plugin-import": "^2.28.1",
-        "heap-typed": "^1.35.1",
+        "heap-typed": "^1.36.2",
         "istanbul-badges-readme": "^1.8.5",
         "jest": "^29.7.0",
         "prettier": "^3.0.3",
@@ -2396,12 +2396,12 @@
       }
     },
     "node_modules/avl-tree-typed": {
-      "version": "1.36.0",
-      "resolved": "https://registry.npmjs.org/avl-tree-typed/-/avl-tree-typed-1.36.0.tgz",
-      "integrity": "sha512-tM2hwYWvykohYKtWt9k6dEmRpVY++7mh6iT65whkjTmq0QSdZoE0ItFeXAAZklYrg5AU/OyYw3i7LVg8Qc59sQ==",
+      "version": "1.36.2",
+      "resolved": "https://registry.npmjs.org/avl-tree-typed/-/avl-tree-typed-1.36.2.tgz",
+      "integrity": "sha512-ubkJv3nqKcmov5NahMfgM0UIGdHKjQwPmrUW0++c3rWB3MeDyb83NaQcaWRtVIOsI8lcaTWsRxBCRLR0FUiQJA==",
       "dev": true,
       "dependencies": {
-        "data-structure-typed": "^1.36.0"
+        "data-structure-typed": "^1.36.2"
       }
     },
     "node_modules/babel-jest": {
@@ -2586,12 +2586,12 @@
       }
     },
     "node_modules/binary-tree-typed": {
-      "version": "1.36.0",
-      "resolved": "https://registry.npmjs.org/binary-tree-typed/-/binary-tree-typed-1.36.0.tgz",
-      "integrity": "sha512-cp79hqiIjyg6g7OniQAK6lwmP134i5pmW3GBdZkgfKy56FkKmrVNGWtgWpiIABHHrCanhibTm4lJunJEuCwaxA==",
+      "version": "1.36.2",
+      "resolved": "https://registry.npmjs.org/binary-tree-typed/-/binary-tree-typed-1.36.2.tgz",
+      "integrity": "sha512-hPhD0dDU68gChqBwzboFSQaUvnlWdF/o7dIC+OnVf0CgWN+9PtRX4ZKDkf3LycSTJ1hq+n0R5Oqpl5qEIqWnXw==",
       "dev": true,
       "dependencies": {
-        "data-structure-typed": "^1.36.0"
+        "data-structure-typed": "^1.36.2"
       }
     },
     "node_modules/brace-expansion": {
@@ -2670,12 +2670,12 @@
       }
     },
     "node_modules/bst-typed": {
-      "version": "1.36.0",
-      "resolved": "https://registry.npmjs.org/bst-typed/-/bst-typed-1.36.0.tgz",
-      "integrity": "sha512-tQ/YABarJL6CykZ3Yn2h45fIYi4SMAWrJjS9ilyZIEIgFoznG64CYYB6LNKinAGwgv1gTm4Rzh6ZwLGgexBIPw==",
+      "version": "1.36.2",
+      "resolved": "https://registry.npmjs.org/bst-typed/-/bst-typed-1.36.2.tgz",
+      "integrity": "sha512-/NTj4zVZEktkNLu8JIjpG8ufv02RrwnAv4detVZ3qtF4M5KTPtAxpNmYXt4Ou/prLraox949rpVxnELsNP5otA==",
       "dev": true,
       "dependencies": {
-        "data-structure-typed": "^1.36.0"
+        "data-structure-typed": "^1.36.2"
       }
     },
     "node_modules/buffer-from": {
@@ -3027,9 +3027,9 @@
       }
     },
     "node_modules/data-structure-typed": {
-      "version": "1.36.0",
-      "resolved": "https://registry.npmjs.org/data-structure-typed/-/data-structure-typed-1.36.0.tgz",
-      "integrity": "sha512-dOpH8lXAuz2eMNx2miSUywkOMsn8ydcKMNbu/svMpHUGGvpSWRwSeXsg+Rg5JYfT6+ddLR+HaTCbWlAuG+zMjw==",
+      "version": "1.36.2",
+      "resolved": "https://registry.npmjs.org/data-structure-typed/-/data-structure-typed-1.36.2.tgz",
+      "integrity": "sha512-uHvKBTCb8QXTTi3kOszsaTZjrDbH/PZ4OrYdb+PdoKgzAdmTjMG2UCCv+ZE+zxG5ra7y4ttFylMh67k+7Zbc0A==",
       "dev": true
     },
     "node_modules/debug": {
@@ -4362,12 +4362,12 @@
       }
     },
     "node_modules/heap-typed": {
-      "version": "1.35.1",
-      "resolved": "https://registry.npmjs.org/heap-typed/-/heap-typed-1.35.1.tgz",
-      "integrity": "sha512-Z8CGPftOZG9PKGsAPS2n5YjcNe2Q6hcFBhVeCMXC2UxZ9AptMU2ct8/xswPdGSypcI3AuPp9pyTZt2N8FoitYw==",
+      "version": "1.36.2",
+      "resolved": "https://registry.npmjs.org/heap-typed/-/heap-typed-1.36.2.tgz",
+      "integrity": "sha512-sc6dqpEe2ZqbS8Pk8oH1xqTPLp+QDaRKdzMgLrTP4SiizcgmQaX5fnQXCCufcYO/ruxcHRnpQYdN8JgmO3RXTQ==",
       "dev": true,
       "dependencies": {
-        "data-structure-typed": "^1.35.1"
+        "data-structure-typed": "^1.36.2"
       }
     },
     "node_modules/html-escaper": {
diff --git a/package.json b/package.json
index 2088dec..91e3ff2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "data-structure-typed",
-  "version": "1.36.2",
+  "version": "1.36.3",
   "description": "Data Structures of Javascript & TypeScript. Binary Tree, BST, Graph, Heap, Priority Queue, Linked List, Queue, Deque, Stack, AVL Tree, Tree Multiset, Trie, Directed Graph, Undirected Graph, Singly Linked List, Doubly Linked List, Max Heap, Max Priority Queue, Min Heap, Min Priority Queue.",
   "main": "dist/index.js",
   "module": "lib/index.js",
@@ -54,17 +54,17 @@
     "@typescript-eslint/eslint-plugin": "^6.7.4",
     "@typescript-eslint/parser": "^6.7.4",
     "auto-changelog": "^2.4.0",
-    "avl-tree-typed": "^1.36.0",
+    "avl-tree-typed": "^1.36.2",
     "benchmark": "^2.1.4",
-    "binary-tree-typed": "^1.36.0",
-    "bst-typed": "^1.36.0",
+    "binary-tree-typed": "^1.36.2",
+    "bst-typed": "^1.36.2",
     "dependency-cruiser": "^14.1.0",
     "eslint": "^8.50.0",
     "eslint-config-prettier": "^9.0.0",
     "eslint-import-resolver-alias": "^1.1.2",
     "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-import": "^2.28.1",
-    "heap-typed": "^1.35.1",
+    "heap-typed": "^1.36.2",
     "istanbul-badges-readme": "^1.8.5",
     "jest": "^29.7.0",
     "prettier": "^3.0.3",