diff --git a/code/ts/后端辅助工具/.eslintrc.js b/code/ts/后端辅助工具/.eslintrc.js
index d6caa6d..388488c 100644
--- a/code/ts/后端辅助工具/.eslintrc.js
+++ b/code/ts/后端辅助工具/.eslintrc.js
@@ -54,5 +54,6 @@ module.exports = {
         // "comma-spacing": ["error", { "before": false, "after": true, },],
         "brace-style": ["error", "allman", { allowSingleLine: true, },],
         "@typescript-eslint/no-extra-semi": "off",
+        "prefer-const": "warn",
     },
 };
diff --git a/code/ts/后端辅助工具/package-lock.json b/code/ts/后端辅助工具/package-lock.json
index ca8290f..2ec67d8 100644
--- a/code/ts/后端辅助工具/package-lock.json
+++ b/code/ts/后端辅助工具/package-lock.json
@@ -108,7 +108,7 @@
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "5.51.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.51.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.51.0.tgz",
       "integrity": "sha512-wcAwhEWm1RgNd7dxD/o+nnLW8oH+6RK1OGnmbmkj/GGoDPV1WWMVP0FXYQBivKHdwM1pwii3bt//RC62EriIUQ==",
       "dev": true,
       "dependencies": {
@@ -126,6 +126,10 @@
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
       "peerDependencies": {
         "@typescript-eslint/parser": "^5.0.0",
         "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
@@ -138,7 +142,7 @@
     },
     "node_modules/@typescript-eslint/parser": {
       "version": "5.51.0",
-      "resolved": "https://registry.npmmirror.com/@typescript-eslint/parser/-/parser-5.51.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.51.0.tgz",
       "integrity": "sha512-fEV0R9gGmfpDeRzJXn+fGQKcl0inIeYobmmUWijZh9zA7bxJ8clPhV9up2ZQzATxAiFAECqPQyMDB4o4B81AaA==",
       "dev": true,
       "dependencies": {
@@ -150,6 +154,10 @@
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
       "peerDependencies": {
         "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
       },
@@ -499,7 +507,7 @@
     },
     "node_modules/eslint": {
       "version": "8.33.0",
-      "resolved": "https://registry.npmmirror.com/eslint/-/eslint-8.33.0.tgz",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.33.0.tgz",
       "integrity": "sha512-WjOpFQgKK8VrCnAtl8We0SUOy/oVZ5NHykyMiagV1M9r8IFpIJX7DduK6n1mpfhlG7T1NLWm2SuD8QB7KFySaA==",
       "dev": true,
       "dependencies": {
@@ -548,6 +556,9 @@
       },
       "engines": {
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/eslint"
       }
     },
     "node_modules/eslint-scope": {
diff --git a/code/ts/后端辅助工具/src/DataType/DataType.ts b/code/ts/后端辅助工具/src/DataType/DataType.ts
index 7ed655d..e898cbf 100644
--- a/code/ts/后端辅助工具/src/DataType/DataType.ts
+++ b/code/ts/后端辅助工具/src/DataType/DataType.ts
@@ -2,17 +2,24 @@
  * @Author: Kane
  * @Date: 2023-02-10 15:08:53
  * @LastEditors: Kane
- * @LastEditTime: 2023-02-10 15:15:41
+ * @LastEditTime: 2023-02-10 23:43:30
  * @FilePath: /后端辅助工具/src/DataType/DataType.ts
  * @Description: 
  * 
  * Copyright (c) ${2022} by Kane, All Rights Reserved. 
  */
-/* eslint */
+/*eslint no-unused-vars: "off" */
+/*eslint @typescript-eslint/no-unused-vars: "off" */
 
 
 //Tuple
 const tu: readonly [number, number, number] = [1, 1, 2,];
 
 const toArray: [number, number, string] = [1, 2, "3",];
-const v1: (number | string)[] = toArray;
\ No newline at end of file
+const v1: (number | string)[] = toArray;
+
+const s1 = "string";
+
+console.log(typeof s1);
+
+const obj: object = {x:0, y:0,};