diff --git a/package-lock.json b/package-lock.json
index 8ba84e9276eaacb585ef65cca6d9f28ead1df8a9..0373505ada6b8277b86d9bf71810ea73ffbfdabb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,8 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
-        "leaflet": "^1.9.4"
+        "leaflet": "^1.9.4",
+        "lodash": "^4.17.21"
       },
       "devDependencies": {
         "live-server": "^1.2.2"
@@ -1008,6 +1009,11 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/lodash": {
+      "version": "4.17.21",
+      "resolved": "https://registry.npmmirror.com/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
     "node_modules/map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmmirror.com/map-cache/-/map-cache-0.2.2.tgz",
diff --git a/package.json b/package.json
index e1c658e65b7aa4262ceaf933a857a721a66acc06..8bd5a9e017f48d6f1e6ed17ebde19919a3ef65cf 100644
--- a/package.json
+++ b/package.json
@@ -3,9 +3,12 @@
   "version": "1.0.0",
   "description": "just 4 learn",
   "main": "index.js",
+  "type": "module",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "live-server ./leaflet"
+    "dev": "live-server ./leaflet",
+    "===": "test",
+    "test_js": "node ./utils/test/js/index.js"
   },
   "keywords": [
     "study"
@@ -13,7 +16,8 @@
   "author": "yemao",
   "license": "ISC",
   "dependencies": {
-    "leaflet": "^1.9.4"
+    "leaflet": "^1.9.4",
+    "lodash": "^4.17.21"
   },
   "devDependencies": {
     "live-server": "^1.2.2"
diff --git a/utils/js/object.js b/utils/js/object.js
new file mode 100644
index 0000000000000000000000000000000000000000..fa965191a06ec899103d0ef2c3312ca5f2e9d8cb
--- /dev/null
+++ b/utils/js/object.js
@@ -0,0 +1,70 @@
+/*
+1. 转换测试
+2. 编写函数
+3. 单元测试
+*/
+
+import _ from 'lodash'
+
+function snakeCaseObject(originObj) {
+  if (!_.isObject(originObj)) {
+    return originObj
+  }
+
+  const ret = {};
+
+  for (let key in originObj) {
+    let val = originObj[key]
+    // console.log(key, val)
+
+    // 将key转换为下划线方式
+    let keyNew = _.snakeCase(key)
+    ret[keyNew] = val
+  }
+
+  return ret
+}
+
+function camelCaseObject(originObj) {
+  if (!_.isObject(originObj)) {
+    return originObj
+  }
+
+  const ret = {};
+
+  for (let key in originObj) {
+    let val = originObj[key]
+    // console.log(key, val)
+
+    // 将key转换为下划线方式
+    let keyNew = _.camelCase(key)
+    ret[keyNew] = val
+  }
+
+  return ret
+}
+
+function kebabCaseObject(originObj) {
+  if (!_.isObject(originObj)) {
+    return originObj
+  }
+
+  const ret = {};
+
+  for (let key in originObj) {
+    let val = originObj[key]
+    // console.log(key, val)
+
+    // 将key转换为下划线方式
+    let keyNew = _.kebabCase(key)
+    ret[keyNew] = val
+  }
+
+  return ret
+}
+
+export {
+  camelCaseObject,
+  snakeCaseObject,
+  kebabCaseObject,
+}
\ No newline at end of file
diff --git a/utils/test/js/index.js b/utils/test/js/index.js
new file mode 100644
index 0000000000000000000000000000000000000000..c1b483942aa08641b3330b8f03f9e7bfe7d4f5d1
--- /dev/null
+++ b/utils/test/js/index.js
@@ -0,0 +1,23 @@
+import _ from 'lodash'
+import {camelCaseObject, snakeCaseObject, kebabCaseObject} from '../../js/object.js'
+
+function test() {
+  // lodash库函数测试
+  console.log(_.isObject({}))
+  console.log(_.isObject(1))
+  console.log(_.isObject(null))
+  console.log(_.camelCase('a_bc')) // aBc
+  console.log(_.snakeCase('aBc')) // a_bc
+  console.log(_.kebabCase('aBc')) // a-bc
+
+  // 单元测试
+  let obj = {aBc: 1, en: 'khz', cnNew: '华仔'}
+  let objSnake = snakeCaseObject(obj)
+  console.log(objSnake)  // { a_bc: 1, en: 'khz', cn_new: '华仔' }
+  let objCamel = camelCaseObject(objSnake)
+  console.log(objCamel)  // { aBc: 1, en: 'khz', cnNew: '华仔' }
+  let objKebab = kebabCaseObject(objSnake)
+  console.log(objKebab)  // { 'a-bc': 1, en: 'khz', 'cn-new': '华仔' }
+}
+
+test()