diff --git a/packages/fighting-design/_utils/utils/__test__/utils.spec.ts b/packages/fighting-design/_utils/utils/__test__/utils.spec.ts
index f4213063ec..20fdf2cb83 100644
--- a/packages/fighting-design/_utils/utils/__test__/utils.spec.ts
+++ b/packages/fighting-design/_utils/utils/__test__/utils.spec.ts
@@ -1,10 +1,11 @@
 import { expect, test } from 'vitest'
-import { financial, zeroPad, convertSize, sizeToNum } from '..'
+import { financial, zeroPad, convertSize, sizeToNum, convertFormat, splitString } from '..'
 
 test('financial', () => {
   expect(financial(1.2222)).toBe(1.22)
   expect(financial(1.2222, 1)).toBe(1.2)
   expect(financial(1.2222, 10)).toBe(1.2222)
+  expect(financial(1.2222, 0.1)).toBe(1)
 })
 
 test('zeroPad', () => {
@@ -12,6 +13,7 @@ test('zeroPad', () => {
   expect(zeroPad(2)).toBe('02')
   expect(zeroPad(4)).toBe('04')
   expect(zeroPad(NaN)).toBe('00')
+  expect(zeroPad(4)).toBe('04')
 })
 
 test('convertSize', () => {
@@ -34,3 +36,15 @@ test('sizeToNum', () => {
   expect(sizeToNum('12px12')).toBe(12)
   expect(sizeToNum('abc')).toBe(0)
 })
+
+test('convertFormat', () => {
+  expect(convertFormat('HelloAreYouOk')).toBe('hello-are-you-ok')
+  expect(convertFormat('')).toBe('')
+  expect(convertFormat('123')).toBe('123')
+  expect(convertFormat('helloAreYouOk')).toBe('hello-are-you-ok')
+})
+
+test('splitString', () => {
+  expect(splitString('1,2,3', ',')).toStrictEqual(['1', '2', '3'])
+  expect(splitString('', ',')).toStrictEqual([])
+})
diff --git a/packages/fighting-design/_utils/utils/index.ts b/packages/fighting-design/_utils/utils/index.ts
index e66c1638b0..bde2f6160f 100644
--- a/packages/fighting-design/_utils/utils/index.ts
+++ b/packages/fighting-design/_utils/utils/index.ts
@@ -102,6 +102,8 @@ export const sizeToNum = (size: string | number): number => {
   return isNumber(parse) ? parse : 0
 }
 
+const convertFormatRegExp = /([A-Z])/g
+
 /**
  * 驼峰命名转换为短横线命名
  *
@@ -111,8 +113,13 @@ export const sizeToNum = (size: string | number): number => {
  * @returns { string } 短横线命名
  */
 export const convertFormat = (str: string): string => {
-  return str.replace(/([A-Z])/g, (match: string, p1: string): string => {
-    return '-' + p1.toLowerCase()
+  return str.replace(convertFormatRegExp, (_: string, p1: string, offset: number): string => {
+    // 判断是否为首字母
+    if (offset === 0) {
+      return p1.toLowerCase()
+    } else {
+      return '-' + p1.toLowerCase()
+    }
   })
 }