diff --git a/frontend/src/utils/replaceAllKeys.js b/frontend/src/utils/replaceAllKeys.js
index bb8ddb1e..543d84cf 100644
--- a/frontend/src/utils/replaceAllKeys.js
+++ b/frontend/src/utils/replaceAllKeys.js
@@ -10,5 +10,4 @@
 export function replaceAllKeys(target, values) {
   Object.keys(target).forEach(key => { delete target[key] })
   Object.assign(target, values)
-  return target
 }
diff --git a/frontend/src/utils/replaceAllKeys.test.js b/frontend/src/utils/replaceAllKeys.test.js
index 0bca2b92..ae3afcd2 100644
--- a/frontend/src/utils/replaceAllKeys.test.js
+++ b/frontend/src/utils/replaceAllKeys.test.js
@@ -42,10 +42,4 @@ describe('replaceAllKeys', () => {
     expect(form.code).toBe('B')
     expect(form.status).toBe('active')
   })
-
-  test('返回 target，便于链式书写', () => {
-    const form = {}
-
-    expect(replaceAllKeys(form, { code: 'A' })).toBe(form)
-  })
 })