diff --git a/theme/src/node/utils/index.ts b/theme/src/node/utils/index.ts
index 6575b1e9..05b34926 100644
--- a/theme/src/node/utils/index.ts
+++ b/theme/src/node/utils/index.ts
@@ -3,7 +3,6 @@ export * from './createFsCache.js'
 export * from './hash.js'
 export * from './interopDefault.js'
 export * from './logger.js'
-export * from './omit.js'
 export * from './package.js'
 export * from './path.js'
 export * from './resolveContent.js'
diff --git a/theme/src/node/utils/interopDefault.ts b/theme/src/node/utils/interopDefault.ts
index 5be4386c..57b062cc 100644
--- a/theme/src/node/utils/interopDefault.ts
+++ b/theme/src/node/utils/interopDefault.ts
@@ -1,4 +1,4 @@
-export type Awaitable<T> = T | Promise<T>
+import type { Awaitable } from '@pengzhanbo/utils'
 
 export async function interopDefault<T>(m: Awaitable<T>): Promise<T extends { default: infer U } ? U : T> {
   const resolved = await m
diff --git a/theme/src/node/utils/omit.ts b/theme/src/node/utils/omit.ts
deleted file mode 100644
index 878c7c6d..00000000
--- a/theme/src/node/utils/omit.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-export function omit<
-  T extends Record<string, any> = Record<string, any>,
->(obj: T, ...attrs: (keyof T)[]): Omit<T, keyof T> {
-  const res = {} as T
-
-  for (const key in obj) {
-    if (!attrs.includes(key)) {
-      res[key] = obj[key]
-    }
-  }
-  return res
-}
diff --git a/theme/src/node/utils/package.ts b/theme/src/node/utils/package.ts
index 16292696..5cf80992 100644
--- a/theme/src/node/utils/package.ts
+++ b/theme/src/node/utils/package.ts
@@ -2,22 +2,19 @@ import process from 'node:process'
 import { fs, path } from 'vuepress/utils'
 import { resolve } from './path.js'
 
-export function getPackage() {
-  let pkg = {} as any
+export function readJsonFileAsync<T extends Record<string, any> = Record<string, any>>(filePath: string): T {
   try {
-    const content = fs.readFileSync(path.join(process.cwd(), 'package.json'), 'utf-8')
-    pkg = JSON.parse(content)
+    const content = fs.readFileSync(filePath, 'utf-8')
+    return JSON.parse(content)
   }
-  catch { }
-  return pkg
+  catch {}
+  return {} as T
+}
+
+export function getPackage() {
+  return readJsonFileAsync(path.join(process.cwd(), 'package.json'))
 }
 
 export function getThemePackage() {
-  let pkg = {} as any
-  try {
-    const content = fs.readFileSync(resolve('.../../package.json'), 'utf-8')
-    pkg = JSON.parse(content)
-  }
-  catch {}
-  return pkg
+  return readJsonFileAsync(resolve('.../../package.json'))
 }