diff --git a/themes/theme.js b/themes/theme.js
index 97fcd64a..3d89f878 100644
--- a/themes/theme.js
+++ b/themes/theme.js
@@ -6,7 +6,7 @@ import { useRouter } from 'next/router'
 import { getQueryParam, getQueryVariable, isBrowser } from '../lib/utils'
 
 // 在next.config.js中扫描所有主题
-export const { THEMES = [] } = getConfig().publicRuntimeConfig
+export const { THEMES = [] } = getConfig()?.publicRuntimeConfig || {}
 
 /**
  * 获取主题配置