diff --git a/components/CategoryList.js b/components/CategoryList.js
index f9197cd8..d803ef78 100644
--- a/components/CategoryList.js
+++ b/components/CategoryList.js
@@ -2,6 +2,9 @@ import Link from 'next/link'
 import React from 'react'
 
 const CategoryList = ({ currentCategory, categories }) => {
+  if (!categories) {
+    return <></>
+  }
   return <ul className='flex py-1 space-x-3'>
     <li className='w-10 py-2 dark:text-gray-200'>分类:</li>
     {Object.keys(categories).map(category => {
diff --git a/components/TagList.js b/components/TagList.js
index 53137c51..10adfad9 100644
--- a/components/TagList.js
+++ b/components/TagList.js
@@ -1,4 +1,5 @@
 import Link from 'next/link'
+import React from 'react'
 
 /**
  * 横向的标签列表
@@ -8,6 +9,9 @@ import Link from 'next/link'
  * @constructor
  */
 const TagList = ({ tags, currentTag }) => {
+  if (!tags) {
+    return <></>
+  }
   return <ul className='flex py-1 space-x-3'>
     <li className='w-10 py-2 dark:text-gray-200'>标签:</li>
     {tags.map(tag => {