diff --git a/web/src/Setting.js b/web/src/Setting.js
index 86b21860..ca2a1e81 100644
--- a/web/src/Setting.js
+++ b/web/src/Setting.js
@@ -596,6 +596,7 @@ export function getTagColor(s) {
 
 export function getTags(tags) {
   let res = [];
+  if (!tags) return res;
   tags.forEach((tag, i) => {
     res.push(
       <Tag color={getTagColor(tag)}>