找到src\layout\components\TagsView\index.vue（加上一個判斷 if (tags)）
moveToCurrentTag() {
const tags = this.$refs.tag;
// 解決 undefined is not iterable
if(tags){
this.$nextTick(() => {
for (const tag of tags) {
if (tag.to.path === this.$route.path) {
this.$refs.scrollPane.moveToTarget(tag)
// when query is different then update
if (tag.to.fullPath !== this.$route.fullPath) {
this.$store.dispatch('tagsView/updateVisitedView', this.$route)
}
break
}
}
})
}
},
https://blog.csdn.net/weixin_58101575/article/details/121670863?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522164015484316780274156516%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=164015484316780274156516&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduend~default-2-121670863.first_rank_v2_pc_rank_v29&utm_term=+undefined+is+not+iterable&spm=1018.2226.3001.4187
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