Fix: Bug fixes (#11960)

### What problem does this PR solve?

Fix: Bug fixes

New search popup style modification
Fixed multilingual settings not updating immediately on personal center
page
Changed overlapped percent to percentage format, with maximum value of
30%
### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/locales/zh.ts

@@ -101,6 +101,7 @@ export default {
       doc: '文档',
       searchKnowledgePlaceholder: '搜索',
       noMoreData: '没有更多数据了',
+      parserRequired: '分块方法必填',
     },
     knowledgeDetails: {
       localUpload: '本地上传',