UI updates + RAGFlow image description (#3995)

### What problem does this PR solve?



### Type of change

- [x] Documentation Update

web/src/locales/zh-traditional.ts

@@ -75,7 +75,7 @@ export default {
       namePlaceholder: '請輸入名稱',
       doc: '文件',
       searchKnowledgePlaceholder: '搜索',
-      noMoreData: 'It is all, nothing more',
+      noMoreData: `That's all. Nothing more.`,
     },
     knowledgeDetails: {
       dataset: '數據集',