fix:Optimized the style of the dataset configuration page and added the l… (#8655)

### What problem does this PR solve?

Optimized the style of the dataset configuration page and added the
logic of cancelling submission
[#3221](https://github.com/infiniflow/ragflow/issues/3221)

### Type of change

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

web/src/locales/zh.ts

@@ -205,6 +205,7 @@ export default {
       titleDescription: '在这里更新您的知识库详细信息，尤其是切片方法。',
       name: '知识库名称',
       photo: '知识库图片',
+      photoTip: '你可以上传4MB的文件',
       description: '描述',
       language: '文档语言',
       languageMessage: '请输入语言',