Refactor message output format (#772)

### What problem does this PR solve?

_Briefly describe what this PR aims to solve. Include background context
that will help reviewers understand the purpose of the PR._

### Type of change

- [x] Refactoring

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

web/src/pages/add-knowledge/components/knowledge-file/parsing-status-cell/index.tsx

@@ -55,7 +55,7 @@ const PopoverContent = ({ record }: IProps) => {
     {
       key: 'process_duation',
       label: t('processDuration'),
-      children: `${record.process_duation} s`,
+      children: `${record.process_duation.toFixed(2)} s`,
     },
     {
       key: 'progress_msg',