Feat: Improve metadata logic (#12730)

### What problem does this PR solve?

Feat: Improve metadata logic

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/locales/zh.ts

@@ -175,6 +175,10 @@ export default {
     },
     knowledgeDetails: {
       metadata: {
+        type: '类型',
+        fieldNameInvalid: '字段名称只能包含字母或下划线。',
+        builtIn: '内置',
+        generation: '生成',
         toMetadataSettingTip: '在配置中设置自动元数据',
         toMetadataSetting: '生成设置',
         descriptionTip: