!5870 【轻量级 PR】：【OpenHarmony开源贡献者计划2022】fa-dataability 添加转义符

Merge pull request !5870 from gloria/N/A

zh-cn/application-dev/ability/fa-dataability.md

@@ -15,10 +15,10 @@ Data提供方可以自定义数据的增、删、改、查，以及文件打开
 |delete?(uri: string, predicates: dataAbility.DataAbilityPredicates, callback: AsyncCallback\<number>): void|删除一条或多条数据。|
 |normalizeUri?(uri: string, callback: AsyncCallback\<string>): void|对URI进行规范化。一个规范化的URI可以支持跨设备使用、持久化、备份和还原等，当上下文改变时仍然可以引用到相同的数据项。|
 |batchInsert?(uri: string, valueBuckets: Array\<rdb.ValuesBucket>, callback: AsyncCallback\<number>): void|向数据库中插入多条数据。|
-|denormalizeUri?(uri: string, callback: AsyncCallback<string>): void|将一个由normalizeUri生产的规范化URI转换成非规范化的URI。|
+|denormalizeUri?(uri: string, callback: AsyncCallback\<string>): void|将一个由normalizeUri生产的规范化URI转换成非规范化的URI。|
 |insert?(uri: string, valueBucket: rdb.ValuesBucket, callback: AsyncCallback\<number>): void|向数据中插入一条数据。|
 |openFile?(uri: string, mode: string, callback: AsyncCallback\<number>): void|打开一个文件。|
-|getFileTypes?(uri: string, mimeTypeFilter: string, callback: AsyncCallback<Array<string>>): void|获取文件的MIME类型。|
+|getFileTypes?(uri: string, mimeTypeFilter: string, callback: AsyncCallback\<Array\<string>>): void|获取文件的MIME类型。|
 |getType?(uri: string, callback: AsyncCallback\<string>): void|获取URI指定数据相匹配的MIME类型。|
 |executeBatch?(ops: Array\<DataAbilityOperation>, callback: AsyncCallback\<Array\<DataAbilityResult>>): void|批量操作数据库中的数据。|
 |call?(method: string, arg: string, extras: PacMap, callback: AsyncCallback\<PacMap>): void|自定义方法。|