!2164 文件管理相关文档接口版本号不一致情况改正

Merge pull request !2164 from shuzhouhao/master

zh-cn/application-dev/reference/apis/js-apis-fileio.md

@@ -760,7 +760,7 @@ rmdir(path: string, callback:AsyncCallback<void>): void
   ```
 
 
-## fileio.rmdirSync
+## fileio.rmdirSync<sup>7+</sup>
 
 rmdirSync(path: string): void
 

zh-cn/application-dev/reference/apis/js-apis-storage-statistics.md

@@ -126,7 +126,7 @@ getFreeSizeOfVolume(volumeUuid: string, callback:AsyncCallback<number>):vo
   });
   ```
 
-## storagestatistics.getBundleStats<sup>9+</sup>
+## storagestatistics.getBundleStats
 
 getBundleStats(packageName: string): Promise&lt;BundleStats&gt;
 
@@ -157,7 +157,7 @@ getBundleStats(packageName: string): Promise&lt;BundleStats&gt;
   });
   ```
 
-## storagestatistics.getBundleStats<sup>9+</sup>
+## storagestatistics.getBundleStats
 
 getBundleStats(packageName: string,  callback: AsyncCallback&lt;BundleStats&gt;): void
 

zh-cn/application-dev/reference/apis/js-apis-volumemanager.md

@@ -11,7 +11,7 @@
 import volumemanager from "@ohos.volumeManager";
 ```
 
-## volumemanager.getAllVolumes
+## volumemanager.getAllVolumes<sup>9+</sup>
 
 getAllVolumes(): Promise&lt;Array&lt;Volume&gt;&gt;
 
@@ -33,7 +33,7 @@ getAllVolumes(): Promise&lt;Array&lt;Volume&gt;&gt;
   });
   ```
 
-## volumemanager.getAllVolumes
+## volumemanager.getAllVolumes<sup>9+</sup>
 
 getAllVolumes(callback: AsyncCallback&lt;Array&lt;Volume&gt;&gt;): void