diff --git a/zh-cn/application-dev/reference/apis/js-apis-fileio.md b/zh-cn/application-dev/reference/apis/js-apis-fileio.md
index a69af688341e87c3628ce0ef8b07b92e41919644..25d4499022f4a77670b49ac4f79ddae7d27316b1 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-fileio.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-fileio.md
@@ -655,11 +655,7 @@ openSync(path: string, flags?: number, mode?: number): number
 
 ## fileio.read
 
-read(fd: number, buffer: ArrayBuffer, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-}): Promise<ReadOut>
+read(fd: number, buffer: ArrayBuffer, options?: { offset?: number; length?: number; position?: number; }): Promise<ReadOut>
 
 从文件读取数据，使用Promise异步回调。
 
@@ -696,11 +692,7 @@ read(fd: number, buffer: ArrayBuffer, options?: {
 
 ## fileio.read
 
-read(fd: number, buffer: ArrayBuffer, options: {
-    offset?: number;
-    length?: number;
-    position?: number;
-}, callback: AsyncCallback<ReadOut>): void
+read(fd: number, buffer: ArrayBuffer, options: { offset?: number; length?: number; position?: number; }, callback: AsyncCallback<ReadOut>): void
 
 从文件读取数据，使用callback异步回调。
 
@@ -732,11 +724,7 @@ read(fd: number, buffer: ArrayBuffer, options: {
 
 ## fileio.readSync
 
-readSync(fd: number, buffer: ArrayBuffer, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-}): number
+readSync(fd: number, buffer: ArrayBuffer, options?: { offset?: number; length?: number; position?: number; }): number
 
 以同步方法从文件读取数据。
 
@@ -927,12 +915,7 @@ unlinkSync(path: string): void
 
 ## fileio.write
 
-write(fd: number, buffer: ArrayBuffer | string, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}): Promise<number>
+write(fd: number, buffer: ArrayBuffer | string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): Promise<number>
 
 将数据写入文件，使用Promise异步回调。
 
@@ -967,12 +950,7 @@ write(fd: number, buffer: ArrayBuffer | string, options?: {
 
 ## fileio.write
 
-write(fd: number, buffer: ArrayBuffer | string, options: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}, callback: AsyncCallback<number>): void
+write(fd: number, buffer: ArrayBuffer | string, options: { offset?: number; length?: number; position?: number; encoding?: string; }, callback: AsyncCallback<number>): void
 
 将数据写入文件，使用callback异步回调。
 
@@ -1002,12 +980,7 @@ write(fd: number, buffer: ArrayBuffer | string, options: {
 
 ## fileio.writeSync
 
-writeSync(fd: number, buffer: ArrayBuffer | string, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}): number
+writeSync(fd: number, buffer: ArrayBuffer | string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): number
 
 以同步方法将数据写入文件。
 
@@ -1441,11 +1414,7 @@ truncateSync(path: string, len?: number): void
 
 ## fileio.readText<sup>7+</sup>
 
-readText(filePath: string, options?: {
-    position?: number;
-    length?: number;
-    encoding?: string;
-}): Promise&lt;string&gt;
+readText(filePath: string, options?: { position?: number; length?: number; encoding?: string; }): Promise&lt;string&gt;
 
 基于文本方式读取文件（即直接读取文件的文本内容），使用Promise异步回调。
 
@@ -1478,11 +1447,7 @@ readText(filePath: string, options?: {
 
 ## fileio.readText<sup>7+</sup>
 
-readText(filePath: string, options: {
-    position?: number;
-    length?: number;
-    encoding?: string;
-}, callback: AsyncCallback&lt;string&gt;): void
+readText(filePath: string, options: { position?: number; length?: number; encoding?: string; }, callback: AsyncCallback&lt;string&gt;): void
 
 基于文本方式读取文件（即直接读取文件的文本内容），使用callback异步回调。
 
@@ -1508,11 +1473,7 @@ readText(filePath: string, options: {
 
 ## fileio.readTextSync<sup>7+</sup>
 
-readTextSync(filePath: string, options?: {
-    position?: number;
-    length?: number;
-    encoding?: string;
-}): string
+readTextSync(filePath: string, options?: { position?: number; length?: number; encoding?: string; }): string
 
 以同步方法基于文本方式读取文件（即直接读取文件的文本内容）。
 
@@ -2995,12 +2956,7 @@ flushSync(): void
 
 ### write<sup>7+</sup>
 
-write(buffer: ArrayBuffer | string, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}): Promise&lt;number&gt;
+write(buffer: ArrayBuffer | string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): Promise&lt;number&gt;
 
 将数据写入流文件，使用Promise异步回调。
 
@@ -3034,12 +2990,7 @@ write(buffer: ArrayBuffer | string, options?: {
 
 ### write<sup>7+</sup>
 
-write(buffer: ArrayBuffer | string, options: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}, callback: AsyncCallback&lt;number&gt;): void
+write(buffer: ArrayBuffer | string, options: { offset?: number; length?: number; position?: number; encoding?: string; }, callback: AsyncCallback&lt;number&gt;): void
 
 将数据写入流文件，使用callback异步回调。
 
@@ -3069,12 +3020,7 @@ write(buffer: ArrayBuffer | string, options: {
 
 ### writeSync<sup>7+</sup>
 
-writeSync(buffer: ArrayBuffer | string, options?: {
-    offset?: number;
-    length?: number;
-    position?: number;
-    encoding?: string;
-}): number
+writeSync(buffer: ArrayBuffer | string, options?: { offset?: number; length?: number; position?: number; encoding?: string; }): number
 
 以同步方法将数据写入流文件。
 
@@ -3104,11 +3050,7 @@ writeSync(buffer: ArrayBuffer | string, options?: {
 
 ### read<sup>7+</sup>
 
-read(buffer: ArrayBuffer, options?: {
-    position?: number;
-    offset?: number;
-    length?: number;
-}): Promise&lt;ReadOut&gt;
+read(buffer: ArrayBuffer, options?: { position?: number; offset?: number; length?: number; }): Promise&lt;ReadOut&gt;
 
 从流文件读取数据，使用Promise异步回调。
 
@@ -3143,11 +3085,7 @@ read(buffer: ArrayBuffer, options?: {
 
 ### read<sup>7+</sup>
 
-read(buffer: ArrayBuffer, options: {
-    position?: number;
-    offset?: number;
-    length?: number;
-}, callback: AsyncCallback&lt;ReadOut&gt;): void
+read(buffer: ArrayBuffer, options: { position?: number; offset?: number; length?: number; }, callback: AsyncCallback&lt;ReadOut&gt;): void
 
 从流文件读取数据，使用callback异步回调。
 
@@ -3177,11 +3115,7 @@ read(buffer: ArrayBuffer, options: {
 
 ### readSync<sup>7+</sup>
 
-readSync(buffer: ArrayBuffer, options?: {
-    position?: number;
-    offset?: number;
-    length?: number;
-}): number
+readSync(buffer: ArrayBuffer, options?: { position?: number; offset?: number; length?: number; }): number
 
 以同步方法从流文件读取数据。