diff --git a/en/application-dev/reference/apis/js-apis-storage-statistics.md b/en/application-dev/reference/apis/js-apis-storage-statistics.md
index 658082d2690c0ab00d76959a1a7ce1c97574ce5d..d646fd424d8f7fa6c431a388879e9cf63678a632 100644
--- a/en/application-dev/reference/apis/js-apis-storage-statistics.md
+++ b/en/application-dev/reference/apis/js-apis-storage-statistics.md
@@ -52,7 +52,7 @@ This is a system API and cannot be called by third-party applications.
 
 ## storageStatistics.getTotalSizeOfVolume
 
-getTotalSizeOfVolume(volumeUuid: string, callback:AsyncCallback<number>):void
+getTotalSizeOfVolume(volumeUuid: string, callback: AsyncCallback<number>): void
 
 Asynchronously obtains the total size of the specified volume. This API uses a callback to return the result.
 
@@ -69,7 +69,7 @@ This is a system API and cannot be called by third-party applications.
   | Name    | Type                                | Mandatory| Description                      |
   | ---------- | ------------------------------------ | ---- | -------------------------- |
   | volumeUuid | string                               | Yes  | UUID of the volume.                      |
-  | callback   | callback:AsyncCallback<number> | Yes  | Callback invoked to return the total size of the volume.|
+  | callback   | callback: AsyncCallback<number> | Yes  | Callback invoked to return the total size of the volume.|
 
 **Example**
 
@@ -121,7 +121,7 @@ This is a system API and cannot be called by third-party applications.
 
 ## storageStatistics.getFreeSizeOfVolume
 
-getFreeSizeOfVolume(volumeUuid: string, callback:AsyncCallback<number>):void
+getFreeSizeOfVolume(volumeUuid: string, callback: AsyncCallback<number>): void
 
 Asynchronously obtains the available space of the specified volume. This API uses a callback to return the result.
 
@@ -138,7 +138,7 @@ This is a system API and cannot be called by third-party applications.
   | Name    | Type                                | Mandatory| Description                        |
   | ---------- | ------------------------------------ | ---- | ---------------------------- |
   | volumeUuid | string                               | Yes  | UUID of the volume.                        |
-  | callback   | callback:AsyncCallback<number> | Yes  | Callback invoked to return the available space of the volume.|
+  | callback   | callback: AsyncCallback<number> | Yes  | Callback invoked to return the available space of the volume.|
 
 **Example**
 
@@ -206,7 +206,7 @@ This is a system API and cannot be called by third-party applications.
   | Name  | Type                                                     | Mandatory| Description                                |
   | -------- | --------------------------------------------------------- | ---- | ------------------------------------ |
   | packageName | string | Yes  | Bundle name of the application.|
-  | callback | callback:AsyncCallback<[Bundlestats](#bundlestats)> | Yes  | Callback invoked to return the space information obtained.|
+  | callback | callback: AsyncCallback<[Bundlestats](#bundlestats)> | Yes  | Callback invoked to return the space information obtained.|
 
 **Example**
 
@@ -251,7 +251,7 @@ Asynchronously obtains space information of the current third-party application.
 
   | Name   | Type                                                      | Mandatory | Description                                |
   | -------- | --------------------------------------------------------- | ---- | ------------------------------------ |
-  | callback | callback:AsyncCallback<[BundleStats](#bundlestats)> | Yes  | Callback invoked to return the space information obtained.       |
+  | callback | callback: AsyncCallback<[BundleStats](#bundlestats)> | Yes  | Callback invoked to return the space information obtained.       |
 
 **Example**
 
@@ -323,7 +323,7 @@ This is a system API and cannot be called by third-party applications.
 
   | Name   | Type                                 | Mandatory | Description                    |
   | -------- | ------------------------------------ | ---- | ------------------------ |
-  | callback | callback:AsyncCallback<number> | Yes  | Callback invoked to return the total space of the built-in memory card.|
+  | callback | callback: AsyncCallback<number> | Yes  | Callback invoked to return the total space of the built-in memory card.|
 
 **Example**
 
@@ -381,7 +381,7 @@ This is a system API and cannot be called by third-party applications.
 
   | Name   | Type                                 | Mandatory| Description                      |
   | -------- | ------------------------------------ | ---- | ------------------------- |
-  | callback | callback:AsyncCallback<number> | Yes  | Callback invoked to return the available space of the built-in memory card.|
+  | callback | callback: AsyncCallback<number> | Yes  | Callback invoked to return the available space of the built-in memory card.|
 
 **Example**
 
@@ -424,7 +424,7 @@ This is a system API and cannot be called by third-party applications.
 
 ## storageStatistics.getSystemSize<sup>9+</sup>
 
-getSystemSize(callback:AsyncCallback&lt;number&gt;):void
+getSystemSize(callback: AsyncCallback&lt;number&gt;): void
 
 Asynchronously obtains the system space. This API uses a callback to return the result.
 
@@ -440,7 +440,7 @@ This is a system API and cannot be called by third-party applications.
 
   | Name    | Type                                | Mandatory| Description                      |
   | ---------- | ------------------------------------ | ---- | -------------------------- |
-  | callback   | callback:AsyncCallback&lt;number&gt; | Yes  | Callback used to return the system space obtained.|
+  | callback   | callback: AsyncCallback&lt;number&gt; | Yes  | Callback used to return the system space obtained.|
 
 **Example**
 
@@ -475,7 +475,7 @@ This is a system API and cannot be called by third-party applications.
 
   | Type                 | Description            |
   | --------------------- | ---------------- |
-  | Promise&lt;[StorageStats](#StorageStats)&gt; | Promise used to return the information obtained.|
+  | Promise&lt;[StorageStats](#storagestats)&gt; | Promise used to return the information obtained.|
 
 **Example**
 
@@ -490,7 +490,7 @@ This is a system API and cannot be called by third-party applications.
 
 ## storageStatistics.getUserStorageStats<sup>9+</sup>
 
-getUserStorageStats(userId: number, callback:AsyncCallback&lt;StorageStats&gt;):void
+getUserStorageStats(userId: number, callback: AsyncCallback&lt;StorageStats&gt;): void
 
 Asynchronously obtains the space occupied by each type of user data. This API uses a callback to return the result.
 
@@ -507,7 +507,7 @@ This is a system API and cannot be called by third-party applications.
   | Name    | Type                                | Mandatory| Description                      |
   | ---------- | ------------------------------------ | ---- | -------------------------- |
   | userId | number                               | No  | User ID.<br>Value:<br>-&nbsp; Set this parameter to the ID of the user to be queried.<br>-&nbsp; If no value is specified, information about the current user is queried.                      |
-  | callback   | callback:AsyncCallback&lt;[StorageStats](#StorageStats)&gt; | Yes  | Callback invoked to return the information obtained.|
+  | callback   | callback: AsyncCallback&lt;[StorageStats](#storagestats)&gt; | Yes  | Callback invoked to return the information obtained.|
 
 **Example**
 
diff --git a/en/application-dev/reference/apis/js-apis-volumemanager.md b/en/application-dev/reference/apis/js-apis-volumemanager.md
index 87cfad2f83ba3c25d4ab90a874777d86bb2cd473..79cbf5db12746acc8e18d293c03fe3aa48bdc86a 100644
--- a/en/application-dev/reference/apis/js-apis-volumemanager.md
+++ b/en/application-dev/reference/apis/js-apis-volumemanager.md
@@ -52,7 +52,7 @@ Asynchronously obtains information about all available volumes. This API uses a
 
   | Name  | Type                                             | Mandatory| Description                                |
   | -------- | ------------------------------------------------- | ---- | ------------------------------------ |
-  | callback | callback:AsyncCallback&lt;[Volume](#volume)[]&gt; | Yes  | Callback invoked to return the volume information obtained.|
+  | callback | callback: AsyncCallback&lt;[Volume](#volume)[]&gt; | Yes  | Callback invoked to return the volume information obtained.|
 
 **Example**
 
@@ -110,7 +110,7 @@ Asynchronously obtains the available space of the specified volume. This API use
   | Name  | Type                                 | Mandatory| Description                |
   | -------- | ------------------------------------- | ---- | -------------------- |
   | volumeId | string                                | Yes  | Volume ID.                |
-  | callback | callback:AsyncCallback&lt;boolean&gt; | Yes  | Callback invoked to return the execution result.|
+  | callback | callback: AsyncCallback&lt;boolean&gt; | Yes  | Callback invoked to return the execution result.|
 
 **Example**
 
@@ -154,7 +154,7 @@ Asynchronously unmounts a volume. This API uses a promise to return the result.
 
 ## volumemanager.unmount
 
-unmount(volumeId: string, callback:AsyncCallback&lt;boolean&gt;):void
+unmount(volumeId: string, callback: AsyncCallback&lt;boolean&gt;): void
 
 Asynchronously unmounts a volume. This API uses a callback to return the result.
 
@@ -167,7 +167,7 @@ Asynchronously unmounts a volume. This API uses a callback to return the result.
   | Name  | Type                                 | Mandatory| Description                |
   | -------- | ------------------------------------- | ---- | -------------------- |
   | volumeId | string                                | Yes  | Volume ID.                |
-  | callback | callback:AsyncCallback&lt;boolean&gt; | Yes  | Callback invoked to return the execution result.|
+  | callback | callback: AsyncCallback&lt;boolean&gt; | Yes  | Callback invoked to return the execution result.|
 
 **Example**
 
@@ -226,7 +226,7 @@ Asynchronously obtains volume information based on the UUID. This API uses a cal
   | Name   | Type                                                | Mandatory| Description                |
   | -------- | ------------------------------------------------ | ---- | -------------------- |
   | uuid | string                                                 | Yes  | UUID of the volume.                |
-  | callback | callback:AsyncCallback&lt;[Volume](#volume)&gt;  | Yes  | Callback invoked to return the volume information obtained.|
+  | callback | callback: AsyncCallback&lt;[Volume](#volume)&gt;  | Yes  | Callback invoked to return the volume information obtained.|
 
 **Example**
 
@@ -347,7 +347,7 @@ Asynchronously sets the volume description based on the UUID. This API uses a ca
   | ---------- | --------------------------------------- | ---- | ---------------- |
   | uuid       | string                                  | Yes  | UUID of the volume.           |
   | description | string                                 | Yes  | Volume description.           |
-  | callback   | callback:AsyncCallback&lt;void&gt;   | Yes  | Callback invoked to return the result.|
+  | callback   | callback: AsyncCallback&lt;void&gt;   | Yes  | Callback invoked to return the result.|
 
 **Example**
 
@@ -410,7 +410,7 @@ Asynchronously formats a volume. This API uses a callback to return the result.
   | -------- | ------------------------- | ---- | ----------------------------- |
   | volumeId | string                    | Yes  | Volume ID.               |
   | fsType    | string | Yes  | File system type.|
-  | callback | callback:AsyncCallback&lt;void&gt;  | Yes  | Called after the volume is formatted. |
+  | callback | callback: AsyncCallback&lt;void&gt;  | Yes  | Called after the volume is formatted. |
 
 **Example**
 
@@ -473,7 +473,7 @@ Asynchronously partitions a disk. This API uses a callback to return the result.
   | -------- | --------------------------------------- | ---- | ---------------- |
   | diskId   | string                                  | Yes  | ID of the disk to which the volume belongs.     |
   | type     | number                                  | Yes  | Partition type.          |
-  | callback | callback:AsyncCallback&lt;void&gt;   | Yes  | Callback invoked to return the result.     |
+  | callback | callback: AsyncCallback&lt;void&gt;   | Yes  | Callback invoked to return the result.     |
 
 **Example**