diff --git a/en/application-dev/reference/apis/js-apis-effectKit.md b/en/application-dev/reference/apis/js-apis-effectKit.md
index ecfd9405b9141ac7c9149cb9110a162935cecce5..a87a8559d71143a21df3dbc9bd26bee1f5fc8983 100644
--- a/en/application-dev/reference/apis/js-apis-effectKit.md
+++ b/en/application-dev/reference/apis/js-apis-effectKit.md
@@ -21,7 +21,7 @@ import effectKit from '@ohos.effectKit';
 ## effectKit.createEffect
 createEffect(source: image.PixelMap): Filter
 
-Creates a **Filter** instance based on the pixel map.
+Creates a **Filter** instance based on a pixel map.
 
 **System capability**: SystemCapability.Multimedia.Image.Core
 
@@ -53,7 +53,7 @@ image.createPixelMap(color, opts).then((pixelMap) => {
 
 createColorPicker(source: image.PixelMap): Promise\<ColorPicker>
 
-Creates a **ColorPicker** instance based on the pixel map. This API uses a promise to return the result.
+Creates a **ColorPicker** instance based on a pixel map. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Multimedia.Image.Core
 
@@ -87,7 +87,7 @@ image.createPixelMap(color, opts).then((pixelMap) => {
 
 createColorPicker(source: image.PixelMap, callback: AsyncCallback\<ColorPicker>): void
 
-Creates a **ColorPicker** instance based on the pixel map. This API uses an asynchronous callback to return the result.
+Creates a **ColorPicker** instance based on a pixel map. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Multimedia.Image.Core
 
@@ -124,10 +124,10 @@ A class that stores the color picked.
 
 | Name  | Type  | Readable| Writable| Description             |
 | ------ | ----- | ---- | ---- | ---------------- |
-| red   | number | Yes  | No  | Value of the red component.          |
-| green | number | Yes  | No  | Value of the green component.          |
-| blue  | number | Yes  | No  | Value of the blue component.          |
-| alpha | number | Yes  | No  | Value of the alpha component.      |
+| red   | number | Yes  | No  | Value of the red component. The value range is [0x0, 0xFF].          |
+| green | number | Yes  | No  | Value of the green component. The value range is [0x0, 0xFF].          |
+| blue  | number | Yes  | No  | Value of the blue component. The value range is [0x0, 0xFF].          |
+| alpha | number | Yes  | No  | Value of the alpha component. The value range is [0x0, 0xFF].      |
 
 ## ColorPicker
 
diff --git a/en/application-dev/reference/apis/js-apis-linkedlist.md b/en/application-dev/reference/apis/js-apis-linkedlist.md
index 14382577e7b3fb1881e74527b8ec31ab87a89169..f4c57358389eebbf15bb3abcdc8a5dbaca648ba8 100644
--- a/en/application-dev/reference/apis/js-apis-linkedlist.md
+++ b/en/application-dev/reference/apis/js-apis-linkedlist.md
@@ -145,8 +145,8 @@ Inserts an element at the specified position in this container.
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| element | T | Yes| Target element.|
 | index | number | Yes| Index of the position where the element is to be inserted.|
+| element | T | Yes| Target element.|
 
 **Error codes**
 
@@ -607,15 +607,15 @@ Uses a callback to traverse the elements in this container and obtain their posi
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | callbackFn | function | Yes| Callback invoked to traverse the elements in the container.|
-| thisArg | Object | No| Value to use when the callback is invoked.|
+| thisArg | Object | No| Value of **this** to use when **callbackFn** is invoked. The default value is this instance.|
 
-callbackfn
+callbackFn
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
 | value | T | Yes| Value of the element that is currently traversed.|
-| index | number | No| Position index of the element that is currently traversed.|
-| LinkedList | LinkedList&lt;T&gt; | No| Instance that invokes the **forEach** API.|
+| index | number | No| Position index of the element that is currently traversed. The default value is **0**.|
+| LinkedList | LinkedList&lt;T&gt; | No| Instance that calls the **forEach** API. The default value is this instance.|
 
 **Error codes**