diff --git a/zh-cn/application-dev/reference/apis/js-apis-image.md b/zh-cn/application-dev/reference/apis/js-apis-image.md
index 7a5d1c224969f144cbbd2e63636cad8ffc69fb55..8ce3028998453a4285b429d8505da7248f07cb3f 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-image.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-image.md
@@ -486,7 +486,7 @@ opacity(rate: number, callback: AsyncCallback\<void>): void
 **示例：**
 
 ```js
-pixelmap.opacity(
+await pixelMap.opacity(0.5);
 ```
 
 ### opacity<sup>9+</sup>
@@ -512,7 +512,7 @@ opacity(rate: number): Promise\<void>
 **示例：**
 
 ```js
-let
+await pixelMap.opacity(0.5);
 ```
 
 ### createAlphaPixelmap<sup>9+</sup>