diff --git a/zh-cn/application-dev/reference/apis/js-apis-windowAnimationManager.md b/zh-cn/application-dev/reference/apis/js-apis-windowAnimationManager.md
index 4f7dfd2cadeb9d48ed10bb06d56675692192321a..e521ba1a04d671e0f33abd433860479f335994c7 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-windowAnimationManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-windowAnimationManager.md
@@ -61,7 +61,7 @@ let controller = {
         console.log('onScreenUnlock called');
         finishCallback.onAnimationFinish();
     },
-    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void{
+    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void {
         console.log('onWindowAnimationTargetsUpdate, the fullScreenWindowTarget is: ' + fullScreenWindowTarget);
         console.log('onWindowAnimationTargetsUpdate, the floatingWindowTargets are: ' + floatingWindowTargets);
     }
@@ -83,7 +83,7 @@ minimizeWindowWithAnimation(windowTarget: WindowAnimationTarget, callback: Async
 | 参数名 | 类型 | 必填 | 说明 |
 | -------- | -------- | -------- | -------- |
 | windowTarget | [WindowAnimationTarget](#windowanimationtarget) | 是 | 动画目标窗口。|
-| callback | AsyncCallback&lt;[WindowAnimationFinishedCallback](#windowanimationfinishedcallback)&gt; | 是 | 动画完成后的回调。|
+| callback | AsyncCallback&lt;[WindowAnimationFinishedCallback](#windowanimationfinishedcallback)&gt; | 是 | 回调函数。当最小化动画目标窗口成功，err为undefined，data为获取到的WindowAnimationFinishedCallback；否则返回err.code为-1，data为undefined。|
 
 **示例：**
 
@@ -92,42 +92,49 @@ let target: WindowAnimationTarget = undefined;
 let controller = {
     onStartAppFromLauncher(startingWindowTarget: windowAnimationManager.WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onStartAppFromLauncher, the startingWindowTarget is: ' + startingWindowTarget);
+        target = startingWindowTarget;
         finishCallback.onAnimationFinish();
 	  },
     onStartAppFromRecent(startingWindowTarget: windowAnimationManager.WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onStartAppFromRecent, the startingWindowTarget is: ' + startingWindowTarget);
+        target = startingWindowTarget;
         finishCallback.onAnimationFinish();
     },
     onStartAppFromOther(startingWindowTarget: windowAnimationManager.WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onStartAppFromOther, the startingWindowTarget is: ' + startingWindowTarget);
+        target = startingWindowTarget;
         finishCallback.onAnimationFinish();
     },
     onAppTransition(fromWindowTarget: windowAnimationManager.WindowAnimationTarget, toWindowTarget: WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onAppTransition, the fromWindowTarget is: ' + fromWindowTarget);
         console.log('onAppTransition, the toWindowTarget is: ' + toWindowTarget);
+        target = toWindowTarget;
         finishCallback.onAnimationFinish();
     },
     onMinimizeWindow(minimizingWindowTarget: windowAnimationManager.WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onMinimizeWindow, the minimizingWindowTarget is: ' + minimizingWindowTarget);
+        target = minimizingWindowTarget;
         finishCallback.onAnimationFinish();
     },
     onCloseWindow(closingWindowTarget: windowAnimationManager.WindowAnimationTarget, finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onCloseWindow, the closingWindowTarget is: ' + closingWindowTarget);
+        target = closingWindowTarget;
         finishCallback.onAnimationFinish();
     },
     onScreenUnlock(finishCallback: windowAnimationManager.WindowAnimationFinishedCallback): void {
         console.log('onScreenUnlock called');
         finishCallback.onAnimationFinish();
     },
-    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void{
+    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void {
         console.log('onWindowAnimationTargetsUpdate, the fullScreenWindowTarget is: ' + fullScreenWindowTarget);
         console.log('onWindowAnimationTargetsUpdate, the floatingWindowTargets are: ' + floatingWindowTargets);
+        target = fullScreenWindowTarget;
     }
 }
 
 windowAnimationManager.setController(controller)
 
-let finishedCallback = null;
+let finishedCallback: windowAnimationManager.WindowAnimationFinishedCallback = undefined;
 windowAnimationManager.minimizeWindowWithAnimation(target, (err, data) => {
     if (err.code) {
         console.error('Failed to minimize the window target. Cause: ' + JSON.stringify(err));
@@ -195,7 +202,7 @@ let controller = {
         console.log('onScreenUnlock called');
         finishCallback.onAnimationFinish();
     },
-    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void{
+    onWindowAnimationTargetsUpdate(fullScreenWindowTarget: windowAnimationManager.WindowAnimationTarget, floatingWindowTargets: Array<windowAnimationManager.WindowAnimationTarget>): void {
         console.log('onWindowAnimationTargetsUpdate, the fullScreenWindowTarget is: ' + fullScreenWindowTarget);
         console.log('onWindowAnimationTargetsUpdate, the floatingWindowTargets are: ' + floatingWindowTargets);
     }
@@ -348,7 +355,7 @@ onWindowAnimationTargetsUpdate(fullScreenWindowTarget: WindowAnimationTarget, fl
 | 参数名               | 类型                            | 必填 | 说明             |
 | -------------------- | ------------------------------- | ---- | ---------------- |
 | fullScreenWindowTarget | [WindowAnimationTarget](#windowanimationtarget) | 是   | 全屏状态的动画目标窗口。|
-| floatingWindowTargets| Array&lt;[WindowAnimationTarget](#windowanimationtarget)&gt; | 是   | 悬浮状态的动画目标窗口 |
+| floatingWindowTargets| Array&lt;[WindowAnimationTarget](#windowanimationtarget)&gt; | 是   | 悬浮状态的动画目标窗口。 |
 
 **示例：**
 
@@ -379,7 +386,7 @@ onAnimationFinish():void
 | bundleName  | string | 动画目标窗口所对应的包名。 |
 | abilityName | string | 动画目标窗口所对应的Ability名称。 |
 | windowBounds | [RRect](#rrect) | 动画目标窗口所对应的实际大小。 |
-| missionId  | number | 任务ID。|
+| missionId  | number | 任务ID，多任务中用于与ability进行匹配。|
 
 ## RRect
 圆角矩形。