diff --git a/zh-cn/application-dev/reference/apis/js-apis-animator.md b/zh-cn/application-dev/reference/apis/js-apis-animator.md
index 6689361e739a8a6746f1a6fe98b7f19b70977cbb..5a8dad19cbdb6903b750f7ab7ed19aca7acea863 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-animator.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-animator.md
@@ -34,7 +34,7 @@ create(options: AnimatorOptions): AnimatorResult
 **示例：** 
 
   ```js
-  var options = {
+  let options = {
     duration: 1500,
     easing: 'friction',
     delay: 0,
@@ -79,7 +79,7 @@ reset(options: AnimatorOptions): void
 **示例：**
 
 ```js
-var options = {
+let options = {
   duration: 1500,
   easing: 'friction',
   delay: 0,
@@ -266,7 +266,7 @@ export default {
     animator: null
   },
   onInit() {
-    var options = {
+    let options = {
       duration: 1500,
       easing: 'friction',
       delay: 0,
@@ -279,7 +279,7 @@ export default {
     this.animator = animator.create(options);
   },
   Show() {
-    var options1 = {
+    let options1 = {
       duration: 1500,
       easing: 'friction',
       delay: 0,
@@ -294,7 +294,7 @@ export default {
     } catch(error) {
       console.error(`Animator reset failed, error code: ${error.code}, message: ${error.message}.`);
     }
-    var _this = this;
+    let _this = this;
     this.animator.onframe = function(value) {
       _this.divWidth = value;
       _this.divHeight = value;
@@ -353,7 +353,7 @@ createAnimator(options: AnimatorOptions): AnimatorResult
 **示例：** 
 
 ```js
-var options = {
+let options = {
   duration: 1500,
   easing: 'friction',
   delay: 0,
diff --git a/zh-cn/application-dev/reference/apis/js-apis-router.md b/zh-cn/application-dev/reference/apis/js-apis-router.md
index 510bac63015e8793b7b34199403cea444db4f6fe..f13771a442e172f3e02488017033fb8876859590 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-router.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-router.md
@@ -604,7 +604,7 @@ router.getParams();
 
 | 名称       | 描述                                       |
 | -------- | ---------------------------------------- |
-| Standard | 标准模式。                                    |
+| Standard | 标准模式。 <br/>目标页面会被添加到页面路由栈顶，无论栈中是否存在相同url的页面。                            |
 | Single   | 单实例模式。<br/>如果目标页面的url在页面栈中已经存在同url页面，离栈顶最近的页面会被移动到栈顶，移动后的页面为新建页。<br/>如目标页面的url在页面栈中不存在同url页面，按标准模式跳转。 |
 
 ## 完整示例