diff --git a/zh-cn/application-dev/reference/apis/js-apis-linkedlist.md b/zh-cn/application-dev/reference/apis/js-apis-linkedlist.md
index 93785e13e76db9a1493236935188edeba4083d76..8339647ac38b5e6fcdf0370b56580781da664e23 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-linkedlist.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-linkedlist.md
@@ -68,7 +68,7 @@ add(element: T): boolean
 ```
 let linkedList = new LinkedList();
 let result = linkedList.add("a");
-let result = linkedList.add(1);
+let result1 = linkedList.add(1);
 let b = [1, 2, 3];
 linkedList.add(b);
 let c = {name : "lala", age : "13"};
diff --git a/zh-cn/application-dev/reference/apis/js-apis-vector.md b/zh-cn/application-dev/reference/apis/js-apis-vector.md
index 3e9285e735f00541bdee712b0f1488123d8a65a9..6b1644a678ca0f1ab2ddf9191d34c73f112edf2e 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-vector.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-vector.md
@@ -114,8 +114,8 @@ has(element: T): boolean
 let vector = new Vector();
 let result = vector.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
 vector.add("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-let result = vector.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
-```
+let result1 = vector.has("Ahfbrgrbgnutfodgorrogorgrogofdfdf");
+``` 
 
 ### getIndexOf