diff --git a/en/application-dev/reference/apis/js-apis-url.md b/en/application-dev/reference/apis/js-apis-url.md
old mode 100644
new mode 100755
index 6ca9f8ae9b4bce6bef3140ad7ed762f43ffffe68..a679841ee2324fe8c4b2b672866b92c4fec0ee3e
--- a/en/application-dev/reference/apis/js-apis-url.md
+++ b/en/application-dev/reference/apis/js-apis-url.md
@@ -113,7 +113,7 @@ console.log(params.getAll('fod')) // Output ["1","3"].
 
 ### entries
 
-entries(): IterableIterator<[string, string]>
+entries(): IterableIterator<[string, string]>
 
 Obtains an ES6 iterator. Each item of the iterator is a JavaScript array, and the first and second fields of each array are the key and value respectively.
 
@@ -135,7 +135,7 @@ for (var pair of searchParamsObject .entries()) { // Show keyName/valueName pair
 
 ### forEach
 
-forEach(callbackfn: (value: string, key: string, searchParams: Object) =&gt; void, thisArg?: Object): void
+forEach(callbackfn: (value: string, key: string, searchParams: this) => void, thisArg?: Object): void
 
 Traverses the key-value pairs in the **URLSearchParams** instance by using a callback.
 
diff --git a/en/application-dev/reference/apis/js-apis-util.md b/en/application-dev/reference/apis/js-apis-util.md
index f1a9eb0b869a9d95da5dea30f93e64bbaf891a13..6dd2b4319a9323b83908af7c7b4ce838120cad27 100755
--- a/en/application-dev/reference/apis/js-apis-util.md
+++ b/en/application-dev/reference/apis/js-apis-util.md
@@ -147,7 +147,7 @@ Processes an asynchronous function and returns a promise version.
 
 ### constructor
 
-constructor(encoding?: string, options?: { fatal?: boolean;ignoreBOM?: boolean })
+constructor(encoding?: string, options?: { fatal?: boolean; ignoreBOM?: boolean })
 
 A constructor used to create a **TextDecoder** object.
 
@@ -1108,7 +1108,7 @@ class Temperature{
 
 ### constructor<sup>8+</sup>
 
-constructor(lowerObj: ScopeType,upperObje: ScopeType)
+constructor(lowerObj: ScopeType, upperObj: ScopeType)
 
 A constructor used to create a **Scope** object with the specified upper and lower limits.
 
@@ -2321,7 +2321,7 @@ Checks whether the input value is a string object.
 
 ### isSymbolObjec<sup>8+</sup>
 
-isSymbolObjec(value: Object): boolean
+isSymbolObject(value: Object): boolean
 
 Checks whether the input value is a symbol object.
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-url.md b/zh-cn/application-dev/reference/apis/js-apis-url.md
old mode 100644
new mode 100755
index 2208093cd8c569b43645479e6840acf41e5f4ef4..1c2c93f6e64079d70e4716be6286dcd70f25f22c
--- a/zh-cn/application-dev/reference/apis/js-apis-url.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-url.md
@@ -113,7 +113,7 @@ console.log(params.getAll('fod')) // Output ["1","3"].
 
 ### entries
 
-entries(): IterableIterator&lt;[string, string]&gt;
+entries(): IterableIterator<[string, string]>
 
 返回一个ES6的迭代器，迭代器的每一项都是一个 JavaScript Array。Array的第一项是name，Array的第二项是value。
 
@@ -135,7 +135,7 @@ for (var pair of searchParamsObject .entries()) { // Show keyName/valueName pair
 
 ### forEach
 
-forEach(callbackfn: (value: string, key: string, searchParams: Object) =&gt; void, thisArg?: Object): void
+forEach(callbackfn: (value: string, key: string, searchParams: this) => void, thisArg?: Object): void
 
 通过回调函数来遍历URLSearchParams实例对象上的键值对。
 
diff --git a/zh-cn/application-dev/reference/apis/js-apis-util.md b/zh-cn/application-dev/reference/apis/js-apis-util.md
index 3b675034884feadb4cbe11bf7c3b4db6ead2d499..0df5317f66584b793339be03c88147b95e8918f3 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-util.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-util.md
@@ -147,7 +147,7 @@ promiseWrapper(original: (err: Object, value: Object) =&gt; void): Object
 
 ### constructor
 
-constructor(encoding?: string, options?: { fatal?: boolean;ignoreBOM?: boolean })
+constructor(encoding?: string, options?: { fatal?: boolean; ignoreBOM?: boolean })
 
 TextDecoder的构造函数。
 
@@ -1108,7 +1108,7 @@ class Temperature{
 
 ### constructor<sup>8+</sup>
 
-constructor(lowerObj: ScopeType,upperObje: ScopeType)
+constructor(lowerObj: ScopeType, upperObj: ScopeType)
 
 用于创建指定下限和上限的作用域实例的构造函数，返回一个Scope对象。
 
@@ -2321,7 +2321,7 @@ isStringObject(value: Object): boolean
 
 ### isSymbolObjec<sup>8+</sup>
 
-isSymbolObjec(value: Object): boolean
+isSymbolObject(value: Object): boolean
 
 检查输入的value是否是Symbol对象类型。