Modify ide err

issues: https://gitee.com/openharmony/docs/issues/I5IH0XSigned-off-by: Nshikai-123 <shikai25@huawei.com>

en/application-dev/reference/apis/js-apis-url.md

@@ -109,9 +109,9 @@ Obtains all the key-value pairs based on the specified key.
 
 ```js
 let urlObject = new Url.URL('https://developer.exampleUrl/?fod=1&bard=2');
-let paramsObject = new Url.URLSearchParams(urlObject.search.slice(1)); 
-paramsObject.append('fod', 3); // Add a second value for the fod parameter.
-console.log(params.getAll('fod')) // Output ["1","3"].
+let params = new Url.URLSearchParams(urlObject.search.slice(1));
+params.append('fod', '3'); // Add a second value for the fod parameter.
+console.log(params.getAll('fod').toString()) // Output ["1","3"].
 ```
 
 

en/application-dev/reference/apis/js-apis-util.md

@@ -119,15 +119,15 @@ Processes an asynchronous function and returns a promise version.
 
 **Example**
   ```js
-  function aysnFun(str1, str2, callback) {
-      if (typeof str1 === 'string' && typeof str2 === 'string') {
-          callback(null, str1 + str2);
+  function aysnFun(str1, str2) {
+    if (typeof str1 === 'object' && typeof str2 === 'object') {
+      return str2
     } else {
-          callback('type err');
+      return str1
     }
   }
-  let newPromiseObj = util.promiseWrapper(aysnFun)("Hello", 'World');
-  newPromiseObj.then(res => {
+  let newPromiseObj = util.promiseWrapper(aysnFun);
+  newPromiseObj({ err: "type error" }, {value:'HelloWorld'}).then(res => {
     console.log(res);
   })
   ```