update zh-cn/application-dev/reference/apis/js-apis-display.md.

Signed-off-by: N@ge-yafang <geyafang@huawei.com>
Signed-off-by: N葛亚芳 <geyafang@huawei.com>

zh-cn/application-dev/reference/apis/js-apis-display.md

@@ -172,9 +172,9 @@ getAllDisplay(): Promise<Array<Display>>
 ```js
 let promise = display.getAllDisplay();
 promise.then((data) => {
-    console.error('Failed to obtain all the display objects. Code: ' + JSON.stringify(err));
-}).catch((err) => {
     console.info('Succeeded in obtaining all the display objects. Data: ' + JSON.stringify(data));
+}).catch((err) => {
+    console.error('Failed to obtain all the display objects. Code: ' + JSON.stringify(err));    
 });
 ```