From d96d14079748308b2e997c948fde51c3d9f23be0 Mon Sep 17 00:00:00 2001
From: "@shi-xiaoxiao-iris" <shixiaoxiao2@huawei.com>
Date: Fri, 14 Oct 2022 10:07:47 +0800
Subject: [PATCH] =?UTF-8?q?[=E5=88=86=E5=B8=83=E5=BC=8F=E7=A1=AC=E4=BB=B6]?=
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Signed-off-by: @shi-xiaoxiao-iris <shixiaoxiao2@huawei.com>
---
 .../reference/apis/js-apis-device-manager.md  | 24 +++++++------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/zh-cn/application-dev/reference/apis/js-apis-device-manager.md b/zh-cn/application-dev/reference/apis/js-apis-device-manager.md
index a6f6fa7651..4e0f3581ec 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-device-manager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-device-manager.md
@@ -294,15 +294,11 @@ getTrustedDeviceList(): Promise&lt;Array&lt;DeviceInfo&gt;&gt;
 
 - 示例：
   ```js
-  try {
-    dmInstance.getTrustedDeviceList().then((data) => {
-      console.log('get trusted device info: ' + JSON.stringify(data));
-      }).catch((err) => {
-        console.error("getTrustedDeviceList errCode:" + err.code + ",errMessage:" + err.message);
-    });
-  } catch (err) {
+  dmInstance.getTrustedDeviceList().then((data) => {
+    console.log('get trusted device info: ' + JSON.stringify(data));
+    }).catch((err) => {
       console.error("getTrustedDeviceList errCode:" + err.code + ",errMessage:" + err.message);
-  }
+  });
   ```
 
 ### getLocalDeviceInfoSync<sup>8+</sup>
@@ -371,15 +367,11 @@ getLocalDeviceInfo(): Promise&lt;DeviceInfo&gt;
 
 - 示例：
   ```js
-  try {
-    dmInstance.getLocalDeviceInfo().then((data) => {
-      console.log('get local device info: ' + JSON.stringify(data));
-    }).catch((err) => {
-      console.error("getLocalDeviceInfo errCode:" + err.code + ",errMessage:" + err.message);
-    });
-  } catch (err) {
+  dmInstance.getLocalDeviceInfo().then((data) => {
+    console.log('get local device info: ' + JSON.stringify(data));
+  }).catch((err) => {
     console.error("getLocalDeviceInfo errCode:" + err.code + ",errMessage:" + err.message);
-  }
+  });
   ```
 
 ### startDeviceDiscovery8+</sup>
-- 
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