Description: 升级服务文档修复错误

Signed-off-by: N戴琨 <jack.dai@huawei.com>

zh-cn/application-dev/device/sample-server-guidelines.md

@@ -175,7 +175,7 @@
 			"\"descriptPackageId\": \"abcdefg1234567ABCDEFG\","
 		"}],"
 		"\"descriptInfo\": [{"
-			"\"descriptPackageId\": \"abcdefg1234567ABCDEFG\","
+			"\"descriptionType\": 0,"
 			"\"content\": \"This package message is used for sampleContent\""
 		"}]"
 	"}";