oppo R15机型无法查看页面元素（AirtestIDE_2018-10-11_py3_win64）

复现步骤
连接OPPO手机（R15）
连接OPPO手机（手动安装AirtestIDE\airtest\core\android\static\apks下应用，并设置Yosemite输入法设为默认输入法）
观察左边UI渲染树无效果无法显示
预期效果
(左边UI渲染树显示UI元素)
AirtestIDE_2018-10-11_py3_win64
python 版本: python3
操作系统: Windows10 64bit
设备: OPPO
型号: [PADM00]
系统: [Android 8.1]
(别的信息)
```
Traceback (most recent call last):
File "airtest\core\android\adb.py", line 368, in shell
File "airtest\core\android\adb.py", line 326, in raw_shell
File "airtest\core\android\adb.py", line 187, in cmd
airtest.core.error.AdbError: stdout[b''] stderr[b'']
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "app\plugins\poco\poco_probe.py", line 241, in initPoco
File "poco\drivers\android\uiautomation.py", line 146, in init
File "airtest\core\android\ime.py", line 109, in start
File "airtest\core\android\ime.py", line 77, in start
File "airtest\core\android\adb.py", line 370, in shell
airtest.core.error.AdbShellError: stdout[b''] stderr[b'']
initializing Android poco.
[10:26:33][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell dumpsys activity top
[10:26:33][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell dumpsys package com.netease.nie.yosemite
[10:26:33][INFO] local version code is 287, installed version code is 287
[10:26:33][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell settings get secure default_input_method
[10:26:34][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell ime list -a
[10:26:34][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell ime enable com.netease.nie.yosemite/.ime.ImeService
Traceback (most recent call last):
File "airtest\core\android\adb.py", line 368, in shell
File "airtest\core\android\adb.py", line 326, in raw_shell
File "airtest\core\android\adb.py", line 187, in cmd
airtest.core.error.AdbError: stdout[b''] stderr[b'']
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "app\plugins\poco\poco_probe.py", line 241, in initPoco
File "poco\drivers\android\uiautomation.py", line 146, in init
File "airtest\core\android\ime.py", line 109, in start
File "airtest\core\android\ime.py", line 77, in start
File "airtest\core\android\adb.py", line 370, in shell
airtest.core.error.AdbShellError: stdout[b''] stderr[b'']
initializing Android poco.
[10:26:36][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell dumpsys activity top
[10:26:37][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell dumpsys package com.netease.nie.yosemite
[10:26:37][INFO] local version code is 287, installed version code is 287
[10:26:37][DEBUG] E:\迅雷下载\AirtestIDE_2018-10-11_py3_win64\AirtestIDE_2018-10-11_py3_win64\airtest\core\android\static\adb\windows\adb.exe -P 5037 -s 93d2aa4c shell settings get secure default_input_method
```