app-inspector 执行后，打开浏览器看不到页面

* **Macaca Version**:2.0.18

* **Macaca Doctor Logs**:acaca-doctor version: 2.0.18

Node.js checklist:

node env: /usr/local/bin/node
node version: v12.12.0

iOS checklist:

macOS version: 11.2.3
Xcode Command Line Tools is ready, version: 2384.
xcodebuild version: 12.4
iproxy[usbmuxd] is installed at: `/usr/local/bin/iproxy`
ios_webkit_debug_proxy is installed at: `/usr/local/bin/ios_webkit_debug_proxy`

Android checklist:

JAVA version is `1.8`
JAVA_HOME is set to `/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home`
ANDROID_HOME is set to `/Users/dcc/Library/Android/sdk`
Platforms is set to `/Users/dcc/Library/Android/sdk/platforms/android-29`
ADB tool is set to `/Users/dcc/Library/Android/sdk/platform-tools/adb`
gradle is installed, version: 5.6

Installed driver list:

ios: 2.1.0
location: /usr/local/lib/node_modules/macaca-ios

* **Operate System**:

* **Programming Language**:

我想看ios的，iPhone12
app-inspector 环境检查都没问题，就是不能打开浏览器，手动访问localhost:5678，也加载不出来页面