日志如下：
Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/screenshot
[HTTP] {}
[MJSONWP (67600ba3)] Calling AppiumDriver.getScreenshot() with args: ["67600ba3-eddc-4c6a-be63-e3f93abd08be"]
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/source
[HTTP] {}
[MJSONWP (67600ba3)] Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/window/current/size
[HTTP] {}
[MJSONWP (67600ba3)] Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/screenshot
[HTTP] {}
[MJSONWP (67600ba3)] Calling AppiumDriver.getScreenshot() with args: ["67600ba3-eddc-4c6a-be63-e3f93abd08be"]
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/source
[HTTP] {}
[MJSONWP (67600ba3)] Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/window/current/size
[HTTP] {}
[MJSONWP (67600ba3)] Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/source
[HTTP] {}
[MJSONWP (67600ba3)] Driver proxy active, passing request on via HTTP proxy
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/screenshot
[HTTP] {}
[MJSONWP (67600ba3)] Calling AppiumDriver.getScreenshot() with args: ["67600ba3-eddc-4c6a-be63-e3f93abd08be"]
[HTTP] --> GET /wd/hub/session/67600ba3-eddc-4c6a-be63-e3f93abd08be/window/current/size

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