debug] [Chromedriver] Chromedriver version: '2.28.455517'
[debug] [JSONWP Proxy] Matched '/status' to command name 'getStatus'
[debug] [JSONWP Proxy] Proxying [GET /status] to [GET http://127.0.0.1:8000/wd/hub/status] with no body
[debug] [JSONWP Proxy] Got response with status 200: "{\"sessionId\":\"\",\"status\":0,\"value\":{\"build\":{\"version\":\"alpha\"},\"os\":{\"arch\":\"x86_64\",\"name\":\"Mac OS X\",\"version\":\"10.13.4\"}}}"
[debug] [JSONWP Proxy] Matched '/session' to command name 'createSession'
[debug] [JSONWP Proxy] Proxying [POST /session] to [POST http://127.0.0.1:8000/wd/hub/session] with body: {"desiredCapabilities":{"chromeOptions":{"androidPackage":"com.coohua.xinwenzhuan","androidUseRunningApp":true,"androidProcess":"com.tencent.mm:tools","androidDeviceSerial":"82b6f1c"}}}
[debug] [JSONWP Proxy] Got response with status 200: {"sessionId":"9c71304de92d2c7342a2861819f064e7","status":100,"value":{"message":"chrome not reachable\n (Driver info: chromedriver=2.28.455517 (2c6d2707d8ea850c862f04ac066724273981e88f),platform=Mac OS X 10.13.4 x86_64)"}}
[debug] [MJSONWP] Matched JSONWP error code 100 to UnknownError
[Chromedriver] Error: Failed to start Chromedriver session: An unknown server-side error occurred while processing the command. Original error: chrome not reachable
Chromedriver
[Chromedriver] at Object.wrappedLogger.errorAndThrow (/usr/local/lib/node_modules/appium/node_modules/_appium-support@2.20.0@appium-support/lib/logging.js:78:13)
[Chromedriver] at Chromedriver.callee$2$0$ (/usr/local/lib/node_modules/appium/node_modules/_appium-chromedriver@4.4.0@appium-chromedriver/lib/chromedriver.js:448:13)
[Chromedriver] at tryCatch (/usr/local/lib/node_modules/appium/node_modules/_babel-runtime@5.8.24@babel-runtime/regenerator/runtime.js:67:40)
[Chromedriver] at GeneratorFunctionPrototype.invoke as _invoke
[Chromedriver] at GeneratorFunctionPrototype.prototype.(anonymous function) as throw
[Chromedriver] at GeneratorFunctionPrototype.invoke (/usr/local/lib/node_modules/appium/node_modules/_babel-runtime@5.8.24@babel-runtime/regenerator/runtime.js:136:37)
[Chromedriver] at

我这块儿也是报这个错，一直解决不了，求教
我的手机 OPPO A57，Android System Webview 版本为：55.0.2888.91，对应的 Chromedriver 版本用的是：2.28