Failed to start Chromedriver session

My chromedriver version is 2.26
webview version 53.0.2785
android version 7.1.1
appium version 1.8.0

other information: chrome inspect can catch this webview


I downgraded the chromedriver version to 2.20 and had switched WebView. But I’m afraid the low version chromedriver will have problems. What causes the problem, which brother can help answer?