kotlin項目報這種提示Please specify proper '-jvm-target' option

報錯資訊
Cannot inline bytecode buit with JVM target 1.8 into bytecode that is being built with JVM target 1.6.Please specify proper '-jvm-target' option      

解決方法：

在app目錄下build.gradle檔案裡面添加

kotlinOptions{
    jvmTarget = "1.8"
}      

比如：