expected url scheme

java.lang.IllegalArgumentException: Expected URL scheme 'http' or 'https' but no colon was found

今天在开发的过程中发现了如下错误：java.lang.IllegalArgumentException: Expected URL scheme 'http' or 'https' but no colon was found at okhttp3.HttpUrl$Builder.parse(HttpUrl.java:1332) ~[okhttp-3.14.9.jar:?] at okhttp3.