fixed bug

src/main/java/io/github/exp1orer/util/HttpUtil.java

@@ -146,7 +146,7 @@ public class HttpUtil {
             }
 
             if (line.startsWith("Host")) {
-                host = line.split(":")[1].trim();
+                host = line.substring(line.indexOf(":") + 1).trim();
                 if (host.startsWith("https://")) {
                     protocol = "https";
                 }