fix: IllegalArgumentException

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/authlibinjector/AuthlibInjectorServer.java

@@ -60,6 +60,7 @@ public class AuthlibInjectorServer implements Observable {
     private static final Gson GSON = new GsonBuilder().create();
 
     public static AuthlibInjectorServer locateServer(String url) throws IOException {
+        try {
             url = parseInputUrl(url);
             HttpURLConnection conn;
             int redirectCount = 0;
@@ -87,6 +88,9 @@ public class AuthlibInjectorServer implements Observable {
             } finally {
                 conn.disconnect();
             }
+        } catch (IllegalArgumentException e) {
+            throw new IOException(e);
+        }
     }
 
     private static Optional<String> getApiLocationIndication(URLConnection conn) {