update

app/Http/Controllers/api/Home.php

@@ -121,7 +121,7 @@ class Home extends Controller
         $target =  request()->input('a',15);
         $target= intval($target);
         echo $target;
-        echo "\n";
+        echo "<br/>";
         $matchingNumbers = $this->getMatchingNumbers($target);
         if ($matchingNumbers !== null) {
             echo "找到的数字是：" . implode(", ", $matchingNumbers);