fix

app/Models/Server.php

@@ -149,10 +149,10 @@ class Server extends BaseModel
         }
         return false;
     }
-    public function isServerReady($tries)
+    public function isServerReady(int $tries = 3)
     {
         $serverUptimeCheckNumber = $this->unreachable_count + 1;
-        $serverUptimeCheckNumberMax = $tries ?? 3;
+        $serverUptimeCheckNumberMax = $tries;
 
         ray('server: ' . $this->name);
         ray('serverUptimeCheckNumber: ' . $serverUptimeCheckNumber);