update: server manage

app/Services/ServerService.php

@@ -333,6 +333,7 @@ class ServerService
             } else {
                 $server[$i]['last_check_at'] = Cache::get(CacheKey::get('SERVER_V2RAY_LAST_CHECK_AT', $server[$i]['id']));
             }
+            $server[$i]['available'] = (time() - 300) > $server[$i]['last_check_at'];
         }
         return $server->toArray();
     }
@@ -352,6 +353,7 @@ class ServerService
             } else {
                 $server[$i]['last_check_at'] = Cache::get(CacheKey::get('SERVER_TROJAN_LAST_CHECK_AT', $server[$i]['id']));
             }
+            $server[$i]['available'] = (time() - 300) > $server[$i]['last_check_at'];
         }
         return $server->toArray();
     }