diff --git a/web/application/controllers/main.php b/web/application/controllers/main.php
index b9744a9..49bf7ad 100644
--- a/web/application/controllers/main.php
+++ b/web/application/controllers/main.php
@@ -4,7 +4,9 @@ class main extends base
 {
     public function index()
     {
-        $jobs = \application\models\Jobs::getByField("user_id", $this->user->id);
-        echo $this->loadRender("main.html", ["jobs" => $jobs]);
+        if ($this->user) {
+	        $jobs = \application\models\Jobs::getByField("user_id", $this->user->id);
+	        echo $this->loadRender("main.html", ["jobs" => $jobs]);
+        }
     }
 }
\ No newline at end of file
diff --git a/web/system/vendor/DB.php b/web/system/vendor/DB.php
index c05a33f..dfb343a 100644
--- a/web/system/vendor/DB.php
+++ b/web/system/vendor/DB.php
@@ -157,6 +157,9 @@ class DB
 			case "SQLITE":
 				return self::fetch("PRAGMA table_info($table)", null, 1);
 				break;
+			case "MySQL":
+				return self::fetch("DESC $table", null, 0);
+				break;
 		}
 	}
 }
\ No newline at end of file