Merge pull request #391 from dljgs1/v2.x

fix flyTo

project/functions.js

@@ -188,7 +188,7 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 	var fromId = core.status.floorId;
 
 	// 检查能否飞行
-	if (!core.status.maps[fromId].canFlyTo || !core.status.maps[toId].canFlyTo) {
+	if (!core.status.maps[fromId].canFlyTo || !core.status.maps[toId].canFlyTo || !core.hasVisitedFloor(toId)) {
 		core.drawTip("无法飞往" + core.status.maps[toId].title + "！");
 		return false;
 	}