Merge branch 'dev' of gitlab2.dui88.com:wanghongyuan/xiaoxiaole into dev

egret/src/mainScene/MainScene.ts

@@ -1149,8 +1149,12 @@ export default class MainScene extends Scene {
                     var downIndex = index;
                     while (this.emptys.indexOf(downIndex) > -1) {
                         arr.push(downIndex);
+                        if (this.lattices[downIndex].down != null) {
+                            downIndex = this.lattices[downIndex].down;
+                        } else {
                             downIndex += Tool.colNum;
                         }
+                    }
                     var p = Tool.getPositionByIndex(index);
                     var len = arr.length;//越前面的越上面，y越小