diff --git a/src/Draw/drawThreeRect.js b/src/Draw/drawThreeRect.js
index a6fa819..f77600c 100644
--- a/src/Draw/drawThreeRect.js
+++ b/src/Draw/drawThreeRect.js
@@ -33,8 +33,7 @@ class DrawThreeRect extends Draw {
         },
         polyline: {
           positions: new Cesium.CallbackProperty((e) => {
-            // return that.positions.concat(that.positions[0])
-            return that.positionsLine
+            return that.positions.concat(that.positions[0])
           }),
           width: 2,
           material: Cesium.Color.fromCssColorString('#c1c505').withAlpha(0.5),