diff --git a/src/Obj/Base/GroundSvg/index.js b/src/Obj/Base/GroundSvg/index.js
index 3f1200c..e6916ae 100644
--- a/src/Obj/Base/GroundSvg/index.js
+++ b/src/Obj/Base/GroundSvg/index.js
@@ -1335,8 +1335,8 @@ class GroundSvg extends Base {
               w = (Math.cos(radiansW) * distance) * 2
               h = (Math.cos(radiansH) * distance) * 2
               // scaleY值
-              this.scale.x = w / 3.5
-              this.scale.y = h / 3.5
+              this.scale.x = Math.abs(w) / 3.5
+              this.scale.y = Math.abs(h) / 3.5
               break
             case 'svg-control-points_2':
             case 'svg-control-points_8':
@@ -1407,8 +1407,8 @@ class GroundSvg extends Base {
               w = (Math.cos(radiansW) * distance) * 2
               h = (Math.cos(radiansH) * distance) * 2
               // scaleY值
-              this.scale.x = w / 3.5
-              this.scale.y = h / 3.5
+              this.scale.x = Math.abs(w) / 3.5
+              this.scale.y = Math.abs(h) / 3.5
               break
             case 'svg-control-points_4':
               bearingW = (((turf.rhumbBearing(pointC, turf.point(controlPoints[4])) + 360) - this.angle) % 360)