[修正] 当图例缩放为undefind时默认设置为1

src/app/working-area/model/axLegend.ts

@@ -24,10 +24,10 @@ export class AxLegend extends AxShape {
         super(assetData, workingArea);
         this.angle = -this.workingArea.backgroundImage.angle;
         this.name = this.assetData.Id;
-        this.pivot.set(this.assetData.PivotX, this.assetData.PivotY);
+        this.pivot.set(this.assetData.PivotX == undefined ? 0 : this.assetData.PivotX, this.assetData.PivotY == undefined ? 0 : this.assetData.PivotY);
         this.x = this.assetData.Point.x;
         this.y = this.assetData.Point.y;
-        this.scale.set(this.assetData.Scale);
+        this.scale.set(this.assetData.Scale == undefined ? 1 : this.assetData.Scale);
         this.shapeMap = shapeMap;
         this.createPoint();
         this.refresh();