修正直线起点错误的问题

src/Add-on/DrawLine.ts

@@ -37,9 +37,10 @@ export class DrawLine implements Command
         let drawLines: Line[] = [];
         while (true)
         {
-            let line = new Line(ptLast);
+            let line = new Line();
             let ucsMatrix = app.m_Editor.UCSMatrix;
             line.ApplyMatrix(ucsMatrix);
+            line.StartPoint = ptLast;
 
             let isFirstAndTan = (isTan && drawLines.length === 0 && cir);
             if (isFirstAndTan)