代码微调，删除无用代码

src/components/draw-app/properties/LinkProperty.vue

@@ -1,12 +1,6 @@
 <template>
   <q-form>
-    <q-input
+    <q-input outlined readonly v-model="linkModel.id" label="id" hint="" />
-      outlined
-      readonly
-      v-model="linkModel.id"
-      label="id"
-      :rules="[(val) => val || '']"
-    />
     <q-input
       outlined
       v-model.number="linkModel.lineWidth"

src/jlgraphic/utils/GraphicUtils.ts

@@ -206,21 +206,6 @@ export function getCenterOfTwoRectangle(
   return new Point(x, y);
 }
 
-/**
- * 增量更新点坐标
- * @param p
- * @param dx
- * @param dy
- */
-export function updatePoint<P extends IPointData>(
-  p: P,
-  dx: number,
-  dy: number
-): P {
-  p.x += dx;
-  p.y += dy;
-  return p;
-}
 /**
  * 序列化图形变换
  * @param obj