fix: 树节点位置偏移调整

src/components/TreeNode.vue

@@ -43,7 +43,7 @@ export default {
     containerStyle() {
       return {
         top: `${this.positionY * 130}px`,
-        left: `${280 * this.positionX}px`,
+        left: `${280 * this.positionX - 100}px`,
         width: `${this.nodeStyle.width + this.nodeStyle.padding * 2}px`,
         height: `${this.nodeStyle.height + this.nodeStyle.padding * 2}px`,
       };