fix

 /*
  * @Date: 2023-10-27 09:29:48
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2023-12-01 16:47:11
+ * @LastEditTime: 2023-12-01 17:40:28
  * @FilePath: /vue-flow-editor/doc/data.js
  * @Description: 初始化结构，数据都是固定的
  */
@@ -59,18 +59,21 @@ export const AppData = {
     ],
     edges: [
         {
+            shape: 'flow-polyline-round',
             source: 'start-node',
             sourceAnchor: 2,
             target: flow_id,
             targetAnchor: 0,
         },
         {
+            shape: 'flow-polyline-round',
             source: flow_id,
             sourceAnchor: 2,
             target: 'end-node',
             targetAnchor: 0,
         },
         {
+            shape: 'flow-polyline-round',
             source: flow_id,
             sourceAnchor: 3,
             target: cc_id,