test

@@ -68,6 +68,7 @@ export function clickSelect(G6) {
             } else {
                 if (self.shouldUpdate.call(self, e)) {
                     selectChangeFlag = true
+                    // 单选选中显示边框
                     graph.setItemState(item, SELECTED_STATE, true);
                 }
                 graph.emit('nodeselectchange', {target: item, select: true});
@@ -83,6 +84,7 @@ export function clickSelect(G6) {
             //     node.hideAnchor(graph)
             // });
             // item.showAnchor(graph)
+
         },
         onCanvasClick() {
 

@@ -59,6 +59,9 @@ export default {
                 graph.on('canvas:click', (e) => {
                     context.emit('click-canvas', e)
                 })
+                graph.on('node:mousedown', (e) => {
+                    context.emit('click-node-mousedown', e)
+                })
                 graph.on('node:click', (e) => {
                     context.emit('click-node', e)
                 })