Fix:修复多选节点时在节点上松开鼠标时框选区域不会消失的问题

simple-mind-map/src/plugins/Select.js

@@ -89,7 +89,13 @@ class Select {
         }
       )
     })
-    this.mindMap.on('mouseup', () => {
+    this.onMouseup = this.onMouseup.bind(this)
+    this.mindMap.on('mouseup', this.onMouseup)
+    this.mindMap.on('node_mouseup', this.onMouseup)
+  }
+
+  // 结束框选
+  onMouseup() {
     if (this.mindMap.opt.readonly) {
       return
     }
@@ -105,7 +111,6 @@ class Select {
     setTimeout(() => {
       this.isSelecting = false
     }, 0)
-    })
   }
 
   // 如果激活节点改变了，那么触发事件