fix bpmn bug

src/components/workflow/formTaskProcessViewer.vue

@@ -34,6 +34,7 @@ export default {
   },
   methods: {
     async getTaskHighlightData () {
+      this.finishedInfo = undefined;
       if (this.processInstanceId == null || this.processInstanceId === '') {
         return;
       }
@@ -49,6 +50,7 @@ export default {
       // }).catch(e => {});
     },
    async getTaskProcessXml () {
+    this.taskProcessXml = undefined;
       let params = {
         processDefinitionId: this.processDefinitionId
       }