no message

src/views/followup/plan-manage/dialog/set-time-node.vue

@@ -608,8 +608,9 @@
         return flag
       },
       goSelectCartoon() {
-        const activeTabId = this.setTimeNodeList[this.activeTab].comentMsg.id;
-        if(activeTabId){
+        const comentMsg = this.setTimeNodeList[this.activeTab].comentMsg;
+        const activeTabId = (comentMsg && comentMsg.id) ? comentMsg.id : '';
+        if(comentMsg && activeTabId){
           this.activeComentId = String(activeTabId);
         }else{
           this.activeComentId = '';