diff --git a/src/views/BI/components/bottom_options.vue b/src/views/BI/components/bottom_options.vue
index 8719d80..ad73358 100644
--- a/src/views/BI/components/bottom_options.vue
+++ b/src/views/BI/components/bottom_options.vue
@@ -396,6 +396,7 @@ const fnBottomOptionsListChange = (item, index) => {
 const fnBottomChildOptionsListChange = (index, item1, index1) => {
   const singleChoiceType = ["historicalTrajectory", "realTimeTracking"];
   const currentItem = data.bottomOptionsList[index].list[index1];
+  // 点击的是单选的，把其他的取消选中
   if (singleChoiceType.includes(item1.type)) {
     for (let i = 0; i < data.bottomOptionsList.length; i++) {
       for (let j = 0; j < data.bottomOptionsList[i].list.length; j++) {
@@ -416,6 +417,7 @@ const fnBottomChildOptionsListChange = (index, item1, index1) => {
       isHistoricalTrajectory.value = false;
     }
   } else {
+    // 点击的不是单选的，找出单选的取消选中
     for (let i = 0; i < data.bottomOptionsList.length; i++) {
       for (let j = 0; j < data.bottomOptionsList[i].list.length; j++) {
         const currentForItem = data.bottomOptionsList[i].list[j];