diff --git a/public/index.html b/public/index.html
index 4c93e7a..4187343 100644
--- a/public/index.html
+++ b/public/index.html
@@ -17,7 +17,7 @@
 
     <script>
         window.readVcdFile = async () => {
-            const response = await fetch('FFT_IFFT.vcd');
+            const response = await fetch('test.vcd');
             const blob = await response.blob();
             const reader = new FileReader();
             return new Promise((resolve, reject) => {
diff --git a/src/components/pivot/axis-item.vue b/src/components/pivot/axis-item.vue
index 6f81e8b..544f582 100644
--- a/src/components/pivot/axis-item.vue
+++ b/src/components/pivot/axis-item.vue
@@ -25,7 +25,7 @@ const props = defineProps({
 });
 
 const itemStyle = computed(() => ({
-    left: props.pivot.x - boxShift + 'px'
+    left: (props.pivot || { x: 0 }).x - boxShift + 'px'
 }));
 
 function makeDiffLabel() {
@@ -34,7 +34,7 @@ function makeDiffLabel() {
         const currentPivot = Id2Pivot.get(currentPivotId);
         if (currentPivot) {
             const t1 = cursorX2time(currentPivot.x);
-            const t2 = cursorX2time(props.pivot.x);
+            const t2 = cursorX2time((props.pivot || { x: 0 }).x);
             const relativeTime = t2 - t1;
             return formatTime(relativeTime, globalLookup.timescale);
         }
diff --git a/src/components/pivot/pivot-view.js b/src/components/pivot/pivot-view.js
index f192bac..e6db0ed 100644
--- a/src/components/pivot/pivot-view.js
+++ b/src/components/pivot/pivot-view.js
@@ -2,6 +2,7 @@ import { reactive, ref } from "vue";
 import { time2cursorX, SystemPivot } from "./cursor";
 import { globalLookup } from "@/hook/global";
 import formatTime from "@/hook/wave-view/format-time";
+import { RelativeAxis } from './relative-axis';
 
 /**
  * @description 每一个动态信标
@@ -82,6 +83,12 @@ export function deletePivot(time) {
         UserPivots.delete(time);
         Id2Pivot.delete(pivot.id);
         UserPivotCtxShows.delete(pivot.id);
+
+        // 如果当前的删除的信标刚好是相对坐标轴的，那么把相对坐标轴也隐藏
+        if (RelativeAxis.show && RelativeAxis.currentPivotId === pivot.id) {
+            RelativeAxis.show = false;
+            currentPivotId.value = 0;
+        }
     }
 
     currentPivotId.value = 0;