diff --git a/src/components/pivot/moving-pivot.vue b/src/components/pivot/moving-pivot.vue
index 39ef005..d37d088 100644
--- a/src/components/pivot/moving-pivot.vue
+++ b/src/components/pivot/moving-pivot.vue
@@ -63,22 +63,20 @@ function onMousemove(event) {
     MovingPivot.label = formatTime(currentT, timescale);
     MovingPivot.left = time2cursorX(currentT);
 
-    const pivot = UserPivots.get(currentT);
-    if (pivot !== undefined) {
-        MovingPivot.show = false;
-        MovingPivot.currentTakenPivot = pivot;
-        return;
-    }
+    // const pivot = UserPivots.get(currentT);
+    // if (pivot !== undefined) {
+    //     MovingPivot.show = false;
+    //     MovingPivot.currentTakenPivot = pivot;
+    //     return;
+    // }
+
 
-    if (MovingPivot.currentTakenPivot !== undefined) {
-        return;
-    }
     // 通过计算距离最近的用户信标，来决定是否要消失，给与用户信标空间来执行额外操作
     const userPivot = getNearestUserPivot(currentT);
     
     if (userPivot) {
         const marginX = Math.abs(x - userPivot.x);
-        if (marginX < 25) {
+        if (marginX < 12) {
             // 此时距离用户信标比较近，隐藏主信标
             MovingPivot.show = false;
             MovingPivot.currentTakenPivot = userPivot;
diff --git a/src/components/pivot/named-axis-item.vue b/src/components/pivot/named-axis-item.vue
index 450ea4d..45700cb 100644
--- a/src/components/pivot/named-axis-item.vue
+++ b/src/components/pivot/named-axis-item.vue
@@ -39,7 +39,6 @@ const containerStyle = computed(() => ({
 
 const itemStyle = computed(() => ({
     left: getPivot().left - boxShift + 'px',
-    
 }));
 
 function getPivot() {
diff --git a/src/components/sidebar/handle-contextmenu.js b/src/components/sidebar/handle-contextmenu.js
index fd5f1f6..c4bd156 100644
--- a/src/components/sidebar/handle-contextmenu.js
+++ b/src/components/sidebar/handle-contextmenu.js
@@ -2,6 +2,7 @@ import { globalLookup } from "@/hook/global";
 import { computed, nextTick, reactive } from "vue";
 import { updateColorPickerManage } from "./color-picker";
 import { WaveContainerView } from "@/hook/wave-container-view";
+import { sidebarSelectedWires } from "@/hook/sidebar-select-wire";
 
 /**
  * @namespace contextmenu
@@ -249,6 +250,21 @@ export function deleteSignalByView() {
     const signal = contextmenu.currentWire;
     if (signal) {
         WaveContainerView.delete(signal);
+        sidebarSelectedWires.delete(signal.link);
+    }
+
+    contextmenu.show = false;
+}
+
+
+export function deleteAllSelectedSignals() {
+
+    for (const link of globalLookup.sidebarSelectedWireLinks) {
+        const signal = globalLookup.link2CurrentWires.get(link);
+        if (signal) {
+            WaveContainerView.delete(signal);
+            sidebarSelectedWires.delete(link);
+        }
     }
 
     contextmenu.show = false;
diff --git a/src/components/sidebar/signal-context-menu.vue b/src/components/sidebar/signal-context-menu.vue
index b856b66..adea587 100644
--- a/src/components/sidebar/signal-context-menu.vue
+++ b/src/components/sidebar/signal-context-menu.vue
@@ -8,6 +8,13 @@
                 <span class="menu-item-icon iconfont icon-delete"></span>
                 <span class="menu-item-name">{{ t('context-menu.delete') }}</span>
             </div>
+            <div
+                class="menu-item-container"
+                @click="deleteAllSelectedSignals()"
+            >
+                <span class="menu-item-icon iconfont icon-delete"></span>
+                <span class="menu-item-name">{{ t('context-menu.delete-all-select') }}</span>
+            </div>
             <div
                 class="menu-item-container"
                 @click="createGroup()"
@@ -74,7 +81,7 @@ import { defineComponent, reactive, ref } from 'vue';
 
 import { globalLookup } from '@/hook/global';
 import { useI18n } from 'vue-i18n';
-import { colorPicker, contextmenu, deleteSignalByView } from './handle-contextmenu';
+import { colorPicker, contextmenu, deleteAllSelectedSignals, deleteSignalByView } from './handle-contextmenu';
 import { makeIconClass } from '@/hook/utils';
 import ColorPicker from './color-picker.vue';
 import ExistGroup from './exist-group.vue';
diff --git a/src/i18n/en.json b/src/i18n/en.json
index 2ad154f..d8b7de4 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -58,6 +58,7 @@
     "context-menu.join-group": "join created group",
     "context-menu.change-color": "change color",
     "context-menu.delete": "delete signal",
+    "context-menu.delete-all-select": "delete all the selected signals",
 
     "context-menu.signal.name": "signal name",
     "context-menu.signal.type": "signal type",
diff --git a/src/i18n/zh.json b/src/i18n/zh.json
index 95636f9..ef6f2c3 100644
--- a/src/i18n/zh.json
+++ b/src/i18n/zh.json
@@ -56,6 +56,7 @@
     "context-menu.join-group": "加入已有分组",
     "context-menu.change-color": "修改颜色",
     "context-menu.delete": "删除信号",
+    "context-menu.delete-all-select": "删除所有选中信号",
 
     "context-menu.signal.name": "信号名称",
     "context-menu.signal.type": "信号类型",