diff --git a/frontend/src/renderer/src/views/Detection.vue b/frontend/src/renderer/src/views/Detection.vue
index 1c47400c..f3212390 100644
--- a/frontend/src/renderer/src/views/Detection.vue
+++ b/frontend/src/renderer/src/views/Detection.vue
@@ -25,7 +25,7 @@
           <!-- handleStartStop -->
           <el-button v-if="isRecording" @click="handleStartStop" type="primary" class="start-btn" style="background-image: linear-gradient(to right, rgb(236, 50, 166), rgb(160, 5, 216)); 
                   --el-button-border-color: #409EFF;
-              --el-button-border-color: transparent;width: 120px;height: 30px;font-size: 20px;" >
+              --el-button-border-color: transparent;width: 120px;height: 30px;font-size: 20px;">
             结束
           </el-button>
           <el-button v-if="isStart && isConnected" @click="saveDetectionData" type="primary" class="start-btn" style="background-image: linear-gradient(to right, #FBB106, #A817C6); 
@@ -77,18 +77,23 @@
             <div style="display: flex;">
               <div class="module-header">
                 <div style="display: flex;align-items: center;">
-                  <div class="module-title">
+                  <div class="module-title" style="width:230px">
                     <div class="module-title-bg">
                       <img src="@/assets/svg/u67.svg" alt="" srcset="" style="margin-right: 5px;">
                       头部姿态
                     </div>
+                    <el-button type="primary" class="start-btn" @click="calibrationClick" :disabled="isRecording"
+                      style="background-color: #0099ff;font-size: 14px;
+                           --el-button-border-color: transparent !important;border-radius: 20px;height:26px;border:none;width: 100px;">
+                      校准
+                    </el-button>
                   </div>
 
                 </div>
                 <div style="display: flex;align-items: center;">
                   <div :style="{ color: imuStatus == '已连接' ? '#00CC33' : '#808080' }" style="font-size: 14px;">{{
                     imuStatus
-                    }}</div>
+                  }}</div>
                   <el-button type="primary" class="start-btn" @click="clearAndStartTracking" :disabled="isRecording"
                     style="background-color: #0099ff;font-size: 14px;margin-left: 15px;
                            --el-button-border-color: transparent !important;border-radius: 20px;height:26px;border:none;width: 100px;">
@@ -103,6 +108,7 @@
             <div style="display: flex;justify-content: space-between;padding: 0px 10px;padding-top: 10px;">
               <div style="width: 33%;position: relative;">
                 <div class="chart-title">旋转角</div>
+                <div class="chart-titles">{{ headlist.rotation }}</div>
                 <div id="rotationChartId" style="width: 100%;height: 140px;"></div>
                 <div class="gauge-group-box">
                   <div class="gauge-group-box-text1">左：<span class="gauge-group-box-text2">{{
@@ -113,7 +119,8 @@
               </div>
               <div style="width: 33%;position: relative;">
                 <div class="chart-title">倾斜角</div>
-                <div id="pitchChartId" style="width: 100%;height: 140px;"></div>
+                <div class="chart-titles">{{ headlist.tilt }}</div>
+                <div id="tiltChartId" style="width: 100%;height: 140px;"></div>
                 <div class="gauge-group-box">
                   <div class="gauge-group-box-text1">左：<span class="gauge-group-box-text2">{{
                     headPoseMaxValues.tiltLeftMax.toFixed(1) }}°</span></div>
@@ -123,7 +130,8 @@
               </div>
               <div style="width: 33%;position: relative;">
                 <div class="chart-title">俯仰角</div>
-                <div id="tiltChartId" style="width: 100%;height: 140px;"></div>
+                <div class="chart-titles">{{ headlist.pitch }}</div>
+                <div id="pitchChartId" style="width: 100%;height: 140px;"></div>
                 <div class="gauge-group-box">
                   <div class="gauge-group-box-text1">俯：<span class="gauge-group-box-text2">{{
                     headPoseMaxValues.pitchDownMax.toFixed(1) }}°</span></div>
@@ -138,7 +146,7 @@
             </div>
             <!-- 历史数据表格 -->
             <div style="display: flex;justify-content: center;padding: 0px 10px;margin-top: 5px;height: 100%;">
-              <el-table :data="historyData" border style="width: 100%;overflow: auto;height: calc(100% - 280px);"  >
+              <el-table :data="historyData" border style="width: 100%;overflow: auto;height: calc(100% - 280px);">
                 <el-table-column prop="id" label="ID" align="center" width="60" />
                 <el-table-column label="最大旋转角" align="center">
                   <el-table-column prop="rotLeft" label="左" min-width="60" align="center" />
@@ -331,7 +339,8 @@
         </div>
       </div>
     </div>
-    <el-dialog class="tsDialog" v-model="resDialogVisible" center title="诊断信息" width="600" :before-close="reshandleClose">
+    <el-dialog class="tsDialog" v-model="resDialogVisible" center title="诊断信息" width="600"
+      :before-close="reshandleClose">
       <div style="margin-top:10px">
         <div class="dialog-title">
           <div class="dialog-title-item">
@@ -358,8 +367,10 @@
       </div>
       <template #footer>
         <span class="dialog-footer">
-          <el-button style="background: #323232;border:1px solid #787878;color: #ffffff;" @click="resDialogVisible = false">取消</el-button>
-          <el-button type="primary" style="background:#0099ff;" @click="handleDiagnosticInfo('diagnosed')">暂存</el-button>
+          <el-button style="background: #323232;border:1px solid #787878;color: #ffffff;"
+            @click="resDialogVisible = false">取消</el-button>
+          <el-button type="primary" style="background:#0099ff;"
+            @click="handleDiagnosticInfo('diagnosed')">暂存</el-button>
           <el-button type="primary" style="background:#0099ff;" @click="handleDiagnosticInfo('completed')">
             保存
           </el-button>
@@ -465,8 +476,8 @@
       </div>
       <template #footer>
         <span class="dialog-footer">
-          <el-button @click="handleClose" 
-          style="margin-right: 0px;background: #323232;border:1px solid #787878;color: #ffffff;">退出</el-button>
+          <el-button @click="handleClose"
+            style="margin-right: 0px;background: #323232;border:1px solid #787878;color: #ffffff;">退出</el-button>
           <el-button type="primary" style="background: #0099ff;" @click="handleSave" :loading="saveLoading">
             保存
           </el-button>
@@ -485,7 +496,7 @@ import html2canvas from 'html2canvas'
 import Header from '@/views/Header.vue'
 import { useAuthStore } from '../stores/index.js'
 import * as echarts from 'echarts'
-import { getBackendUrl ,patientAPI} from '../services/api.js'
+import { getBackendUrl, patientAPI } from '../services/api.js'
 const authStore = useAuthStore()
 const router = useRouter()
 const route = useRoute()
@@ -669,6 +680,11 @@ const formattedTime = computed(() => {
   const secs = seconds.value % 60;
   return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
 });
+const headlist = ref({
+  rotation: '0',
+  tilt: '0',
+  pitch: '0'
+})
 // 开始计时器
 const startTimer = () => {
   if (isRunning.value) return;
@@ -974,66 +990,69 @@ const headPoseMaxValues = ref({
 const headPoseHistory = ref([])
 const headPoseData = ref({})
 
+// IMU更新节流与抖动阈值（降低频繁DOM与图表更新导致的卡顿）
+let lastIMUUpdateTs = 0
+const IMU_MIN_INTERVAL_MS = 33 // 约30Hz
+let lastIMUValues = { rotation: null, tilt: null, pitch: null }
+const IMU_CHANGE_EPS = 0.1 // 小于0.1°的变化忽略
+
 // 最值跟踪状态
 const isTrackingMaxValues = ref(false)
 
 // 处理IMU头部姿态数据
 function handleIMUData(data) {
   try {
-    if (data && data.head_pose) {
-      const headPose = data.head_pose
+    if (!data) return
+    headlist.value.rotation = data.rotation // 旋转角度
+    headlist.value.tilt = data.tilt // 倾斜角度
+    headlist.value.pitch = data.pitch // 俯仰角度
+    // 兼容两种载荷结构：
+    // 1) { rotation, tilt, pitch }
+    // 2) { head_pose: { rotation, tilt, pitch } }
+    const rotation = (data.rotation ?? (data.head_pose && data.head_pose.rotation))
+    const tilt = (data.tilt ?? (data.head_pose && data.head_pose.tilt))
+    const pitch = (data.pitch ?? (data.head_pose && data.head_pose.pitch))
 
-      // 更新头部姿态数据
-      // console.log('🎯 更新IMU头部姿态数据:', {
-      //   rotation: headPose.rotation,  // 旋转角：左旋(-), 右旋(+)
-      //   tilt: headPose.tilt,         // 倾斜角：左倾(-), 右倾(+)
-      //   pitch: headPose.pitch        // 俯仰角：俯角(-), 仰角(+)
-      // })
-      if (rotationCharts) {
-        rotationCharts.setOption({
-          series: [{
-            data: [{
-              value: headPose.rotation.toFixed(1)
-            }]
-          }]
-        })
-      }
-      if (pitchCharts) {
-        pitchCharts.setOption({
-          series: [{
-            data: [{
-              value: headPose.pitch.toFixed(1)
-            }]
-          }]
-        })
-      }
-      if (tiltCharts) {
-        tiltCharts.setOption({
-          series: [{
-            data: [{
-              value: headPose.tilt.toFixed(1)
-            }]
-          }]
-        })
-      }
-      // 显示角度值（保留一位小数）
-      // console.log(`📐 头部姿态角度 - 旋转: ${headPose.rotation.toFixed(1)}°, 倾斜: ${headPose.tilt.toFixed(1)}°, 俯仰: ${headPose.pitch.toFixed(1)}°`)
-
-      // 如果正在跟踪最值，则更新最值数据
-      // if (isTrackingMaxValues.value) {
-      updateHeadPoseMaxValues(headPose)
-      // }
-
-      // 这里可以添加数据可视化逻辑
-      // 例如更新图表或显示数值
-
-      // 如果有图表组件，可以在这里更新数据
-      // updateHeadPoseChart({
-      //   rotation: headPose.rotation,
-      //   tilt: headPose.tilt,
-      //   pitch: headPose.pitch
-      // })
+    if (rotation === undefined || tilt === undefined || pitch === undefined) {
+      return
     }
+
+    const now = (typeof performance !== 'undefined' && performance.now) ? performance.now() : Date.now()
+
+    // 若距离上次更新时间很短且变化不明显，则跳过避免频繁DOM更新
+    const tooSoon = (now - lastIMUUpdateTs) < IMU_MIN_INTERVAL_MS
+    const notSignificant = (
+      lastIMUValues.rotation !== null && Math.abs(rotation - lastIMUValues.rotation) < IMU_CHANGE_EPS &&
+      lastIMUValues.tilt !== null && Math.abs(tilt - lastIMUValues.tilt) < IMU_CHANGE_EPS &&
+      lastIMUValues.pitch !== null && Math.abs(pitch - lastIMUValues.pitch) < IMU_CHANGE_EPS
+    )
+    if (tooSoon && notSignificant) return
+
+    lastIMUUpdateTs = now
+    lastIMUValues = { rotation, tilt, pitch }
+
+    const rVal = Math.round(rotation * 10) / 10
+    const pVal = Math.round(pitch * 10) / 10
+    const tVal = Math.round(tilt * 10) / 10
+
+    if (rotationCharts) {
+      rotationCharts.setOption({
+        series: [{ data: [{ value: rVal }] }]
+      })
+    }
+    if (pitchCharts) {
+      pitchCharts.setOption({
+        series: [{ data: [{ value: pVal }] }]
+      })
+    }
+    if (tiltCharts) {
+      tiltCharts.setOption({
+        series: [{ data: [{ value: tVal }] }]
+      })
+    }
+
+    // 更新最值跟踪逻辑使用原始数值（不做四舍五入）
+    updateHeadPoseMaxValues({ rotation, tilt, pitch })
   } catch (error) {
     console.error('❌ 处理IMU数据失败:', error)
   }
@@ -2019,21 +2038,38 @@ const initchart = () => {
     } else {
       console.warn('找不到 ID 为  的 DOM 元素');
     }
-      // 添加窗口大小调整监听器
-      window.addEventListener('resize', () => {
-        if (rotationCharts) {
-          rotationCharts.resize();
-        }
-        if (pitchCharts) {
-          pitchCharts.resize();
-        }
-        if (tiltCharts) {
-          tiltCharts.resize();
-        }
-      });
+    // 添加窗口大小调整监听器
+    window.addEventListener('resize', () => {
+      if (rotationCharts) {
+        rotationCharts.resize();
+      }
+      if (pitchCharts) {
+        pitchCharts.resize();
+      }
+      if (tiltCharts) {
+        tiltCharts.resize();
+      }
+    });
   });
 }
+const calibrationClick = async () => {
+  const response = await fetch(`${BACKEND_URL}/api/devices/calibrate/imu`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify({})
+  })
+  if (response.ok) {
+    const result = await response.json()
+    if (result.success) {
+      ElMessage.success(result.message)
+    } else {
+      ElMessage.error(result.message)
+    }
+  }
 
+}
 onMounted(() => {
   // 加载患者信息
   loadPatientInfo()
@@ -2689,6 +2725,18 @@ onUnmounted(() => {
   color: #EEF1FA;
 }
 
+.chart-titles {
+  position: absolute;
+  top: 4px;
+  right: 7px;
+  z-index: 2000;
+  font-family: 'Arial Negreta', 'Arial Normal', 'Arial', sans-serif;
+  font-weight: 700;
+  font-style: normal;
+  font-size: 14px;
+  color: #EEF1FA;
+}
+
 :deep(.el-table--border .el-table__inner-wrapper:after, .el-table--border:after, .el-table--border:before, .el-table__inner-wrapper:before) {
   background-color: rgb(81, 81, 81) !important;
 }
@@ -2707,44 +2755,54 @@ onUnmounted(() => {
   background-color: #282828 !important;
   border-right: 1px solid rgb(81, 81, 81) !important;
 }
-:deep(.el-scrollbar__wrap){
+
+:deep(.el-scrollbar__wrap) {
   background: #282828 !important;
 }
-:deep(.tsDialog.el-dialog){
+
+:deep(.tsDialog.el-dialog) {
   background-color: #323232;
-  padding:0px;
-  padding-bottom:20px;
+  padding: 0px;
+  padding-bottom: 20px;
 }
-:deep(.tsDialog.el-dialog .el-input__wrapper){
+
+:deep(.tsDialog.el-dialog .el-input__wrapper) {
   background-color: #242424;
   border: none;
   box-shadow: none;
 }
-:deep(.tsDialog.el-dialog .el-select__wrapper){
+
+:deep(.tsDialog.el-dialog .el-select__wrapper) {
   background-color: #242424;
   border: none;
   box-shadow: none;
 }
-:deep(.tsDialog.el-dialog .el-input__inner){
+
+:deep(.tsDialog.el-dialog .el-input__inner) {
   color: #ffffff;
 }
-:deep(.tsDialog.el-dialog .el-select__placeholder){
+
+:deep(.tsDialog.el-dialog .el-select__placeholder) {
   color: #ffffff;
 }
-:deep(.tsDialog.el-dialog .el-dialog__header){
+
+:deep(.tsDialog.el-dialog .el-dialog__header) {
   border-bottom: 1px solid #1e1e1e;
-  padding:10px 20px;
+  padding: 10px 20px;
 }
+
 :deep(.tsDialog.el-dialog .el-textarea__inner) {
   background: #242424;
   color: #ffffff;
-  box-shadow:none;
+  box-shadow: none;
 }
-:deep( .el-dialog__body){
-  padding:20px;
+
+:deep(.el-dialog__body) {
+  padding: 20px;
 }
-:deep(.el-dialog__footer){
-  padding:0px 20px;
+
+:deep(.el-dialog__footer) {
+  padding: 0px 20px;
 }
 </style>
 <style>