diff --git a/src/views/perfManage/overview/index.vue b/src/views/perfManage/overview/index.vue
index 3bae36fe..d3138a3f 100644
--- a/src/views/perfManage/overview/index.vue
+++ b/src/views/perfManage/overview/index.vue
@@ -1,7 +1,8 @@
 <template>
   <div class="dashboard-cards">
-    <div style="font-size:32px; font-weight: bold;  margin-bottom: 20px;    text-align: center;">
+    <div style="font-size:32px; font-weight: bold;  margin-bottom: 20px; text-align: center; position: relative;">
       Dashboard
+      <span class="control-tower-badge">IMS Control Tower</span>
     </div>
     <div style="margin-bottom: 24px; text-align: right;">
       <label style="margin-right: 8px; font-weight: 600;">NE：</label>
@@ -17,16 +18,16 @@
         :allow-clear="false"
       />
       <!-- 调试信息 -->
-      <div style="margin-top: 8px; font-size: 12px; color: #666;">
-        WebSocket状态: {{ wsStatus }} | 数据点数量: {{ imsRealtimeRawData.length }}
-      </div>
-      <a-button
-        type="primary"
-        style="margin-left: 16px;"
-        @click="testDataUpdate"
-      >
-        测试数据更新
-      </a-button>
+<!--      <div style="margin-top: 8px; font-size: 12px; color: #666;">-->
+<!--        WebSocket状态: {{ wsStatus }} | 数据点数量: {{ imsRealtimeRawData.length }}-->
+<!--      </div>-->
+<!--      <a-button-->
+<!--        type="primary"-->
+<!--        style="margin-left: 16px;"-->
+<!--        @click="testDataUpdate"-->
+<!--      >-->
+<!--        测试数据更新-->
+<!--      </a-button>-->
       <!--      <div style="margin-top: 8px; font-size: 12px; color: #666;">-->
       <!--        WebSocket状态: {{ wsStatus }} | 数据点数量: {{ imsRealtimeRawData.length }}-->
       <!--      </div>-->
@@ -354,7 +355,7 @@ function updateActiveCallsChart() {
     const xAxisData = [1, 2, 3, 4, 5]
 
     chart.setOption({
-      grid: { left: 0, right: 0, top: 10, bottom: 10 },
+      grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
       xAxis: { type: 'category', show: false, data: xAxisData },
       yAxis: { type: 'value', show: false },
       series: [{
@@ -388,7 +389,7 @@ function updateActiveCallsChart() {
   const latestValue = chartData[chartData.length - 1]
 
   chart.setOption({
-    grid: { left: 0, right: 0, top: 10, bottom: 10 },
+    grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
     xAxis: { type: 'category', show: false, data: xAxisData },
     yAxis: { type: 'value', show: false },
     series: [{
@@ -396,45 +397,101 @@ function updateActiveCallsChart() {
       type: 'line',  symbol: 'none',
       lineStyle: { width: 2, color: '#1890ff' }, // 蓝色线条表示有数据
       areaStyle: { color: 'rgba(24,144,255,0.1)' } // 淡蓝色填充
-    }],
-    graphic: [
-      {
-        type: 'text',
-        right: 8,
-        top: 8,
-        style: {
-          text: maxValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        top: '50%',
-        style: {
-          text: latestValue.toString(),
-          fontSize: 12,
-          fill: '#1890ff',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        bottom: 8,
-        style: {
-          text: minValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      }
-    ]
+    }]
   })
 
-  console.log('updateActiveCallsChart - 图表更新完成')
+  // 在图表容器中添加数值标注
+  const chartContainer = callsChartRef.value
+  if (chartContainer) {
+    // 清除之前的标注
+    const existingLabels = chartContainer.querySelectorAll('.chart-label')
+    existingLabels.forEach(label => label.remove())
+
+    // 添加右侧数值标注
+    const maxLabel = document.createElement('div')
+    maxLabel.className = 'chart-label'
+    maxLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    maxLabel.textContent = maxValue.toString()
+
+    const latestLabel = document.createElement('div')
+    latestLabel.className = 'chart-label'
+    latestLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 50%;
+      transform: translateY(-50%);
+      font-size: 12px;
+      font-weight: bold;
+      color: #1890ff;
+      pointer-events: none;
+      z-index: 10;
+    `
+    latestLabel.textContent = latestValue.toString()
+
+    const minLabel = document.createElement('div')
+    minLabel.className = 'chart-label'
+    minLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    minLabel.textContent = minValue.toString()
+
+    // 添加底部时间标注
+    const oldestTimeLabel = document.createElement('div')
+    oldestTimeLabel.className = 'chart-label'
+    oldestTimeLabel.style.cssText = `
+      position: absolute;
+      left: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    // 计算图表实际显示的最旧数据时间（基于图表数据点数量）
+    const displayDataLength = Math.min(imsRealtimeRawData.value.length, 30)
+    const oldestDisplayIndex = Math.max(0, imsRealtimeRawData.value.length - displayDataLength)
+    const oldestDisplayData = imsRealtimeRawData.value[oldestDisplayIndex]
+    if (oldestDisplayData && oldestDisplayData.timestamp) {
+      oldestTimeLabel.textContent = calculateRelativeTime(oldestDisplayData.timestamp)
+    } else {
+      oldestTimeLabel.textContent = '--'
+    }
+
+    const nowTimeLabel = document.createElement('div')
+    nowTimeLabel.className = 'chart-label'
+    nowTimeLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    nowTimeLabel.textContent = 'now'
+
+    chartContainer.appendChild(maxLabel)
+    chartContainer.appendChild(latestLabel)
+    chartContainer.appendChild(minLabel)
+    chartContainer.appendChild(oldestTimeLabel)
+    chartContainer.appendChild(nowTimeLabel)
+  }
 }
 
 // 更新failed calls图表
@@ -462,7 +519,7 @@ function updateFailedCallsChart() {
     const xAxisData = [1, 2, 3, 4, 5]
 
     chart.setOption({
-      grid: { left: 0, right: 0, top: 10, bottom: 10 },
+      grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
       xAxis: { type: 'category', show: false, data: xAxisData },
       yAxis: { type: 'value', show: false },
       series: [{
@@ -494,7 +551,7 @@ function updateFailedCallsChart() {
   const latestValue = chartData[chartData.length - 1]
 
   chart.setOption({
-    grid: { left: 0, right: 0, top: 10, bottom: 10 },
+    grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
     xAxis: { type: 'category', show: false, data: xAxisData },
     yAxis: { type: 'value', show: false },
     series: [{
@@ -502,43 +559,101 @@ function updateFailedCallsChart() {
       type: 'line',  symbol: 'none',
       lineStyle: { width: 2, color: '#faad14' }, // 橙色线条表示failed calls
       areaStyle: { color: 'rgba(250,173,20,0.1)' } // 淡橙色填充
-    }],
-    graphic: [
-      {
-        type: 'text',
-        right: 8,
-        top: 8,
-        style: {
-          text: maxValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        top: '50%',
-        style: {
-          text: latestValue.toString(),
-          fontSize: 12,
-          fill: '#faad14',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        bottom: 8,
-        style: {
-          text: minValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      }
-    ]
+    }]
   })
+
+  // 在图表容器中添加数值标注
+  const chartContainer = failedCallsChartRef.value
+  if (chartContainer) {
+    // 清除之前的标注
+    const existingLabels = chartContainer.querySelectorAll('.chart-label')
+    existingLabels.forEach(label => label.remove())
+
+    // 添加右侧数值标注
+    const maxLabel = document.createElement('div')
+    maxLabel.className = 'chart-label'
+    maxLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    maxLabel.textContent = maxValue.toString()
+
+    const latestLabel = document.createElement('div')
+    latestLabel.className = 'chart-label'
+    latestLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 50%;
+      transform: translateY(-50%);
+      font-size: 12px;
+      font-weight: bold;
+      color: #faad14;
+      pointer-events: none;
+      z-index: 10;
+    `
+    latestLabel.textContent = latestValue.toString()
+
+    const minLabel = document.createElement('div')
+    minLabel.className = 'chart-label'
+    minLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    minLabel.textContent = minValue.toString()
+
+    // 添加底部时间标注
+    const oldestTimeLabel = document.createElement('div')
+    oldestTimeLabel.className = 'chart-label'
+    oldestTimeLabel.style.cssText = `
+      position: absolute;
+      left: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    // 计算图表实际显示的最旧数据时间（基于图表数据点数量）
+    const displayDataLength = Math.min(imsRealtimeRawData.value.length, 30)
+    const oldestDisplayIndex = Math.max(0, imsRealtimeRawData.value.length - displayDataLength)
+    const oldestDisplayData = imsRealtimeRawData.value[oldestDisplayIndex]
+    if (oldestDisplayData && oldestDisplayData.timestamp) {
+      oldestTimeLabel.textContent = calculateRelativeTime(oldestDisplayData.timestamp)
+    } else {
+      oldestTimeLabel.textContent = '--'
+    }
+
+    const nowTimeLabel = document.createElement('div')
+    nowTimeLabel.className = 'chart-label'
+    nowTimeLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    nowTimeLabel.textContent = 'now'
+
+    chartContainer.appendChild(maxLabel)
+    chartContainer.appendChild(latestLabel)
+    chartContainer.appendChild(minLabel)
+    chartContainer.appendChild(oldestTimeLabel)
+    chartContainer.appendChild(nowTimeLabel)
+  }
 }
 
 // 更新active registrations图表
@@ -564,7 +679,7 @@ function updateActiveRegistrationsChart() {
     const xAxisData = [1, 2, 3, 4, 5]
 
     chart.setOption({
-      grid: { left: 0, right: 0, top: 10, bottom: 10 },
+      grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
       xAxis: { type: 'category', show: false, data: xAxisData },
       yAxis: { type: 'value', show: false },
       series: [{
@@ -596,7 +711,7 @@ function updateActiveRegistrationsChart() {
   const latestValue = chartData[chartData.length - 1]
 
   chart.setOption({
-    grid: { left: 0, right: 0, top: 10, bottom: 10 },
+    grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
     xAxis: { type: 'category', show: false, data: xAxisData },
     yAxis: { type: 'value', show: false },
     series: [{
@@ -604,43 +719,101 @@ function updateActiveRegistrationsChart() {
       type: 'line',  symbol: 'none',
       lineStyle: { width: 2, color: '#1890ff' }, // 蓝色线条表示active registrations
       areaStyle: { color: 'rgba(24,144,255,0.1)' } // 淡蓝色填充
-    }],
-    graphic: [
-      {
-        type: 'text',
-        right: 8,
-        top: 8,
-        style: {
-          text: maxValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        top: '50%',
-        style: {
-          text: latestValue.toString(),
-          fontSize: 12,
-          fill: '#1890ff',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        bottom: 8,
-        style: {
-          text: minValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      }
-    ]
+    }]
   })
+
+  // 在图表容器中添加数值标注
+  const chartContainer = regChartRef.value
+  if (chartContainer) {
+    // 清除之前的标注
+    const existingLabels = chartContainer.querySelectorAll('.chart-label')
+    existingLabels.forEach(label => label.remove())
+
+    // 添加右侧数值标注
+    const maxLabel = document.createElement('div')
+    maxLabel.className = 'chart-label'
+    maxLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    maxLabel.textContent = maxValue.toString()
+
+    const latestLabel = document.createElement('div')
+    latestLabel.className = 'chart-label'
+    latestLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 50%;
+      transform: translateY(-50%);
+      font-size: 12px;
+      font-weight: bold;
+      color: #1890ff;
+      pointer-events: none;
+      z-index: 10;
+    `
+    latestLabel.textContent = latestValue.toString()
+
+    const minLabel = document.createElement('div')
+    minLabel.className = 'chart-label'
+    minLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    minLabel.textContent = minValue.toString()
+
+    // 添加底部时间标注
+    const oldestTimeLabel = document.createElement('div')
+    oldestTimeLabel.className = 'chart-label'
+    oldestTimeLabel.style.cssText = `
+      position: absolute;
+      left: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    // 计算图表实际显示的最旧数据时间（基于图表数据点数量）
+    const displayDataLength = Math.min(imsRealtimeRawData.value.length, 30)
+    const oldestDisplayIndex = Math.max(0, imsRealtimeRawData.value.length - displayDataLength)
+    const oldestDisplayData = imsRealtimeRawData.value[oldestDisplayIndex]
+    if (oldestDisplayData && oldestDisplayData.timestamp) {
+      oldestTimeLabel.textContent = calculateRelativeTime(oldestDisplayData.timestamp)
+    } else {
+      oldestTimeLabel.textContent = '--'
+    }
+
+    const nowTimeLabel = document.createElement('div')
+    nowTimeLabel.className = 'chart-label'
+    nowTimeLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    nowTimeLabel.textContent = 'now'
+
+    chartContainer.appendChild(maxLabel)
+    chartContainer.appendChild(latestLabel)
+    chartContainer.appendChild(minLabel)
+    chartContainer.appendChild(oldestTimeLabel)
+    chartContainer.appendChild(nowTimeLabel)
+  }
 }
 
 // 更新failed registrations图表
@@ -668,7 +841,7 @@ function updateFailedRegistrationsChart() {
     const xAxisData = [1, 2, 3, 4, 5]
 
     chart.setOption({
-      grid: { left: 0, right: 0, top: 10, bottom: 10 },
+      grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
       xAxis: { type: 'category', show: false, data: xAxisData },
       yAxis: { type: 'value', show: false },
       series: [{
@@ -700,7 +873,7 @@ function updateFailedRegistrationsChart() {
   const latestValue = chartData[chartData.length - 1]
 
   chart.setOption({
-    grid: { left: 0, right: 0, top: 10, bottom: 10 },
+    grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
     xAxis: { type: 'category', show: false, data: xAxisData },
     yAxis: { type: 'value', show: false },
     series: [{
@@ -708,43 +881,101 @@ function updateFailedRegistrationsChart() {
       type: 'line',  symbol: 'none',
       lineStyle: { width: 2, color: '#f5222d' }, // 红色线条表示failed registrations
       areaStyle: { color: 'rgba(245,34,45,0.1)' } // 淡红色填充
-    }],
-    graphic: [
-      {
-        type: 'text',
-        right: 8,
-        top: 8,
-        style: {
-          text: maxValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        top: '50%',
-        style: {
-          text: latestValue.toString(),
-          fontSize: 12,
-          fill: '#f5222d',
-          fontWeight: 'bold'
-        }
-      },
-      {
-        type: 'text',
-        right: 8,
-        bottom: 8,
-        style: {
-          text: minValue.toString(),
-          fontSize: 12,
-          fill: '#666',
-          fontWeight: 'bold'
-        }
-      }
-    ]
+    }]
   })
+
+  // 在图表容器中添加数值标注
+  const chartContainer = failedRegChartRef.value
+  if (chartContainer) {
+    // 清除之前的标注
+    const existingLabels = chartContainer.querySelectorAll('.chart-label')
+    existingLabels.forEach(label => label.remove())
+
+    // 添加右侧数值标注
+    const maxLabel = document.createElement('div')
+    maxLabel.className = 'chart-label'
+    maxLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    maxLabel.textContent = maxValue.toString()
+
+    const latestLabel = document.createElement('div')
+    latestLabel.className = 'chart-label'
+    latestLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      top: 50%;
+      transform: translateY(-50%);
+      font-size: 12px;
+      font-weight: bold;
+      color: #f5222d;
+      pointer-events: none;
+      z-index: 10;
+    `
+    latestLabel.textContent = latestValue.toString()
+
+    const minLabel = document.createElement('div')
+    minLabel.className = 'chart-label'
+    minLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: 8px;
+      font-size: 12px;
+      font-weight: bold;
+      color: #666;
+      pointer-events: none;
+      z-index: 10;
+    `
+    minLabel.textContent = minValue.toString()
+
+    // 添加底部时间标注
+    const oldestTimeLabel = document.createElement('div')
+    oldestTimeLabel.className = 'chart-label'
+    oldestTimeLabel.style.cssText = `
+      position: absolute;
+      left: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    // 计算图表实际显示的最旧数据时间（基于图表数据点数量）
+    const displayDataLength = Math.min(imsRealtimeRawData.value.length, 30)
+    const oldestDisplayIndex = Math.max(0, imsRealtimeRawData.value.length - displayDataLength)
+    const oldestDisplayData = imsRealtimeRawData.value[oldestDisplayIndex]
+    if (oldestDisplayData && oldestDisplayData.timestamp) {
+      oldestTimeLabel.textContent = calculateRelativeTime(oldestDisplayData.timestamp)
+    } else {
+      oldestTimeLabel.textContent = '--'
+    }
+
+    const nowTimeLabel = document.createElement('div')
+    nowTimeLabel.className = 'chart-label'
+    nowTimeLabel.style.cssText = `
+      position: absolute;
+      right: 8px;
+      bottom: -20px;
+      font-size: 11px;
+      color: #999;
+      pointer-events: none;
+      z-index: 10;
+    `
+    nowTimeLabel.textContent = 'now'
+
+    chartContainer.appendChild(maxLabel)
+    chartContainer.appendChild(latestLabel)
+    chartContainer.appendChild(minLabel)
+    chartContainer.appendChild(oldestTimeLabel)
+    chartContainer.appendChild(nowTimeLabel)
+  }
 }
 
 // 处理IMS实时数据（只存储当前选中网元）
@@ -822,7 +1053,7 @@ function handleIMSRealtimeData(res: any) {
 onMounted(() => {
   // 初始化所有图表为0值线
   const defaultChartOption = {
-    grid: { left: 0, right: 0, top: 10, bottom: 10 },
+    grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
     xAxis: { type: 'category', show: false, data: [1, 2, 3, 4, 5] },
     yAxis: { type: 'value', show: false },
     series: [{
@@ -848,7 +1079,7 @@ onMounted(() => {
     const latestValue = mosData[mosData.length - 1]
 
     chart.setOption({
-      grid: { left: 0, right: 0, top: 10, bottom: 10 },
+      grid: { left: 0, right: 30, top: 10, bottom: 10 }, // 增加右侧边距
       xAxis: { type: 'category', show: false, data: [1,2,3,4,5] },
       yAxis: { type: 'value', show: false },
       series: [{
@@ -932,7 +1163,7 @@ function calculateMOValue() {
   return moValue.toFixed(1)
 }
 
-// 计算MT值 (SCSCF.06/SCSCF.07)*100
+// 计算MT值 (SCSCF.07/SCSCF.08)*100
 function calculateMTValue() {
   if (imsRealtimeRawData.value.length === 0) return '-'
 
@@ -941,12 +1172,12 @@ function calculateMTValue() {
   if (!latestData || !latestData.data) return '-'
 
   const kpiEvent = latestData.data
-  const scscf06 = Number(kpiEvent['SCSCF.06']) || 0
   const scscf07 = Number(kpiEvent['SCSCF.07']) || 0
+  const scscf08 = Number(kpiEvent['SCSCF.08']) || 0
 
-  if (scscf07 === 0) return '-'
+  if (scscf08 === 0) return '-'
 
-  const mtValue = (scscf06 / scscf07) * 100
+  const mtValue = (scscf07 / scscf08) * 100
   return mtValue.toFixed(1)
 }
 
@@ -1046,6 +1277,22 @@ function calculateTimeDifference(latestData: any, previousData: any) {
   }
 }
 
+// 计算相对时间（距离现在多久）
+function calculateRelativeTime(timestamp: number) {
+  const now = Date.now()
+  const diffMs = now - timestamp
+  const diffMinutes = Math.floor(diffMs / (1000 * 60))
+  const diffHours = Math.floor(diffMinutes / 60)
+
+  if (diffHours >= 1) {
+    return `${diffHours}h`
+  } else if (diffMinutes >= 1) {
+    return `${diffMinutes}m`
+  } else {
+    return '1m'
+  }
+}
+
 // 辅助函数：从数据中计算MO值
 function calculateMOValueFromData(kpiEvent: any) {
   const scscf05 = Number(kpiEvent['SCSCF.05']) || 0
@@ -1055,9 +1302,9 @@ function calculateMOValueFromData(kpiEvent: any) {
 
 // 辅助函数：从数据中计算MT值
 function calculateMTValueFromData(kpiEvent: any) {
-  const scscf06 = Number(kpiEvent['SCSCF.06']) || 0
   const scscf07 = Number(kpiEvent['SCSCF.07']) || 0
-  return scscf07 === 0 ? '-' : (scscf06 / scscf07) * 100
+  const scscf08 = Number(kpiEvent['SCSCF.08']) || 0
+  return scscf08 === 0 ? '-' : (scscf07 / scscf08) * 100
 }
 
 // 计算registration success值
@@ -1527,30 +1774,30 @@ function calculateFailedRegistrationsChange() {
 }
 
 // 测试数据更新
-function testDataUpdate() {
-  // console.log('测试数据更新')
-
-  // 创建模拟的后端KPI数据消息格式
-  const mockWebSocketMessage = {
-    code: 1,
-    data: {
-      data: {
-        'SCSCF.03': Math.floor(Math.random() * 300000) + 200000, // active registrations
-        'SCSCF.04': Math.floor(Math.random() * 310000) + 200000, // total registrations
-        'SCSCF.05': Math.floor(Math.random() * 15000) + 10000,   // MO calls
-        'SCSCF.06': Math.floor(Math.random() * 16000) + 10000,   // total calls
-        'SCSCF.07': Math.floor(Math.random() * 15000) + 10000,   // successful calls
-      },
-      groupId: `10_IMS_${selectedImsNeId.value}`
-    },
-    msg: 'success'
-  }
-
-  // console.log('模拟WebSocket消息:', mockWebSocketMessage)
-
-  // 直接调用handleIMSRealtimeData函数
-  handleIMSRealtimeData(mockWebSocketMessage)
-}
+// function testDataUpdate() {
+//   // console.log('测试数据更新')
+//
+//   // 创建模拟的后端KPI数据消息格式
+//   const mockWebSocketMessage = {
+//     code: 1,
+//     data: {
+//       data: {
+//         'SCSCF.03': Math.floor(Math.random() * 300000) + 200000, // active registrations
+//         'SCSCF.04': Math.floor(Math.random() * 310000) + 200000, // total registrations
+//         'SCSCF.05': Math.floor(Math.random() * 15000) + 10000,   // MO calls
+//         'SCSCF.06': Math.floor(Math.random() * 16000) + 10000,   // total calls
+//         'SCSCF.07': Math.floor(Math.random() * 15000) + 10000,   // successful calls
+//       },
+//       groupId: `10_IMS_${selectedImsNeId.value}`
+//     },
+//     msg: 'success'
+//   }
+//
+//   // console.log('模拟WebSocket消息:', mockWebSocketMessage)
+//
+//   // 直接调用handleIMSRealtimeData函数
+//   handleIMSRealtimeData(mockWebSocketMessage)
+// }
 </script>
 
 <style scoped>
@@ -1593,12 +1840,14 @@ function testDataUpdate() {
   display: flex;
   flex-direction: column;
   justify-content: flex-end;
+  margin-bottom: 25px; /* 为底部时间标注留出空间 */
 }
 .mini-chart {
   width: 100%;
   height: 100%;
   margin-bottom: 0;
   display: block;
+  position: relative;
 }
 .card-subtext {
   font-size: 12px;
@@ -1679,4 +1928,30 @@ function testDataUpdate() {
 [data-theme='dark'] .ims-select :deep(.ant-select-arrow) {
   color: #cacada;
 }
+
+/* IMS Control Tower 角标样式 */
+.control-tower-badge {
+  position: absolute;
+  left: 50%;
+  bottom: 0;
+  margin-left: 100px;
+  font-size: 12px;
+  font-weight: 500;
+  color: #1890ff;
+  background: linear-gradient(135deg, #e6f7ff 0%, #bae7ff 100%);
+  padding: 4px 12px;
+  border-radius: 12px;
+  border: 1px solid #91d5ff;
+  box-shadow: 0 2px 4px rgba(24, 144, 255, 0.1);
+  letter-spacing: 0.5px;
+  transform: translateY(4px);
+}
+
+/* 暗色主题适配 */
+[data-theme='dark'] .control-tower-badge {
+  color: #69c0ff;
+  background: linear-gradient(135deg, #001529 0%, #002766 100%);
+  border-color: #1890ff;
+  box-shadow: 0 2px 4px rgba(105, 192, 255, 0.1);
+}
 </style>