diff --git a/frontend/src/api/tools/waveform/index.ts b/frontend/src/api/tools/waveform/index.ts
index 38e3023..c4b831a 100644
--- a/frontend/src/api/tools/waveform/index.ts
+++ b/frontend/src/api/tools/waveform/index.ts
@@ -1,6 +1,11 @@
 import http from '@/api'
 import type { Waveform } from './interface'
 
+const appendFormDataValue = (formData: FormData, key: string, value: File | string | number | boolean | undefined) => {
+    if (value === undefined || value === null || value === '') return
+    formData.append(key, value instanceof File ? value : `${value}`)
+}
+
 export const parseComtradeApi = (params: Waveform.ParseComtradeParams) => {
     const formData = new FormData()
 
@@ -11,3 +16,19 @@ export const parseComtradeApi = (params: Waveform.ParseComtradeParams) => {
         headers: { 'Content-Type': 'multipart/form-data' }
     })
 }
+
+export const parseComtradeVectorApi = (params: Waveform.ParseComtradeVectorParams) => {
+    const formData = new FormData()
+
+    appendFormDataValue(formData, 'cfgFile', params.cfgFile)
+    appendFormDataValue(formData, 'datFile', params.datFile)
+    appendFormDataValue(formData, 'parseType', params.parseType)
+    appendFormDataValue(formData, 'ptType', params.ptType)
+    appendFormDataValue(formData, 'pt', params.pt)
+    appendFormDataValue(formData, 'ct', params.ct)
+    appendFormDataValue(formData, 'monitorName', params.monitorName)
+
+    return http.post<Waveform.WaveComtradeVectorResultVO>(`/wave/parseComtradeVector`, formData, {
+        headers: { 'Content-Type': 'multipart/form-data' }
+    })
+}
diff --git a/frontend/src/api/tools/waveform/interface/index.ts b/frontend/src/api/tools/waveform/interface/index.ts
index 4a5386b..fb0fa34 100644
--- a/frontend/src/api/tools/waveform/interface/index.ts
+++ b/frontend/src/api/tools/waveform/interface/index.ts
@@ -13,6 +13,16 @@ export namespace Waveform {
         dynamicThreshold?: boolean
     }
 
+    export interface ParseComtradeVectorParams {
+        cfgFile: File
+        datFile: File
+        parseType?: number
+        ptType?: number
+        pt?: number
+        ct?: number
+        monitorName?: string
+    }
+
     export interface WaveTrendData {
         max?: number
         min?: number
@@ -71,6 +81,62 @@ export namespace Waveform {
         durationTime?: number
     }
 
+    export interface WaveHarmonicDTO {
+        harmonicOrder?: number
+        amplitude?: number
+        rms?: number
+        rate?: number
+    }
+
+    export interface WavePhaseVectorDTO {
+        phaseName?: string
+        totalRms?: number
+        fundamentalAmplitude?: number
+        fundamentalRms?: number
+        fundamentalPhaseAngle?: number
+        harmonicVoltageContentRates?: WaveHarmonicDTO[]
+        harmonicCurrentAmplitudes?: WaveHarmonicDTO[]
+        harmonicDistortionRate?: number
+    }
+
+    export interface WaveSequenceVectorDTO {
+        sequenceName?: string
+        amplitude?: number
+        rms?: number
+        phaseAngle?: number
+    }
+
+    export interface WaveSequenceUnbalanceDTO {
+        negativeUnbalanceRate?: number
+        zeroUnbalanceRate?: number
+    }
+
+    export interface WaveCycleVectorDTO {
+        cycleIndex?: number
+        time?: number
+        phaseVectors?: WavePhaseVectorDTO[]
+        positiveSequence?: WaveSequenceVectorDTO
+        negativeSequence?: WaveSequenceVectorDTO
+        zeroSequence?: WaveSequenceVectorDTO
+        unbalance?: WaveSequenceUnbalanceDTO
+    }
+
+    export interface WaveVectorGroupDTO {
+        channelName?: string
+        unit?: string
+        phaseCount?: number
+        phaseNames?: string[]
+        vectorSeries?: WaveCycleVectorDTO[]
+    }
+
+    export interface WaveComtradeVectorResultVO {
+        monitorName?: string
+        time?: string
+        samplePerCycle?: number
+        cycleCount?: number
+        vectorGroups?: WaveVectorGroupDTO[]
+    }
+
     export interface WaveComtradeResultVO {
         waveData?: WaveDataDTO
         waveDataDetails?: WaveDataDetail[]
diff --git a/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue b/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
index 1b0fe0d..a2db780 100644
--- a/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
+++ b/frontend/src/views/tools/waveform/components/WaveformInfoPanel.vue
@@ -1,12 +1,10 @@
-<template>
+<template>
     <section class="waveform-panel">
         <div class="panel-header">
             <div class="section-title">波形信息</div>
         </div>
 
         <div v-if="hasParsedWaveform" class="panel-body info-body">
-            <div class="panel-tip">当前接口未返回向量图坐标，右侧展示解析摘要与特征值结果。</div>
-
             <div class="summary-grid">
                 <div v-for="item in summaryItems" :key="item.label" class="summary-item">
                     <div class="summary-label">{{ item.label }}</div>
@@ -14,6 +12,97 @@
                 </div>
             </div>
 
+            <div class="info-section">
+                <div class="feature-header">向量信息</div>
+                <div v-if="hasVectorData" class="vector-content">
+                    <div class="vector-summary-grid">
+                        <div v-for="item in vectorSummaryItems" :key="item.label" class="summary-item vector-summary-item">
+                            <div class="summary-label">{{ item.label }}</div>
+                            <div class="summary-value">{{ item.value }}</div>
+                        </div>
+                    </div>
+
+                    <el-tabs v-model="activeVectorGroupKey" class="vector-tabs">
+                        <el-tab-pane
+                            v-for="(group, index) in vectorGroups"
+                            :key="buildVectorGroupKey(group, index)"
+                            :label="group.channelName || `分组 ${index + 1}`"
+                            :name="buildVectorGroupKey(group, index)"
+                        />
+                    </el-tabs>
+
+                    <div v-if="activeVectorGroup" class="vector-panel-body">
+                        <el-tabs v-model="activeCycleKey" class="vector-tabs vector-cycle-tabs">
+                            <el-tab-pane
+                                v-for="(cycle, index) in activeVectorSeries"
+                                :key="buildCycleKey(cycle, index)"
+                                :label="buildCycleLabel(cycle, index)"
+                                :name="buildCycleKey(cycle, index)"
+                            />
+                        </el-tabs>
+
+                        <div v-if="activeCycle" class="vector-tab-content">
+                            <div v-if="phaseVectorCards.length" class="vector-card-grid">
+                                <div v-for="item in phaseVectorCards" :key="item.title" class="feature-card">
+                                    <div class="feature-card-title">{{ item.title }}</div>
+                                    <div v-for="row in item.rows" :key="row.label" class="feature-row">
+                                        <span>{{ row.label }}</span>
+                                        <span>{{ row.value }}</span>
+                                    </div>
+                                </div>
+                            </div>
+                            <div v-else class="empty-inline">当前周波未返回相量结果。</div>
+
+                            <div class="feature-header feature-header--nested">序分量与不平衡度</div>
+                            <div class="vector-card-grid sequence-grid">
+                                <div v-for="item in sequenceCards" :key="item.title" class="feature-card">
+                                    <div class="feature-card-title">{{ item.title }}</div>
+                                    <div v-for="row in item.rows" :key="row.label" class="feature-row">
+                                        <span>{{ row.label }}</span>
+                                        <span>{{ row.value }}</span>
+                                    </div>
+                                </div>
+                            </div>
+
+                            <div class="feature-header feature-header--nested">谐波信息</div>
+                            <el-tabs v-if="activePhaseVectors.length" v-model="activePhaseKey" class="vector-tabs vector-phase-tabs">
+                                <el-tab-pane
+                                    v-for="(phase, index) in activePhaseVectors"
+                                    :key="buildPhaseKey(phase, index)"
+                                    :label="phase.phaseName || `相别 ${index + 1}`"
+                                    :name="buildPhaseKey(phase, index)"
+                                />
+                            </el-tabs>
+
+                            <div v-if="activeHarmonicRows.length" class="harmonic-list">
+                                <div class="harmonic-row harmonic-row--header">
+                                    <span>次数</span>
+                                    <span>幅值</span>
+                                    <span>有效值</span>
+                                    <span>占比</span>
+                                </div>
+                                <div
+                                    v-for="item in activeHarmonicRows"
+                                    :key="`${activePhaseKey}-${item.harmonicOrder}`"
+                                    class="harmonic-row"
+                                >
+                                    <span>{{ item.harmonicOrder ?? '--' }}</span>
+                                    <span>{{ formatWaveValue(item.amplitude, activeVectorGroup?.unit) }}</span>
+                                    <span>{{ formatWaveValue(item.rms, activeVectorGroup?.unit) }}</span>
+                                    <span>{{ formatPercentValue(item.rate) }}</span>
+                                </div>
+                            </div>
+                            <div v-else class="empty-inline">当前相未返回谐波结果。</div>
+                        </div>
+                        <div v-else class="empty-inline">当前分组未返回逐周波结果。</div>
+                    </div>
+                </div>
+                <div v-else class="vector-placeholder">向量信息待接口返回后展示。</div>
+                <div v-if="lastVectorParseErrorMessage" class="empty-text error-text">
+                    最近一次向量解析失败：{{ lastVectorParseErrorMessage }}
+                </div>
+            </div>
+
             <div class="feature-header">特征值</div>
             <div v-if="featureCards.length" class="feature-grid">
                 <div v-for="item in featureCards" :key="item.title" class="feature-card">
@@ -30,7 +119,7 @@
         <div v-else class="panel-body">
             <div class="empty-block">
                 <div class="empty-title">暂无解析信息</div>
-                <div class="empty-text">接口联调完成后，右侧会展示波形摘要和特征值。</div>
+                <div class="empty-text">接口联调完成后，右侧会展示波形信息、向量信息和特征值。</div>
                 <div v-if="lastParseErrorMessage" class="empty-text error-text">最近一次解析失败：{{ lastParseErrorMessage }}</div>
             </div>
         </div>
@@ -38,14 +127,202 @@
 </template>
 
 <script setup lang="ts">
+import { computed, ref, watch } from 'vue'
+import dayjs from 'dayjs'
+import type { Waveform } from '@/api/tools/waveform/interface'
 import type { FeatureCardItem, SummaryItem } from './types'
 
-defineProps<{
+const props = defineProps<{
     hasParsedWaveform: boolean
     summaryItems: SummaryItem[]
     featureCards: FeatureCardItem[]
+    vectorParseResult: Waveform.WaveComtradeVectorResultVO | null
     lastParseErrorMessage: string
+    lastVectorParseErrorMessage: string
+    activeVectorChannelName: string
 }>()
+
+const activeVectorGroupKey = ref('')
+const activeCycleKey = ref('')
+const activePhaseKey = ref('')
+
+const formatNumber = (value: unknown, fractionDigits = 3) => {
+    const numberValue = Number(value)
+
+    if (!Number.isFinite(numberValue)) return '--'
+    if (Number.isInteger(numberValue)) return `${numberValue}`
+
+    return `${Number(numberValue.toFixed(fractionDigits))}`
+}
+
+const formatWaveformTime = (value?: string) => {
+    if (!value) return '--'
+
+    const parsedValue = dayjs(value)
+    return parsedValue.isValid() ? parsedValue.format('YYYY-MM-DD HH:mm:ss.SSS') : value
+}
+
+const formatWaveValue = (value: unknown, unit?: string) => {
+    const formattedValue = formatNumber(value)
+    if (formattedValue === '--') return '--'
+    return unit ? `${formattedValue} ${unit}` : formattedValue
+}
+
+const formatPhaseAngle = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue} °`
+}
+
+const formatPercentValue = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue}%`
+}
+
+const formatCycleTime = (value: unknown) => {
+    const formattedValue = formatNumber(value)
+    return formattedValue === '--' ? '--' : `${formattedValue} ms`
+}
+
+const buildVectorGroupKey = (group: Waveform.WaveVectorGroupDTO, index: number) => {
+    return group.channelName || `group-${index}`
+}
+
+const buildCycleKey = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
+    return `${cycle.cycleIndex ?? index}`
+}
+
+const buildPhaseKey = (phase: Waveform.WavePhaseVectorDTO, index: number) => {
+    return phase.phaseName || `phase-${index}`
+}
+
+const buildCycleLabel = (cycle: Waveform.WaveCycleVectorDTO, index: number) => {
+    return `周波 ${Number(cycle.cycleIndex ?? index) + 1}`
+}
+
+const vectorGroups = computed(() => props.vectorParseResult?.vectorGroups || [])
+const hasVectorData = computed(() => vectorGroups.value.length > 0)
+
+watch(
+    [vectorGroups, () => props.activeVectorChannelName],
+    ([groups, activeChannelName]) => {
+        if (!groups.length) {
+            activeVectorGroupKey.value = ''
+            return
+        }
+
+        const matchedIndex = groups.findIndex(item => item.channelName === activeChannelName)
+        const nextIndex = matchedIndex >= 0 ? matchedIndex : 0
+        activeVectorGroupKey.value = buildVectorGroupKey(groups[nextIndex], nextIndex)
+    },
+    { immediate: true }
+)
+
+const activeVectorGroup = computed(() => {
+    return vectorGroups.value.find((item, index) => buildVectorGroupKey(item, index) === activeVectorGroupKey.value) || vectorGroups.value[0] || null
+})
+
+const activeVectorSeries = computed(() => activeVectorGroup.value?.vectorSeries || [])
+
+watch(
+    activeVectorSeries,
+    series => {
+        if (!series.length) {
+            activeCycleKey.value = ''
+            return
+        }
+
+        if (series.some((item, index) => buildCycleKey(item, index) === activeCycleKey.value)) return
+        activeCycleKey.value = buildCycleKey(series[0], 0)
+    },
+    { immediate: true }
+)
+
+const activeCycle = computed(() => {
+    return activeVectorSeries.value.find((item, index) => buildCycleKey(item, index) === activeCycleKey.value) || activeVectorSeries.value[0] || null
+})
+
+const activePhaseVectors = computed(() => activeCycle.value?.phaseVectors || [])
+
+watch(
+    activePhaseVectors,
+    phaseVectors => {
+        if (!phaseVectors.length) {
+            activePhaseKey.value = ''
+            return
+        }
+
+        if (phaseVectors.some((item, index) => buildPhaseKey(item, index) === activePhaseKey.value)) return
+        activePhaseKey.value = buildPhaseKey(phaseVectors[0], 0)
+    },
+    { immediate: true }
+)
+
+const activePhaseVector = computed(() => {
+    return activePhaseVectors.value.find((item, index) => buildPhaseKey(item, index) === activePhaseKey.value) || activePhaseVectors.value[0] || null
+})
+
+const vectorSummaryItems = computed<SummaryItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+    const currentCycle = activeCycle.value
+
+    return [
+        { label: '测点名称', value: props.vectorParseResult?.monitorName || '--' },
+        { label: '事件时间', value: formatWaveformTime(props.vectorParseResult?.time) },
+        { label: '每周波采样点数', value: props.vectorParseResult?.samplePerCycle ?? '--' },
+        { label: '可计算周波数', value: props.vectorParseResult?.cycleCount ?? '--' },
+        { label: '当前分组', value: activeGroup?.channelName || '--' },
+        { label: '当前周波', value: currentCycle ? buildCycleLabel(currentCycle, Number(currentCycle.cycleIndex ?? 0)) : '--' }
+    ]
+})
+
+const phaseVectorCards = computed<FeatureCardItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+
+    return activePhaseVectors.value.map(item => ({
+        title: item.phaseName || '相量',
+        rows: [
+            { label: '总有效值', value: formatWaveValue(item.totalRms, activeGroup?.unit) },
+            { label: '基波幅值', value: formatWaveValue(item.fundamentalAmplitude, activeGroup?.unit) },
+            { label: '基波有效值', value: formatWaveValue(item.fundamentalRms, activeGroup?.unit) },
+            { label: '基波相角', value: formatPhaseAngle(item.fundamentalPhaseAngle) },
+            { label: '谐波畸变率', value: formatPercentValue(item.harmonicDistortionRate) }
+        ]
+    }))
+})
+
+const sequenceCards = computed<FeatureCardItem[]>(() => {
+    const activeGroup = activeVectorGroup.value
+    const currentCycle = activeCycle.value
+
+    const sequenceList = [currentCycle?.positiveSequence, currentCycle?.negativeSequence, currentCycle?.zeroSequence]
+        .filter(Boolean)
+        .map(item => ({
+            title: item?.sequenceName || '序分量',
+            rows: [
+                { label: '幅值', value: formatWaveValue(item?.amplitude, activeGroup?.unit) },
+                { label: '有效值', value: formatWaveValue(item?.rms, activeGroup?.unit) },
+                { label: '相角', value: formatPhaseAngle(item?.phaseAngle) }
+            ]
+        }))
+
+    return [
+        ...sequenceList,
+        {
+            title: '不平衡度',
+            rows: [
+                { label: '负序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.negativeUnbalanceRate) },
+                { label: '零序不平衡度', value: formatPercentValue(currentCycle?.unbalance?.zeroUnbalanceRate) },
+                { label: '周波中点', value: formatCycleTime(currentCycle?.time) }
+            ]
+        }
+    ]
+})
+
+const activeHarmonicRows = computed(() => {
+    if (!activePhaseVector.value) return []
+
+    return activePhaseVector.value.harmonicVoltageContentRates || activePhaseVector.value.harmonicCurrentAmplitudes || []
+})
 </script>
 
 <style scoped lang="scss">
@@ -54,7 +331,7 @@ defineProps<{
     flex-direction: column;
     min-width: 0;
     min-height: 0;
-    padding: 16px;
+    padding: 12px;
     overflow: hidden;
     background: var(--el-bg-color);
     border: 1px solid var(--el-border-color-light);
@@ -62,7 +339,7 @@ defineProps<{
 }
 
 .panel-header {
-    margin-bottom: 16px;
+    margin-bottom: 12px;
     flex-shrink: 0;
 }
 
@@ -103,7 +380,7 @@ defineProps<{
 
 .empty-text,
 .empty-inline,
-.panel-tip {
+.vector-placeholder {
     font-size: 13px;
     line-height: 1.6;
     color: var(--el-text-color-regular);
@@ -115,19 +392,39 @@ defineProps<{
 }
 
 .info-body {
-    gap: 12px;
+    gap: 8px;
     overflow: auto;
 }
 
+.info-section,
+.vector-content,
+.vector-panel-body,
+.vector-tab-content {
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
 .summary-grid {
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 8px;
+}
+
+.vector-summary-grid,
+.vector-card-grid,
+.sequence-grid,
+.feature-grid {
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
-    gap: 12px;
+    gap: 8px;
 }
 
 .summary-item,
-.feature-card {
-    padding: 12px;
+.feature-card,
+.vector-placeholder,
+.harmonic-list {
+    padding: 10px;
     border: 1px solid var(--el-border-color-lighter);
     border-radius: 4px;
     background: var(--cn-color-canvas-bg);
@@ -150,19 +447,17 @@ defineProps<{
 }
 
 .feature-header {
-    margin-top: 4px;
+    margin-top: 2px;
 }
 
-.feature-grid {
-    display: grid;
-    grid-template-columns: repeat(2, minmax(0, 1fr));
-    gap: 12px;
+.feature-header--nested {
+    margin-top: 0;
 }
 
 .feature-card {
     display: flex;
     flex-direction: column;
-    gap: 8px;
+    gap: 6px;
 }
 
 .feature-row {
@@ -174,10 +469,72 @@ defineProps<{
     color: var(--el-text-color-regular);
 }
 
+.vector-tabs {
+    width: 100%;
+    flex-shrink: 0;
+}
+
+.vector-tabs :deep(.el-tabs__header) {
+    margin-bottom: 0;
+}
+
+.vector-tabs :deep(.el-tabs__nav-wrap::after) {
+    background-color: var(--el-border-color-light);
+}
+
+.vector-tabs :deep(.el-tabs__item) {
+    font-size: 13px;
+}
+
+.harmonic-list {
+    display: flex;
+    flex-direction: column;
+    gap: 0;
+    max-height: 240px;
+    overflow: auto;
+    padding: 0;
+}
+
+.harmonic-row {
+    display: grid;
+    grid-template-columns: 52px repeat(3, minmax(0, 1fr));
+    gap: 8px;
+    padding: 8px 10px;
+    font-size: 12px;
+    color: var(--el-text-color-regular);
+    border-bottom: 1px solid var(--el-border-color-lighter);
+}
+
+.harmonic-row:last-child {
+    border-bottom: 0;
+}
+
+.harmonic-row--header {
+    position: sticky;
+    top: 0;
+    z-index: 1;
+    font-weight: 600;
+    color: var(--el-text-color-primary);
+    background: var(--el-bg-color);
+}
+
+@media (max-width: 1200px) {
+    .summary-grid {
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
+}
+
 @media (max-width: 992px) {
     .summary-grid,
+    .vector-summary-grid,
+    .vector-card-grid,
+    .sequence-grid,
     .feature-grid {
         grid-template-columns: 1fr;
     }
+
+    .harmonic-row {
+        grid-template-columns: repeat(2, minmax(0, 1fr));
+    }
 }
 </style>
diff --git a/frontend/src/views/tools/waveform/components/WaveformToolbar.vue b/frontend/src/views/tools/waveform/components/WaveformToolbar.vue
index e534a7c..2efa233 100644
--- a/frontend/src/views/tools/waveform/components/WaveformToolbar.vue
+++ b/frontend/src/views/tools/waveform/components/WaveformToolbar.vue
@@ -1,6 +1,5 @@
 <template>
     <div class="page-header">
-        <div class="page-title">波形查看</div>
 
         <div class="action-row">
             <div class="file-select-row">
@@ -122,16 +121,8 @@ const handleValueModeChange = (value: string | number | boolean | undefined) =>
 <style scoped lang="scss">
 .page-header {
     display: flex;
-    flex-direction: column;
-    gap: 12px;
-    flex-shrink: 0;
-}
 
-.page-title {
-    font-size: 18px;
-    font-weight: 600;
-    line-height: 1.5;
-    color: var(--el-text-color-primary);
+    flex-shrink: 0;
 }
 
 .action-row {
@@ -207,9 +198,5 @@ const handleValueModeChange = (value: string | number | boolean | undefined) =>
     }
 }
 
-@media (max-width: 768px) {
-    .page-title {
-        font-size: 17px;
-    }
-}
 </style>
+
diff --git a/frontend/src/views/tools/waveform/components/WaveformTrendPanel.vue b/frontend/src/views/tools/waveform/components/WaveformTrendPanel.vue
index 93e7cab..b2440d7 100644
--- a/frontend/src/views/tools/waveform/components/WaveformTrendPanel.vue
+++ b/frontend/src/views/tools/waveform/components/WaveformTrendPanel.vue
@@ -68,7 +68,7 @@ const handleTrendTabChange = (value: string | number) => {
 }
 
 .panel-header {
-    margin-bottom: 16px;
+    margin-bottom: 12px;
     flex-shrink: 0;
 }
 
@@ -102,7 +102,7 @@ const handleTrendTabChange = (value: string | number) => {
     display: flex;
     flex: 1;
     min-height: 0;
-    padding: 12px;
+    padding: 8px;
     overflow: hidden;
     border: 1px solid var(--el-border-color-lighter);
     border-radius: 4px;
@@ -112,7 +112,7 @@ const handleTrendTabChange = (value: string | number) => {
     flex-direction: column;
     align-items: center;
     justify-content: center;
-    gap: 8px;
+    gap: 4px;
     background: var(--cn-color-canvas-bg);
 }
 
@@ -120,7 +120,7 @@ const handleTrendTabChange = (value: string | number) => {
     display: flex;
     flex: 1;
     flex-direction: column;
-    gap: 12px;
+    gap: 4px;
     min-height: 0;
     overflow: hidden;
 }
@@ -129,9 +129,9 @@ const handleTrendTabChange = (value: string | number) => {
     display: flex;
     flex: 1;
     flex-direction: column;
-    gap: 8px;
+    gap: 4px;
     min-height: 0;
-    padding: 12px;
+    padding: 8px;
     border: 1px solid var(--el-border-color-lighter);
     border-radius: 4px;
     background: var(--cn-color-canvas-bg);
@@ -139,7 +139,7 @@ const handleTrendTabChange = (value: string | number) => {
 }
 
 .single-channel-card--with-axis {
-    flex: 1.18;
+    flex: 1.1;
 }
 
 .single-channel-chart {
diff --git a/frontend/src/views/tools/waveform/index.vue b/frontend/src/views/tools/waveform/index.vue
index 11a4893..6558e4d 100644
--- a/frontend/src/views/tools/waveform/index.vue
+++ b/frontend/src/views/tools/waveform/index.vue
@@ -34,7 +34,10 @@
                 :has-parsed-waveform="hasParsedWaveform"
                 :summary-items="summaryItems"
                 :feature-cards="featureCards"
+                :vector-parse-result="vectorParseResult"
                 :last-parse-error-message="lastParseErrorMessage"
+                :last-vector-parse-error-message="lastVectorParseErrorMessage"
+                :active-vector-channel-name="activeWaveDetail?.channelName || ''"
             />
         </div>
     </div>
@@ -42,8 +45,9 @@
 
 <script setup lang="ts">
 import { computed, ref } from 'vue'
+import dayjs from 'dayjs'
 import { ElMessage } from 'element-plus'
-import { parseComtradeApi } from '@/api/tools/waveform'
+import { parseComtradeApi, parseComtradeVectorApi } from '@/api/tools/waveform'
 import type { Waveform } from '@/api/tools/waveform/interface'
 import WaveformInfoPanel from './components/WaveformInfoPanel.vue'
 import WaveformToolbar from './components/WaveformToolbar.vue'
@@ -89,7 +93,9 @@ const isParsing = ref(false)
 const selectedCfgFile = ref<File | null>(null)
 const selectedDatFile = ref<File | null>(null)
 const waveformParseResult = ref<Waveform.WaveComtradeResultVO | null>(null)
+const vectorParseResult = ref<Waveform.WaveComtradeVectorResultVO | null>(null)
 const lastParseErrorMessage = ref('')
+const lastVectorParseErrorMessage = ref('')
 const waveformFileAccept = '.cfg,.dat'
 
 const trendTabs: LabelValueOption<TrendTabValue>[] = [
@@ -257,6 +263,13 @@ const formatDuration = (value?: number) => {
     return `${Number(numberValue.toFixed(3))} ms`
 }
 
+const formatWaveformTime = (value?: string) => {
+    if (!value) return '--'
+
+    const parsedValue = dayjs(value)
+    return parsedValue.isValid() ? parsedValue.format('YYYY-MM-DD HH:mm:ss.SSS') : value
+}
+
 const buildChannelLabel = (detail: Waveform.WaveDataDetail, index: number) => {
     if (detail.title) return detail.title
     if (detail.channelName && detail.unit) return `${detail.channelName} (${detail.unit})`
@@ -310,22 +323,96 @@ const currentTrendColors = computed(() => {
 
 const hasWaveformData = computed(() => activeTrendPayload.value.series.length > 0)
 
+const SYMMETRIC_AXIS_SPLIT_COUNT = 6
+const REGULAR_AXIS_SPLIT_COUNT = 5
+
+const getAxisPrecision = (step: number) => {
+    if (!Number.isFinite(step) || step >= 1) return 0
+
+    const stepText = `${step}`
+    if (stepText.includes('e-')) {
+        return Number(stepText.split('e-')[1] || 0)
+    }
+
+    return stepText.split('.')[1]?.length || 0
+}
+
+const normalizeAxisValue = (value: number, precision: number) => {
+    const factor = 10 ** precision
+    const normalizedValue = Math.round(value * factor) / factor
+    return Object.is(normalizedValue, -0) ? 0 : normalizedValue
+}
+
+const getNiceAxisInterval = (value: number) => {
+    if (!Number.isFinite(value) || value <= 0) return 1
+
+    const exponent = Math.floor(Math.log10(value))
+    const magnitude = 10 ** exponent
+    const normalized = value / magnitude
+    const candidates = [1, 2, 2.5, 5, 10]
+    const closestCandidate = candidates.reduce((currentBest, currentValue) => {
+        return Math.abs(currentValue - normalized) < Math.abs(currentBest - normalized) ? currentValue : currentBest
+    }, candidates[0])
+
+    return closestCandidate * magnitude
+}
+
+const roundAxisBoundary = (value: number, interval: number, isMin: boolean) => {
+    const precision = getAxisPrecision(interval)
+    const stepCount = isMin ? Math.floor(value / interval) : Math.ceil(value / interval)
+    return normalizeAxisValue(stepCount * interval, precision)
+}
+
+const formatAxisLabel = (value: number, precision: number) => {
+    if (!Number.isFinite(value)) return ''
+    return `${normalizeAxisValue(value, precision)}`
+}
+
 const buildTrendAxisConfig = (trendPayload: WaveformTrendPayload) => {
-    const min = trendPayload.min
-    const max = trendPayload.max
-    const valueGap = Number.isFinite(min) && Number.isFinite(max) ? Math.max((max! - min!) * 0.1, 1) : undefined
+    const min = Number(trendPayload.min)
+    const max = Number(trendPayload.max)
+
+    if (!Number.isFinite(min) || !Number.isFinite(max)) {
+        return {
+            name: trendPayload.unit || ''
+        }
+    }
+
+    const crossesZero = min < 0 && max > 0
+    const splitCount = crossesZero ? SYMMETRIC_AXIS_SPLIT_COUNT : REGULAR_AXIS_SPLIT_COUNT
+    const baseValue = crossesZero ? Math.max(Math.abs(min), Math.abs(max)) : max - min
+    const interval = getNiceAxisInterval(baseValue / (crossesZero ? splitCount / 2 : splitCount))
+    const precision = getAxisPrecision(interval)
+
+    let axisMin = roundAxisBoundary(min, interval, true)
+    let axisMax = roundAxisBoundary(max, interval, false)
+
+    if (crossesZero) {
+        const axisBound = Math.max(Math.abs(axisMin), Math.abs(axisMax))
+        axisMin = normalizeAxisValue(-axisBound, precision)
+        axisMax = normalizeAxisValue(axisBound, precision)
+    }
+
+    if (axisMin === axisMax) {
+        axisMin = normalizeAxisValue(axisMin - interval, precision)
+        axisMax = normalizeAxisValue(axisMax + interval, precision)
+    }
 
     return {
         name: trendPayload.unit || '',
-        ...(valueGap !== undefined && min !== undefined && max !== undefined
-            ? {
-                  min: min - valueGap,
-                  max: max + valueGap
-              }
-            : {})
+        min: axisMin,
+        max: axisMax,
+        interval,
+        splitNumber: crossesZero ? SYMMETRIC_AXIS_SPLIT_COUNT : Math.max(Math.round((axisMax - axisMin) / interval), 1),
+        minInterval: interval,
+        maxInterval: interval,
+        // 跨零波形按 0 对称出刻度，避免边界出现 164 / -165 这类不均匀标签。
+        axisLabel: {
+            hideOverlap: true,
+            formatter: (value: number) => formatAxisLabel(value, precision)
+        }
     }
 }
-
 const buildTimeAxisLabelFormatter = (timeLabels: string[]) => {
     const lastIndex = timeLabels.length - 1
 
@@ -360,14 +447,14 @@ const buildTrendChartOptions = (
             }
         },
         legend: {
-            top: 10,
+            top: 0,
             right: 12
         },
         grid: {
             top: '18px',
             left: '24px',
             right: showTimeAxis ? '32px' : '24px',
-            bottom: showTimeAxis ? '22px' : '12px'
+            bottom: showTimeAxis ? '16px' : '6px'
         },
         xAxis: {
             data: trendPayload.timeLabels,
@@ -381,6 +468,8 @@ const buildTrendChartOptions = (
             },
             axisLine: {
                 show: showTimeAxis,
+                // 时间轴固定在图底部，避免 y 轴包含 0 时横轴穿过波形区域显得过粗。
+                onZero: false,
                 lineStyle: {
                     color: axisLineColor
                 }
@@ -389,7 +478,7 @@ const buildTrendChartOptions = (
                 show: showTimeAxis,
                 hideOverlap: false,
                 interval: 0,
-                margin: showTimeAxis ? 6 : 0,
+                margin: showTimeAxis ? 9 : 0,
                 color: axisTextColor,
                 formatter: buildTimeAxisLabelFormatter(trendPayload.timeLabels)
             },
@@ -445,18 +534,15 @@ const summaryItems = computed<SummaryItem[]>(() => {
     const detail = activeWaveDetail.value
 
     return [
-        { label: '测点名称', value: waveData?.monitorName || '--' },
-        { label: '事件时间', value: waveData?.time || '--' },
-        { label: '录波开始', value: cfgData?.timeStart || '--' },
-        { label: '触发时间', value: cfgData?.timeTrige || '--' },
+        { label: '录波开始', value: formatWaveformTime(cfgData?.timeStart) },
+        { label: '触发时间', value: formatWaveformTime(cfgData?.timeTrige) },
         { label: '采样率', value: cfgData?.finalSampleRate ? `${cfgData.finalSampleRate} Hz` : '--' },
         { label: '总通道数', value: cfgData?.nChannelNum ?? '--' },
         { label: '当前通道', value: detail ? buildChannelLabel(detail, activeChannelIndex.value) : '--' },
         { label: '单位', value: detail?.unit || '--' },
         { label: '相别数量', value: waveData?.iPhasic ?? '--' },
         { label: 'PT / CT', value: `${formatNumber(waveData?.pt, 2)} / ${formatNumber(waveData?.ct, 2)}` },
-        { label: '数据类型', value: valueModeLabelMap[activeValueMode.value] },
-        { label: '文件编码', value: cfgData?.strBinType || '--' }
+        { label: '数据类型', value: valueModeLabelMap[activeValueMode.value] }
     ]
 })
 
@@ -480,7 +566,9 @@ const resetSelectedWaveformFiles = () => {
     selectedCfgFile.value = null
     selectedDatFile.value = null
     waveformParseResult.value = null
+    vectorParseResult.value = null
     lastParseErrorMessage.value = ''
+    lastVectorParseErrorMessage.value = ''
 }
 
 const handleWaveformFileChange = async (event: Event) => {
@@ -524,24 +612,50 @@ const loadWaveformData = async (cfgFile: File, datFile: File) => {
         isParsing.value = true
         activeChannelIndex.value = 0
         lastParseErrorMessage.value = ''
+        lastVectorParseErrorMessage.value = ''
 
-        const result = await parseComtradeApi({
-            cfgFile,
-            datFile
-        })
+        // 波形与向量结果共用同一组文件，这里并行请求以缩短右侧联动展示等待时间。
+        const [waveformResult, vectorResult] = await Promise.allSettled([
+            parseComtradeApi({
+                cfgFile,
+                datFile
+            }),
+            parseComtradeVectorApi({
+                cfgFile,
+                datFile,
+                parseType: 3
+            })
+        ])
 
-        waveformParseResult.value = result.data
-    } catch (error) {
-        waveformParseResult.value = null
-        lastParseErrorMessage.value = getWaveformParseErrorMessage(error)
+        if (waveformResult.status === 'fulfilled') {
+            waveformParseResult.value = waveformResult.value.data
+        } else {
+            waveformParseResult.value = null
+            lastParseErrorMessage.value = getWaveformParseErrorMessage(waveformResult.reason)
 
-        console.error('[waveform] parseComtrade failed', {
-            cfgFileName: cfgFile.name,
-            cfgFileSize: cfgFile.size,
-            datFileName: datFile.name,
-            datFileSize: datFile.size,
-            error
-        })
+            console.error('[waveform] parseComtrade failed', {
+                cfgFileName: cfgFile.name,
+                cfgFileSize: cfgFile.size,
+                datFileName: datFile.name,
+                datFileSize: datFile.size,
+                error: waveformResult.reason
+            })
+        }
+
+        if (vectorResult.status === 'fulfilled') {
+            vectorParseResult.value = vectorResult.value.data
+        } else {
+            vectorParseResult.value = null
+            lastVectorParseErrorMessage.value = getWaveformParseErrorMessage(vectorResult.reason)
+
+            console.error('[waveform] parseComtradeVector failed', {
+                cfgFileName: cfgFile.name,
+                cfgFileSize: cfgFile.size,
+                datFileName: datFile.name,
+                datFileSize: datFile.size,
+                error: vectorResult.reason
+            })
+        }
     } finally {
         isParsing.value = false
     }
@@ -586,7 +700,7 @@ const downloadTrendData = () => {
 
 .waveform-layout {
     display: grid;
-    grid-template-columns: minmax(0, 1.35fr) minmax(360px, 0.95fr);
+    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.72fr);
     gap: 16px;
     width: 100%;
     height: 100%;
@@ -600,10 +714,3 @@ const downloadTrendData = () => {
 }
 </style>
 
-
-
-
-
-
-
-