diff --git a/src/components/RunExecutionDetails.vue b/src/components/RunExecutionDetails.vue
index e5db7b8..32a96ad 100644
--- a/src/components/RunExecutionDetails.vue
+++ b/src/components/RunExecutionDetails.vue
@@ -1,12 +1,23 @@
 <script setup lang="ts">
-import { computed } from 'vue'
-import type { ReleaseRun } from '../types/devops'
+/**
+ * 发布执行详情聚合 run 元数据、步骤摘要和按需读取的 Jenkins build 日志。
+ */
+import { RefreshRight, Tickets } from '@element-plus/icons-vue'
+import { ElMessage } from 'element-plus'
+import { computed, ref, watch } from 'vue'
+import { devopsApi } from '../services/devopsApi'
+import type { JenkinsBuildLog, ReleaseRun } from '../types/devops'
 import StatusPill from './StatusPill.vue'
 
 const props = defineProps<{
   run: ReleaseRun
 }>()
 
+const logVisible = ref(false)
+const logLoading = ref(false)
+const logText = ref('')
+const logMeta = ref<JenkinsBuildLog | null>(null)
+
 const notableSteps = computed(() =>
   props.run.steps.filter(
     (step) =>
@@ -18,6 +29,16 @@ const notableSteps = computed(() =>
   ),
 )
 
+const canReadJenkinsLog = computed(
+  () => props.run.jenkinsBuildNumber !== undefined && props.run.jenkinsBuildNumber !== null,
+)
+
+const logTitle = computed(() => {
+  const buildNumber = props.run.jenkinsBuildNumber
+
+  return buildNumber ? `Jenkins 日志 #${buildNumber}` : 'Jenkins 日志'
+})
+
 function noteLabel(status: string) {
   return status === 'failed' ? '失败摘要' : '执行提示'
 }
@@ -49,6 +70,47 @@ function buildText() {
 
   return '未返回'
 }
+
+function resetJenkinsLog() {
+  logVisible.value = false
+  logLoading.value = false
+  logText.value = ''
+  logMeta.value = null
+}
+
+async function openJenkinsLog() {
+  if (!canReadJenkinsLog.value) {
+    ElMessage.warning('当前发布单尚未关联 Jenkins build')
+    return
+  }
+
+  logVisible.value = true
+
+  if (!logText.value) {
+    await loadJenkinsLog(0)
+  }
+}
+
+async function reloadJenkinsLog() {
+  await loadJenkinsLog(0)
+}
+
+async function loadMoreJenkinsLog() {
+  await loadJenkinsLog(logMeta.value?.nextStart ?? 0)
+}
+
+async function loadJenkinsLog(start: number) {
+  logLoading.value = true
+  try {
+    const log = await devopsApi.getJenkinsLog(props.run.id, start)
+    logMeta.value = log
+    logText.value = start === 0 ? log.text : `${logText.value}${log.text}`
+  } finally {
+    logLoading.value = false
+  }
+}
+
+watch(() => props.run.id, resetJenkinsLog)
 </script>
 
 <template>
@@ -74,6 +136,18 @@ function buildText() {
       <dd class="mono">{{ displayText(run.jenkinsQueueId) }}</dd>
       <dt>Jenkins Build</dt>
       <dd class="mono">{{ buildText() }}</dd>
+      <dt>Jenkins 日志</dt>
+      <dd>
+        <ElButton
+          size="small"
+          :icon="Tickets"
+          :disabled="!canReadJenkinsLog"
+          :loading="logLoading"
+          @click="openJenkinsLog"
+        >
+          查看日志
+        </ElButton>
+      </dd>
       <dt>Jenkins 状态</dt>
       <dd>{{ displayText(run.jenkinsSummary) }}</dd>
       <dt>Build URL</dt>
@@ -122,6 +196,31 @@ function buildText() {
       </div>
       <div v-else class="empty-line">后端尚未返回异常摘要、执行提示或日志摘要。</div>
     </div>
+
+    <ElDrawer v-model="logVisible" :title="logTitle" size="min(760px, 92vw)" append-to-body>
+      <div class="jenkins-log-drawer">
+        <div class="jenkins-log-toolbar">
+          <span>
+            {{ logMeta ? `${logMeta.jobPath} · start ${logMeta.start} -> ${logMeta.nextStart}` : '等待读取' }}
+          </span>
+          <div class="log-actions">
+            <ElButton size="small" :icon="RefreshRight" :loading="logLoading" @click="reloadJenkinsLog">
+              重新读取
+            </ElButton>
+            <ElButton
+              v-if="logMeta?.hasMore"
+              size="small"
+              :loading="logLoading"
+              @click="loadMoreJenkinsLog"
+            >
+              继续加载
+            </ElButton>
+          </div>
+        </div>
+        <pre v-if="logText" class="jenkins-log-output">{{ logText }}</pre>
+        <div v-else class="empty-line">Jenkins 暂无日志。</div>
+      </div>
+    </ElDrawer>
   </div>
 </template>
 
@@ -155,6 +254,10 @@ function buildText() {
   color: #1d5fd0;
 }
 
+.detail-grid :deep(.el-button) {
+  max-width: 100%;
+}
+
 .failure-block {
   border-top: 1px solid #edf1f7;
   padding-top: 14px;
@@ -235,6 +338,44 @@ function buildText() {
   font-size: 13px;
 }
 
+.jenkins-log-drawer {
+  display: flex;
+  min-height: 100%;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.jenkins-log-toolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+  color: #5f6b7a;
+  font-size: 12px;
+}
+
+.log-actions {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  justify-content: flex-end;
+}
+
+.jenkins-log-output {
+  flex: 1;
+  min-height: 420px;
+  margin: 0;
+  padding: 12px;
+  overflow: auto;
+  border-radius: 6px;
+  background: #111827;
+  color: #e5edf8;
+  font-size: 12px;
+  line-height: 1.55;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
+}
+
 @media (max-width: 760px) {
   .detail-grid {
     grid-template-columns: 1fr;
@@ -244,5 +385,10 @@ function buildText() {
   .detail-grid dd + dt {
     margin-top: 8px;
   }
+
+  .jenkins-log-toolbar {
+    align-items: flex-start;
+    flex-direction: column;
+  }
 }
 </style>
diff --git a/src/services/devopsApi.ts b/src/services/devopsApi.ts
index bf02f79..b42ce63 100644
--- a/src/services/devopsApi.ts
+++ b/src/services/devopsApi.ts
@@ -20,6 +20,7 @@ import type {
   IntegrationConfigStatus,
   IntegrationVariableHelp,
   IntegrationStatus,
+  JenkinsBuildLog,
   JenkinsSyncSummary,
   LoginPayload,
   LoginResult,
@@ -402,6 +403,14 @@ export const devopsApi = {
     return toJenkinsSyncSummary(data, projectList)
   },
 
+  async getJenkinsLog(runId: string, start = 0): Promise<JenkinsBuildLog> {
+    const { data } = await http.get<JenkinsBuildLog>(`/deploy-runs/${runId}/jenkins-log`, {
+      params: { start },
+    })
+    lastDataSource = 'backend'
+    return data
+  },
+
   async getAuditLogs(): Promise<AuditLogEntry[]> {
     const { data } = await http.get<AuditLogEntry[]>('/audit-logs')
     lastDataSource = 'backend'
diff --git a/src/types/devops.ts b/src/types/devops.ts
index 35fd7e9..72e969c 100644
--- a/src/types/devops.ts
+++ b/src/types/devops.ts
@@ -277,6 +277,17 @@ export interface ReleaseRun {
   steps: PipelineStep[]
 }
 
+export interface JenkinsBuildLog {
+  runId: string
+  jobPath: string
+  buildNumber: number
+  start: number
+  nextStart: number
+  hasMore: boolean
+  text: string
+  fetchedAt: string
+}
+
 export interface JenkinsSyncError {
   id: string
   projectKey: string