diff --git a/src/components/business/audit/AuditInvestigationLinks.vue b/src/components/business/audit/AuditInvestigationLinks.vue
index d2068aa..80230e9 100644
--- a/src/components/business/audit/AuditInvestigationLinks.vue
+++ b/src/components/business/audit/AuditInvestigationLinks.vue
@@ -3,15 +3,19 @@
     <ElButton v-if="eventId" link type="primary" @click="openEvent">事件详情</ElButton>
     <ElButton v-if="actorRef" link type="primary" @click="openActor"> 操作者行为时间线 </ElButton>
     <ElButton
+      v-show="showResources"
       v-for="resource in stableResourceRefs"
       :key="`${resource.resource_type}:${resource.resource_id}`"
       link
       type="primary"
+      :title="resourceTimelineLabel(resource)"
+      :aria-label="resourceTimelineLabel(resource)"
       @click="openResource(resource)"
     >
-      资源审计时间线
+      {{ resourceTimelineLabel(resource) }}
     </ElButton>
     <ElButton
+      v-show="showResources"
       v-for="resource in searchableResourceRefs"
       :key="`${resource.resource_type}:${resource.resource_key}`"
       link
@@ -52,6 +56,7 @@
     AuditSearchResourceType
   } from '@/types/api'
   import { openAuditInvestigation, openAuditResourceSearch } from './investigationController'
+  import { auditResourceTypeLabels } from '@/utils/business/audit'
   import { resolveInvestigationReference } from '@/utils/business/auditNavigation'
 
   const props = withDefaults(
@@ -59,8 +64,9 @@
       refs?: AuditInvestigationRefs | null
       currentEventId?: string
       showEmpty?: boolean
+      showResources?: boolean
     }>(),
-    { currentEventId: '', showEmpty: true }
+    { currentEventId: '', showEmpty: true, showResources: true }
   )
   const searchableTypes = new Set<AuditSearchResourceType>([
     'iot_card',
@@ -111,8 +117,8 @@
         actorRef.value ||
         requestId.value ||
         correlationId.value ||
-        stableResourceRefs.value.length ||
-        searchableResourceRefs.value.length ||
+        (props.showResources &&
+          (stableResourceRefs.value.length || searchableResourceRefs.value.length)) ||
         stableIntegrationRefs.value.length
     )
   )
@@ -135,6 +141,10 @@
       resourceType: resource.resource_type,
       id: resource.resource_id
     })
+  const resourceTimelineLabel = (
+    resource: AuditInvestigationResourceRef & { resource_id: string }
+  ) =>
+    `资源审计时间线 · ${auditResourceTypeLabels[resource.resource_type] || resource.resource_type} · ${resource.resource_id}`
   const searchResource = (
     resource: AuditInvestigationResourceRef & {
       resource_type: AuditSearchResourceType
diff --git a/src/types/components.d.ts b/src/types/components.d.ts
index 439fe0a..c20fcf4 100644
--- a/src/types/components.d.ts
+++ b/src/types/components.d.ts
@@ -99,6 +99,8 @@ declare module 'vue' {
     ElCheckbox: typeof import('element-plus/es')['ElCheckbox']
     ElCheckboxGroup: typeof import('element-plus/es')['ElCheckboxGroup']
     ElCol: typeof import('element-plus/es')['ElCol']
+    ElCollapse: typeof import('element-plus/es')['ElCollapse']
+    ElCollapseItem: typeof import('element-plus/es')['ElCollapseItem']
     ElConfigProvider: typeof import('element-plus/es')['ElConfigProvider']
     ElDatePicker: typeof import('element-plus/es')['ElDatePicker']
     ElDescriptions: typeof import('element-plus/es')['ElDescriptions']
diff --git a/src/views/audit/events/detail.vue b/src/views/audit/events/detail.vue
index 6f30542..e94940e 100644
--- a/src/views/audit/events/detail.vue
+++ b/src/views/audit/events/detail.vue
@@ -99,32 +99,11 @@
             ><AuditInvestigationLinks
               :refs="detail.investigation_refs"
               :current-event-id="detail.event_id"
+              :show-resources="false"
           /></ElCard>
           <ElCard shadow="never" class="section-card">
             <template #header>相关资源与快照</template>
             <ElTable :data="detail.resources || []" :row-key="resourceRowKey">
-              <ElTableColumn type="expand" width="48">
-                <template #default="{ row }">
-                  <div class="resource-snapshot-grid">
-                    <section>
-                      <h4>身份快照</h4>
-                      <pre>{{ auditJson(row.identity_snapshot) }}</pre>
-                    </section>
-                    <section>
-                      <h4>变更前</h4>
-                      <pre>{{ auditJson(row.before_data) }}</pre>
-                    </section>
-                    <section>
-                      <h4>变更后</h4>
-                      <pre>{{ auditJson(row.after_data) }}</pre>
-                    </section>
-                    <section>
-                      <h4>主体安全数据</h4>
-                      <pre>{{ auditJson(row.subject_data) }}</pre>
-                    </section>
-                  </div>
-                </template>
-              </ElTableColumn>
               <ElTableColumn
                 prop="display_name"
                 label="资源"
@@ -141,7 +120,7 @@
                   auditResourceRelationLabels[row.relation] || row.relation
                 }}</template>
               </ElTableColumn>
-              <ElTableColumn prop="role" label="业务角色" min-width="150" />
+              <ElTableColumn prop="role" label="业务角色" min-width="160" show-overflow-tooltip />
               <ElTableColumn label="主体可见性" min-width="150">
                 <template #default="{ row }">{{
                   auditSubjectVisibilityLabels[row.subject_visibility] ||
@@ -160,6 +139,19 @@
                   row.created_at ? formatDateTime(row.created_at) : '-'
                 }}</template>
               </ElTableColumn>
+              <ElTableColumn label="操作" width="220" fixed="right">
+                <template #default="{ row }">
+                  <ElButton link type="primary" @click="openSnapshotDialog(row)">查看快照</ElButton>
+                  <ElButton
+                    link
+                    type="primary"
+                    :disabled="!row.resource_id"
+                    @click="openResourceTimeline(row)"
+                  >
+                    资源审计时间线
+                  </ElButton>
+                </template>
+              </ElTableColumn>
             </ElTable>
           </ElCard>
           <ElCard v-if="userStore.isSuperAdmin" shadow="never">
@@ -170,6 +162,37 @@
         <ElEmpty v-else-if="!loading" description="未找到审计事件" />
       </div>
     </ElCard>
+    <ElDialog
+      v-model="snapshotDialogVisible"
+      :title="snapshotDialogTitle"
+      width="min(960px, calc(100% - 32px))"
+      destroy-on-close
+    >
+      <div v-if="selectedResource" class="resource-snapshot-grid">
+        <ElCollapse class="resource-snapshot-section">
+          <ElCollapseItem title="身份快照" name="identity">
+            <pre>{{ auditJson(selectedResource.identity_snapshot) }}</pre>
+          </ElCollapseItem>
+        </ElCollapse>
+        <ElCollapse class="resource-snapshot-section">
+          <ElCollapseItem title="主体安全数据" name="subject">
+            <pre>{{ auditJson(selectedResource.subject_data) }}</pre>
+          </ElCollapseItem>
+        </ElCollapse>
+        <section class="resource-snapshot-diff">
+          <ElCollapse class="resource-snapshot-section">
+            <ElCollapseItem title="变更前" name="before">
+              <pre>{{ auditJson(selectedResource.before_data) }}</pre>
+            </ElCollapseItem>
+          </ElCollapse>
+          <ElCollapse class="resource-snapshot-section">
+            <ElCollapseItem title="变更后" name="after">
+              <pre>{{ auditJson(selectedResource.after_data) }}</pre>
+            </ElCollapseItem>
+          </ElCollapse>
+        </section>
+      </div>
+    </ElDialog>
   </div>
 </template>
 
@@ -195,6 +218,7 @@
   import { formatDateTime } from '@/utils/business/format'
   import { useUserStore } from '@/store/modules/user'
   import AuditInvestigationLinks from '@/components/business/audit/AuditInvestigationLinks.vue'
+  import { openAuditInvestigation } from '@/components/business/audit/investigationController'
 
   defineOptions({ name: 'AuditEventDetail' })
   const route = useRoute()
@@ -202,6 +226,14 @@
   const userStore = useUserStore()
   const loading = ref(false)
   const detail = ref<AuditEventDetail>()
+  const snapshotDialogVisible = ref(false)
+  const selectedResource = ref<AuditResourceView>()
+  const snapshotDialogTitle = computed(() => {
+    const resource = selectedResource.value
+    if (!resource) return '资源快照'
+    const type = auditResourceTypeLabels[resource.resource_type] || resource.resource_type
+    return `资源快照 · ${resource.display_name || resource.resource_id || type}`
+  })
   const scopeDisplay = computed(() => {
     if (!detail.value) return '-'
     const type = auditScopeTypeLabels[detail.value.scope_type] || detail.value.scope_type
@@ -223,6 +255,18 @@
     [row.resource_type, row.resource_id || row.resource_key || row.sort_order || row.display_name]
       .filter((item) => item !== null && item !== undefined && item !== '')
       .join(':')
+  const openSnapshotDialog = (row: AuditResourceView) => {
+    selectedResource.value = row
+    snapshotDialogVisible.value = true
+  }
+  const openResourceTimeline = (row: AuditResourceView) => {
+    if (!row.resource_id) return
+    openAuditInvestigation({
+      mode: 'resource',
+      resourceType: row.resource_type,
+      id: row.resource_id
+    })
+  }
   onMounted(async () => {
     const id = String(route.params.eventId || '')
     if (!id) return
@@ -279,14 +323,22 @@
     display: grid;
     grid-template-columns: repeat(2, minmax(0, 1fr));
     gap: 16px;
-    padding: 8px 16px 16px;
+    padding: 8px 0;
   }
 
-  .resource-snapshot-grid h4 {
-    margin: 0 0 8px;
-    font-size: 14px;
-    font-weight: 600;
-    color: var(--el-text-color-primary);
+  .resource-snapshot-diff {
+    display: grid;
+    grid-column: 1 / -1;
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+    gap: 16px;
+  }
+
+  .resource-snapshot-section {
+    min-width: 0;
+  }
+
+  .resource-snapshot-section :deep(.el-collapse-item__content) {
+    padding-bottom: 0;
   }
 
   .resource-snapshot-grid pre {
@@ -319,5 +371,9 @@
     .resource-snapshot-grid {
       grid-template-columns: 1fr;
     }
+
+    .resource-snapshot-diff {
+      grid-template-columns: 1fr;
+    }
   }
 </style>