diff --git a/src/views/assets/component/operationLogDialog.vue b/src/views/assets/component/operationLogDialog.vue
index cd0f356..168b889 100644
--- a/src/views/assets/component/operationLogDialog.vue
+++ b/src/views/assets/component/operationLogDialog.vue
@@ -1,67 +1,125 @@
 <template>
-	<el-dialog v-model="dialogVisible" title="操作日志" width="800px" :close-on-click-modal="false" append-to-body>
-		<el-table :data="logList" style="width: 100%" v-loading="loading" border max-height="500">
-			<el-table-column prop="createdAt" label="操作时间" width="170" />
-			<el-table-column prop="operation" label="操作类型" width="100" align="center">
-				<template #default="scope">
-					<el-tag :type="getOperationTagType(scope.row.operation)">{{ getOperationLabel(scope.row.operation) }}</el-tag>
-				</template>
-			</el-table-column>
-			<el-table-column prop="creator" label="操作人" width="120" />
-			<el-table-column prop="data" label="变更内容" min-width="200">
-				<template #default="scope">
-					<div v-if="scope.row.data && scope.row.data.length > 0" class="change-content">
-						<div v-for="(item, index) in scope.row.data" :key="index" class="change-item">
-							<span class="field-name">{{ item.FieldName }}:</span>
-							<el-tooltip v-if="isLongValue(item.FieldValue)" placement="top" :content="formatFieldValue(item.FieldValue)" :show-after="300">
-								<span class="field-value truncate">{{ truncateValue(item.FieldValue) }}</span>
-							</el-tooltip>
-							<span v-else class="field-value">{{ formatFieldValue(item.FieldValue) }}</span>
+	<el-drawer v-model="drawerVisible" title="操作日志" size="70%" direction="rtl" :close-on-click-modal="true" :modal="true" append-to-body>
+		<div class="log-container" v-loading="loading" style="padding: 20px;">
+			<div class="log-layout">
+				<!-- 左侧时间线 -->
+				<div class="timeline-panel">
+					<el-scrollbar height="100%">
+						<el-timeline>
+							<el-timeline-item
+								v-for="(log, index) in logList"
+								:key="log.id"
+								:type="getOperationTagType(log.operation)"
+								:hollow="selectedLogIndex !== index"
+								:timestamp="log.createdAt"
+								placement="top"
+								@click="selectLog(index)"
+								:class="{ 'timeline-item-active': selectedLogIndex === index }"
+							>
+								<div class="timeline-content" @click="selectLog(index)">
+									<div class="timeline-header">
+										<el-tag size="small" :type="getOperationTagType(log.operation)">{{ getOperationLabel(log.operation) }}</el-tag>
+									</div>
+									<div class="timeline-info">
+										<span class="creator">{{ log.creator }}</span>
+									</div>
+								</div>
+							</el-timeline-item>
+						</el-timeline>
+						<!-- 加载更多 -->
+						<div class="load-more" v-if="logList.length > 0 && logList.length < total">
+							<el-button text type="primary" @click="loadMore" :loading="loadingMore">加载更多</el-button>
 						</div>
-					</div>
-					<span v-else class="no-data">-</span>
-				</template>
-			</el-table-column>
-			<el-table-column prop="ip_address" label="IP地址" width="140" />
-		</el-table>
-		<!-- 分页 -->
-		<div class="mt15" style="text-align: right" v-if="total > 0">
-			<el-pagination
-				v-model:current-page="queryParams.pageNum"
-				v-model:page-size="queryParams.pageSize"
-				:page-sizes="[10, 20, 50]"
-				:total="total"
-				layout="total, sizes, prev, pager, next"
-				@size-change="onSizeChange"
-				@current-change="onCurrentChange"
-			/>
+						<el-empty v-if="!loading && logList.length === 0" description="暂无日志记录" />
+					</el-scrollbar>
+				</div>
+				<!-- 右侧详情表格 -->
+				<div class="detail-panel">
+					<template v-if="selectedLog">
+						<div class="detail-header">
+							<el-tag :type="getOperationTagType(selectedLog.operation)">{{ getOperationLabel(selectedLog.operation) }}</el-tag>
+							<span class="detail-time">{{ selectedLog.createdAt }}</span>
+							<span class="detail-creator">操作人：{{ selectedLog.creator }}</span>
+						</div>
+						<el-table :data="selectedLogWithOldValue" border style="width: 100%" max-height="calc(100vh - 200px)">
+							<el-table-column prop="FieldName" label="字段名" width="150" />
+							<el-table-column prop="OldValue" label="原值" min-width="200">
+								<template #default="scope">
+									<span class="cell-value old-value">{{ formatFieldValue(scope.row.OldValue) }}</span>
+								</template>
+							</el-table-column>
+							<el-table-column prop="NewValue" label="新值" min-width="200">
+								<template #default="scope">
+									<span class="cell-value new-value">{{ formatFieldValue(scope.row.NewValue) }}</span>
+								</template>
+							</el-table-column>
+						</el-table>
+						<el-empty v-if="selectedLogWithOldValue.length === 0" description="无变更内容" />
+					</template>
+					<el-empty v-else description="请选择左侧日志记录查看详情" />
+				</div>
+			</div>
 		</div>
-		<template #footer>
-			<el-button @click="dialogVisible = false">关闭</el-button>
-		</template>
-	</el-dialog>
+	</el-drawer>
 </template>
 
 <script setup lang="ts">
-import { ref, reactive } from 'vue';
+import { ref, reactive, computed } from 'vue';
 import { listLogs, OperationLogInfo } from '/@/api/assets/asset';
 
-const dialogVisible = ref(false);
+const drawerVisible = ref(false);
 const loading = ref(false);
+const loadingMore = ref(false);
 const logList = ref<OperationLogInfo[]>([]);
 const total = ref(0);
+const selectedLogIndex = ref<number | null>(null);
 
 const queryParams = reactive({
 	collection_id: '',
 	pageNum: 1,
-	pageSize: 10,
+	pageSize: 20,
 });
 
-// 打开弹窗
+// 当前选中的日志
+const selectedLog = computed(() => {
+	if (selectedLogIndex.value !== null && logList.value[selectedLogIndex.value]) {
+		return logList.value[selectedLogIndex.value];
+	}
+	return null;
+});
+
+// 获取下一条日志（更早的记录）中某字段的值作为原值
+const getOldValue = (fieldName: string) => {
+	if (selectedLogIndex.value === null) return null;
+	// 日志按时间倒序，下一条是更早的记录
+	const nextIndex = selectedLogIndex.value + 1;
+	if (nextIndex >= logList.value.length) {
+		// 没有更早的记录，返回 null
+		return null;
+	}
+	const nextLog = logList.value[nextIndex];
+	if (!nextLog.data) return null;
+	const field = nextLog.data.find((item) => item.FieldName === fieldName);
+	return field ? field.FieldValue : null;
+};
+
+// 带有原值的选中日志数据
+const selectedLogWithOldValue = computed(() => {
+	if (!selectedLog.value || !selectedLog.value.data) return [];
+	return selectedLog.value.data.map((item) => ({
+		FieldName: item.FieldName,
+		OldValue: getOldValue(item.FieldName),
+		NewValue: item.FieldValue,
+	}));
+});
+
+// 打开抽屉
 const openDialog = (collectionId: string) => {
 	queryParams.collection_id = collectionId;
 	queryParams.pageNum = 1;
-	dialogVisible.value = true;
+	logList.value = [];
+	selectedLogIndex.value = null;
+	drawerVisible.value = true;
 	fetchLogs();
 };
 
@@ -73,6 +131,10 @@ const fetchLogs = async () => {
 		if (res.code === 0 && res.data) {
 			logList.value = res.data.logs || [];
 			total.value = res.data.total || 0;
+			// 默认选中第一条
+			if (logList.value.length > 0) {
+				selectedLogIndex.value = 0;
+			}
 		}
 	} catch (error) {
 		// 错误已由拦截器处理
@@ -81,6 +143,28 @@ const fetchLogs = async () => {
 	}
 };
 
+// 加载更多
+const loadMore = async () => {
+	loadingMore.value = true;
+	queryParams.pageNum++;
+	try {
+		const res: any = await listLogs(queryParams);
+		if (res.code === 0 && res.data) {
+			logList.value.push(...(res.data.logs || []));
+			total.value = res.data.total || 0;
+		}
+	} catch (error) {
+		queryParams.pageNum--;
+	} finally {
+		loadingMore.value = false;
+	}
+};
+
+// 选择日志
+const selectLog = (index: number) => {
+	selectedLogIndex.value = index;
+};
+
 // 操作类型标签
 const getOperationTagType = (operation: string) => {
 	switch (operation) {
@@ -117,64 +201,106 @@ const formatFieldValue = (value: any) => {
 	return String(value);
 };
 
-// 判断是否为长文本
-const isLongValue = (value: any) => {
-	const str = formatFieldValue(value);
-	return str.length > 50;
-};
-
-// 截断长文本
-const truncateValue = (value: any) => {
-	const str = formatFieldValue(value);
-	if (str.length > 50) {
-		return str.substring(0, 50) + '...';
-	}
-	return str;
-};
-
-// 分页
-const onSizeChange = () => {
-	queryParams.pageNum = 1;
-	fetchLogs();
-};
-
-const onCurrentChange = () => {
-	fetchLogs();
-};
-
 defineExpose({
 	openDialog,
 });
 </script>
 
 <style scoped lang="scss">
-.change-content {
-	max-height: 150px;
-	overflow-y: auto;
+.log-container {
+	height: calc(100vh - 120px);
+	padding: 20px !important;
 }
-.change-item {
-	margin-bottom: 4px;
-	line-height: 1.6;
-	&:last-child {
-		margin-bottom: 0;
+.log-layout {
+	display: flex;
+	height: 100%;
+	gap: 24px;
+}
+.timeline-panel {
+	width: 260px;
+	flex-shrink: 0;
+	border-right: 1px solid #ebeef5;
+	padding-right: 16px;
+	height: 100%;
+	:deep(.el-timeline) {
+		padding-top: 4px;
+		padding-left: 4px;
 	}
-	.field-name {
-		color: #909399;
-		margin-right: 8px;
-	}
-	.field-value {
-		color: #303133;
-		word-break: break-all;
-		&.truncate {
-			cursor: pointer;
-			color: #409eff;
-			&:hover {
-				text-decoration: underline;
+	:deep(.el-timeline-item) {
+		cursor: pointer;
+		padding-bottom: 16px;
+		.el-timeline-item__timestamp {
+			margin-bottom: 8px;
+		}
+		&.timeline-item-active {
+			.el-timeline-item__node {
+				transform: scale(1.3);
+			}
+			.timeline-content {
+				background: #f0f9ff;
+				border-color: #409eff;
 			}
 		}
 	}
+	.timeline-content {
+		padding: 10px 12px;
+		border-radius: 6px;
+		border: 1px solid #ebeef5;
+		transition: all 0.2s;
+		&:hover {
+			border-color: #c0c4cc;
+			background: #fafafa;
+		}
+	}
+	.timeline-header {
+		margin-bottom: 6px;
+	}
+	.timeline-info {
+		font-size: 12px;
+		color: #909399;
+		display: flex;
+		justify-content: space-between;
+		.creator {
+			font-weight: 500;
+			color: #606266;
+		}
+	}
+	.load-more {
+		text-align: center;
+		padding: 10px 0;
+	}
 }
-.no-data {
-	color: #c0c4cc;
+.detail-panel {
+	flex: 1;
+	overflow: hidden;
+	padding-right: 10px;
+	.detail-header {
+		margin-bottom: 12px;
+		padding-bottom: 12px;
+		border-bottom: 1px solid #ebeef5;
+		display: flex;
+		align-items: center;
+		gap: 16px;
+		.detail-time {
+			color: #909399;
+			font-size: 14px;
+		}
+		.detail-creator {
+			color: #606266;
+			font-size: 14px;
+		}
+	}
+	.cell-value {
+		word-break: break-all;
+		display: block;
+		max-height: 100px;
+		overflow-y: auto;
+	}
+	.old-value {
+		color: #f56c6c;
+	}
+	.new-value {
+		color: #67c23a;
+	}
 }
 </style>