diff --git a/src/components/flow/MaterialNode.vue b/src/components/flow/MaterialNode.vue
new file mode 100644
index 00000000..ca8d3cbf
--- /dev/null
+++ b/src/components/flow/MaterialNode.vue
@@ -0,0 +1,106 @@
+<template>
+	<div class="mnode" :class="'mnode--' + (data.kind || 'mid')">
+		<Handle type="target" :position="Position.Top" class="mnode__handle" />
+		<span class="mnode__tag">{{ kindLabel }}</span>
+		<div class="mnode__name" :title="data.label">{{ data.label }}</div>
+		<Handle type="source" :position="Position.Bottom" class="mnode__handle" />
+	</div>
+</template>
+
+<script>
+import { Handle, Position } from "@vue-flow/core";
+
+// 物料节点卡片：scFlowEditor（编辑）与 scFlowViewer（查看）共用，保证两端视觉一致
+export default {
+	name: "MaterialNode",
+	components: { Handle },
+	props: {
+		// { label, kind: raw|mid|final }
+		data: { type: Object, default: () => ({}) },
+	},
+	data() {
+		return { Position };
+	},
+	computed: {
+		kindLabel() {
+			return { raw: "原料", final: "成品", mid: "半成品" }[this.data.kind] || "半成品";
+		},
+	},
+};
+</script>
+
+<style scoped>
+.mnode {
+	position: relative;
+	width: 150px;
+	padding: 6px 10px 8px;
+	border-radius: 8px;
+	border: 1px solid #dcdfe6;
+	background: #fff;
+	box-shadow: 0 2px 8px rgba(31, 45, 61, 0.08);
+	text-align: center;
+	transition: box-shadow 0.15s, transform 0.15s;
+}
+.mnode:hover {
+	box-shadow: 0 4px 14px rgba(31, 45, 61, 0.16);
+	transform: translateY(-1px);
+}
+.mnode__tag {
+	display: inline-block;
+	font-size: 11px;
+	line-height: 1;
+	padding: 2px 6px;
+	border-radius: 8px;
+	margin-bottom: 5px;
+	color: #fff;
+}
+.mnode__name {
+	font-size: 12px;
+	line-height: 1.3;
+	color: #303133;
+	word-break: break-all;
+	display: -webkit-box;
+	-webkit-line-clamp: 2;
+	-webkit-box-orient: vertical;
+	overflow: hidden;
+}
+.mnode--raw {
+	border-color: #f0c78a;
+	background: #fffaf2;
+}
+.mnode--raw .mnode__tag {
+	background: #e6a23c;
+}
+.mnode--mid {
+	border-color: #a3d0ff;
+	background: #f5faff;
+}
+.mnode--mid .mnode__tag {
+	background: #409eff;
+}
+.mnode--final {
+	border-color: #a4da89;
+	background: #f6fcf1;
+}
+.mnode--final .mnode__tag {
+	background: #67c23a;
+}
+</style>
+
+<style>
+/* Vue Flow 内部元素（非 scoped） */
+.vue-flow__node-material {
+	background: transparent;
+	border: none;
+	padding: 0;
+}
+.vue-flow__handle {
+	width: 9px;
+	height: 9px;
+	background: #fff;
+	border: 2px solid #409eff;
+}
+.vue-flow__handle:hover {
+	background: #409eff;
+}
+</style>
diff --git a/src/components/flow/dagreLayout.js b/src/components/flow/dagreLayout.js
new file mode 100644
index 00000000..a7275036
--- /dev/null
+++ b/src/components/flow/dagreLayout.js
@@ -0,0 +1,24 @@
+import dagre from "dagre";
+
+export const NODE_W = 150;
+export const NODE_H = 54;
+
+/**
+ * dagre 自动布局，返回带 position 的 nodes
+ * @param {Array} nodes Vue Flow 节点（id 必须为字符串）
+ * @param {Array} edges Vue Flow 边
+ * @param {Object} opts { rankdir: TB|BT|LR|RL, nodeW, nodeH }
+ */
+export function layoutGraph(nodes, edges, opts = {}) {
+	const { rankdir = "TB", nodeW = NODE_W, nodeH = NODE_H } = opts;
+	const g = new dagre.graphlib.Graph();
+	g.setGraph({ rankdir, nodesep: 30, ranksep: 56, marginx: 20, marginy: 20 });
+	g.setDefaultEdgeLabel(() => ({}));
+	nodes.forEach((n) => g.setNode(n.id, { width: nodeW, height: nodeH }));
+	edges.forEach((e) => g.setEdge(e.source, e.target));
+	dagre.layout(g);
+	return nodes.map((n) => {
+		const gn = g.node(n.id);
+		return { ...n, position: { x: gn.x - nodeW / 2, y: gn.y - nodeH / 2 } };
+	});
+}
diff --git a/src/components/scFlowEditor.vue b/src/components/scFlowEditor.vue
index 668467ef..2c9a8afc 100644
--- a/src/components/scFlowEditor.vue
+++ b/src/components/scFlowEditor.vue
@@ -72,14 +72,9 @@
 					@edge-context-menu="onEdgeContextMenu"
 					@node-context-menu="onNodeContextMenu"
 				>
-					<!-- 自定义物料节点 -->
+					<!-- 自定义物料节点（与 scFlowViewer 共用） -->
 					<template #node-material="{ data }">
-						<div class="mnode" :class="'mnode--' + (data.kind || 'mid')">
-							<Handle type="target" :position="Position.Top" class="mnode__handle" />
-							<span class="mnode__tag">{{ kindLabel(data.kind) }}</span>
-							<div class="mnode__name" :title="data.label">{{ data.label }}</div>
-							<Handle type="source" :position="Position.Bottom" class="mnode__handle" />
-						</div>
+						<material-node :data="data" />
 					</template>
 
 					<Background :gap="18" pattern-color="#e6e9ef" />
@@ -105,24 +100,22 @@
 </template>
 
 <script>
-import { VueFlow, useVueFlow, Handle, Position } from "@vue-flow/core";
+import { VueFlow, useVueFlow } from "@vue-flow/core";
 import { Background } from "@vue-flow/background";
 import { Controls } from "@vue-flow/controls";
-import dagre from "dagre";
 import routeForm from "@/views/mtm/route_form.vue";
+import MaterialNode from "./flow/MaterialNode.vue";
+import { layoutGraph } from "./flow/dagreLayout";
 import "@vue-flow/core/dist/style.css";
 import "@vue-flow/core/dist/theme-default.css";
 import "@vue-flow/controls/dist/style.css";
 
-const NODE_W = 150;
-const NODE_H = 54;
-
 // 每个编辑器实例分配唯一 flowId，避免 Vue Flow 全局 store 按固定 id 缓存导致跨次残留
 let flowSeq = 0;
 
 export default {
 	name: "scFlowEditor",
-	components: { VueFlow, Background, Controls, routeForm, Handle },
+	components: { VueFlow, Background, Controls, routeForm, MaterialNode },
 	props: {
 		// 工艺包 id
 		routepack: { type: String, default: "" },
@@ -134,7 +127,7 @@ export default {
 		const flowId = "route-flow-editor-" + ++flowSeq;
 		const { fitView, screenToFlowCoordinate, project, setNodes, setEdges, addNodes, removeNodes } =
 			useVueFlow(flowId);
-		return { flowId, Position, fitView, screenToFlowCoordinate, project, setNodes, setEdges, addNodes, removeNodes };
+		return { flowId, fitView, screenToFlowCoordinate, project, setNodes, setEdges, addNodes, removeNodes };
 	},
 	data() {
 		return {
@@ -176,10 +169,6 @@ export default {
 		if (this.routepack) this.reload();
 	},
 	methods: {
-		kindLabel(kind) {
-			return { raw: "原料", final: "成品", mid: "半成品" }[kind] || "半成品";
-		},
-
 		/** 加载左侧物料面板列表 */
 		loadMaterials() {
 			this.matLoading = true;
@@ -265,7 +254,7 @@ export default {
 			this.seedNodes = this.seedNodes.filter((s) => !routeNodeIds.has(s.id));
 
 			this.edges = edges;
-			this.nodes = this.doLayout(routeNodes.concat(this.seedNodes), edges);
+			this.nodes = layoutGraph(routeNodes.concat(this.seedNodes), edges);
 			this.syncStore();
 		},
 
@@ -276,23 +265,9 @@ export default {
 			this.setEdges(this.edges);
 		},
 
-		/** dagre 布局，返回带 position 的 nodes（自上而下 TB） */
-		doLayout(nodes, edges, rankdir = "TB") {
-			const g = new dagre.graphlib.Graph();
-			g.setGraph({ rankdir, nodesep: 30, ranksep: 56, marginx: 20, marginy: 20 });
-			g.setDefaultEdgeLabel(() => ({}));
-			nodes.forEach((n) => g.setNode(n.id, { width: NODE_W, height: NODE_H }));
-			edges.forEach((e) => g.setEdge(e.source, e.target));
-			dagre.layout(g);
-			return nodes.map((n) => {
-				const gn = g.node(n.id);
-				return { ...n, position: { x: gn.x - NODE_W / 2, y: gn.y - NODE_H / 2 } };
-			});
-		},
-
 		/** 重新布局并适应画布 */
 		relayout() {
-			this.nodes = this.doLayout([...this.nodes], this.edges);
+			this.nodes = layoutGraph([...this.nodes], this.edges);
 			this.setNodes(this.nodes);
 			this.doFit();
 		},
@@ -668,79 +643,9 @@ export default {
 	margin-bottom: 10px;
 }
 
-/* ===== 自定义物料节点 ===== */
-.mnode {
-	position: relative;
-	width: 150px;
-	padding: 6px 10px 8px;
-	border-radius: 8px;
-	border: 1px solid #dcdfe6;
-	background: #fff;
-	box-shadow: 0 2px 8px rgba(31, 45, 61, 0.08);
-	text-align: center;
-	transition: box-shadow 0.15s, transform 0.15s;
-}
-.mnode:hover {
-	box-shadow: 0 4px 14px rgba(31, 45, 61, 0.16);
-	transform: translateY(-1px);
-}
-.mnode__tag {
-	display: inline-block;
-	font-size: 11px;
-	line-height: 1;
-	padding: 2px 6px;
-	border-radius: 8px;
-	margin-bottom: 5px;
-	color: #fff;
-}
-.mnode__name {
-	font-size: 12px;
-	line-height: 1.3;
-	color: #303133;
-	word-break: break-all;
-	display: -webkit-box;
-	-webkit-line-clamp: 2;
-	-webkit-box-orient: vertical;
-	overflow: hidden;
-}
-.mnode--raw {
-	border-color: #f0c78a;
-	background: #fffaf2;
-}
-.mnode--raw .mnode__tag {
-	background: #e6a23c;
-}
-.mnode--mid {
-	border-color: #a3d0ff;
-	background: #f5faff;
-}
-.mnode--mid .mnode__tag {
-	background: #409eff;
-}
-.mnode--final {
-	border-color: #a4da89;
-	background: #f6fcf1;
-}
-.mnode--final .mnode__tag {
-	background: #67c23a;
-}
 </style>
 <style>
-/* Vue Flow 内部元素（非 scoped） */
-.vue-flow__handle {
-	width: 9px;
-	height: 9px;
-	background: #fff;
-	border: 2px solid #409eff;
-}
-.vue-flow__handle:hover {
-	background: #409eff;
-}
-.vue-flow__node-material {
-	background: transparent;
-	border: none;
-	padding: 0;
-}
+/* Vue Flow 内部元素（非 scoped）；物料节点样式在 flow/MaterialNode.vue */
 .vue-flow__controls {
 	box-shadow: 0 2px 10px rgba(31, 45, 61, 0.12);
 	border-radius: 6px;
diff --git a/src/components/scFlowViewer.vue b/src/components/scFlowViewer.vue
new file mode 100644
index 00000000..afd6913d
--- /dev/null
+++ b/src/components/scFlowViewer.vue
@@ -0,0 +1,147 @@
+<template>
+	<div class="sc-flow-viewer">
+		<VueFlow
+			:id="flowId"
+			:min-zoom="0.2"
+			:max-zoom="2"
+			:nodes-draggable="false"
+			:nodes-connectable="false"
+			:elements-selectable="false"
+			@nodes-initialized="onNodesInit"
+		>
+			<template #node-material="{ data }">
+				<material-node :data="data" />
+			</template>
+			<Background :gap="18" pattern-color="#e6e9ef" />
+			<Controls :show-interactive="false" />
+		</VueFlow>
+	</div>
+</template>
+
+<script>
+import { VueFlow, useVueFlow } from "@vue-flow/core";
+import { Background } from "@vue-flow/background";
+import { Controls } from "@vue-flow/controls";
+import MaterialNode from "./flow/MaterialNode.vue";
+import { layoutGraph } from "./flow/dagreLayout";
+import "@vue-flow/core/dist/style.css";
+import "@vue-flow/core/dist/theme-default.css";
+import "@vue-flow/controls/dist/style.css";
+
+// 每个实例分配唯一 flowId，避免 Vue Flow 全局 store 按固定 id 缓存导致多实例互相覆盖
+let viewerSeq = 0;
+
+/**
+ * 工艺路线只读流程图（Vue Flow 版），与 scFlowEditor 共用节点样式与布局。
+ * props 与 scDegra 对齐：nodes [{id,label}]、edges [{id,source,target,label}]
+ */
+export default {
+	name: "scFlowViewer",
+	components: { VueFlow, Background, Controls, MaterialNode },
+	props: {
+		nodes: { type: Array, default: () => [] },
+		edges: { type: Array, default: () => [] },
+		rankdir: { type: String, default: "TB" },
+	},
+	setup() {
+		const flowId = "sc-flow-viewer-" + ++viewerSeq;
+		const { fitView, setNodes, setEdges } = useVueFlow(flowId);
+		return { flowId, fitView, setNodes, setEdges };
+	},
+	watch: {
+		nodes() {
+			this.rebuild();
+		},
+		edges() {
+			this.rebuild();
+		},
+	},
+	mounted() {
+		this.rebuild();
+	},
+	methods: {
+		/** nodes/edges -> Vue Flow 图；节点类型按出入度推断（无入边=原料，无出边=成品） */
+		rebuild() {
+			const sourceIds = new Set();
+			const targetIds = new Set();
+			const rawEdges = (this.edges || [])
+				.filter((e) => e.source != null && e.target != null)
+				.map((e) => {
+					const sid = String(e.source);
+					const tid = String(e.target);
+					sourceIds.add(sid);
+					targetIds.add(tid);
+					return {
+						id: e.id != null ? String(e.id) : sid + "-" + tid,
+						source: sid,
+						target: tid,
+						label: e.label || "",
+						type: "smoothstep",
+						markerEnd: "arrowclosed",
+						style: { stroke: "#409eff", strokeWidth: 2 },
+						labelStyle: { fill: "#5b6370", fontSize: "12px", fontWeight: 500 },
+						labelBgStyle: { fill: "#ffffff", stroke: "#e4e7ed", strokeWidth: 1 },
+						labelBgPadding: [7, 4],
+						labelBgBorderRadius: 6,
+					};
+				});
+			const vNodes = (this.nodes || [])
+				.filter((n) => n.id != null && n.label)
+				.map((n) => {
+					const id = String(n.id);
+					const isSrc = sourceIds.has(id);
+					const isTgt = targetIds.has(id);
+					let kind = "mid";
+					if (isTgt && !isSrc) kind = "final";
+					else if (isSrc && !isTgt) kind = "raw";
+					return { id, type: "material", data: { label: n.label, kind }, position: { x: 0, y: 0 } };
+				});
+			const nodeIds = new Set(vNodes.map((n) => n.id));
+			const vEdges = rawEdges.filter((e) => nodeIds.has(e.source) && nodeIds.has(e.target));
+
+			this.setEdges([]);
+			this.setNodes(layoutGraph(vNodes, vEdges, { rankdir: this.rankdir }));
+			this.setEdges(vEdges);
+			this.doFit();
+		},
+		onNodesInit() {
+			this.doFit();
+		},
+		doFit() {
+			this.$nextTick(() => {
+				try {
+					this.fitView({ padding: 0.2, maxZoom: 1, duration: 200 });
+				} catch (e) {
+					/* noop */
+				}
+			});
+		},
+	},
+};
+</script>
+
+<style scoped>
+.sc-flow-viewer {
+	position: relative;
+	width: 100%;
+	height: 100%;
+	min-height: 320px;
+	border: 1px solid #eef1f6;
+	border-radius: 8px;
+	overflow: hidden;
+	background: #fbfcfe;
+}
+/* 只读视图：隐藏连接点 */
+.sc-flow-viewer :deep(.vue-flow__handle) {
+	opacity: 0;
+	pointer-events: none;
+}
+</style>
+
+<style>
+.sc-flow-viewer .vue-flow__controls {
+	box-shadow: 0 2px 10px rgba(31, 45, 61, 0.12);
+	border-radius: 6px;
+	overflow: hidden;
+}
+</style>
diff --git a/src/views/mtm/route.vue b/src/views/mtm/route.vue
index b6fe9275..f733e2bd 100644
--- a/src/views/mtm/route.vue
+++ b/src/views/mtm/route.vue
@@ -17,14 +17,7 @@
                             </div>
                         </el-header>
                         <el-main class="nopadding">
-                            <scDegra
-                                style="margin-top: 50px;"
-                                ref="degraDialogs" 
-                                :nodes="nodes"
-                                :edges="edges"
-                                :rankdir="'DL'"
-                                >
-                            </scDegra>
+                            <scFlowViewer :nodes="nodes" :edges="edges"></scFlowViewer>
                         </el-main>
                     </el-container>
                 </el-aside>
@@ -130,6 +123,9 @@
     </el-dialog>
 </template>
 <script>
+import { defineAsyncComponent } from "vue";
+// 异步加载：Vue Flow 单独分包
+const scFlowViewer = defineAsyncComponent(() => import("@/components/scFlowViewer.vue"));
 const defaultForm = {
     process: null,
     sort: 1,
@@ -139,7 +135,7 @@ const defaultForm = {
 };
 export default {
     name: "route",
-    components: {},
+    components: { scFlowViewer },
     data() {
         return {
             apiObj: null,
diff --git a/src/views/mtm/route_show.vue b/src/views/mtm/route_show.vue
index f42c0a9f..a4af187e 100644
--- a/src/views/mtm/route_show.vue
+++ b/src/views/mtm/route_show.vue
@@ -17,17 +17,17 @@
 				</el-header>
 				<el-main>
 					<el-container>
-						<el-aside style="width: 50%;overflow: scroll;">
+						<el-aside style="width: 50%;overflow: hidden;display: flex;flex-direction: column;">
 							<div
-								style="font-weight: 600;color: #303133;font-size: 16px;padding: 10px 0;position: fixed;">
+								style="font-weight: 600;color: #303133;font-size: 16px;padding: 10px 0;">
 								工艺路线流程图</div>
-							<el-tabs v-if="tabsTitle.length > 1" v-model="activeName" :tab-position="'left'"
-								style="flex-direction: row;" @tab-click="tabshandleClick">
+							<el-tabs v-if="tabsTitle.length > 1" v-model="activeName" :tab-position="'top'"
+								@tab-click="tabshandleClick">
 								<el-tab-pane :label="item" v-for="item in tabsTitle" :key="item"></el-tab-pane>
 							</el-tabs>
-							<scDegra style="margin-top: 50px;" v-if="limitedWatch" ref="degraDialogs" :nodes="nodes"
-								:edges="edges" :rankdir="'DL'" @closeDialog="limitedWatch = false">
-							</scDegra>
+							<scFlowViewer v-if="limitedWatch" :nodes="nodes" :edges="edges"
+								style="flex: 1;min-height: 0;">
+							</scFlowViewer>
 						</el-aside>
 						<el-main class="padding: 1px">
 							<scTable ref="tables" :data="tableData" row-key="id" hidePagination hideDo stripe border>
@@ -70,10 +70,13 @@
 	</el-container>
 </template>
 <script>
+import { defineAsyncComponent } from "vue";
 import ticketd from '@/views/wf/ticketd.vue'
+// 异步加载：Vue Flow 单独分包，仅打开详情时才下载
+const scFlowViewer = defineAsyncComponent(() => import("@/components/scFlowViewer.vue"));
 export default {
 	emits: ["success", "closed"],
-	components: { ticketd },
+	components: { ticketd, scFlowViewer },
 	props: {
 		t_id: { type: String, default: null },
 	},