diff --git a/src/modules/cockpit/domain/pipeNetwork.js b/src/modules/cockpit/domain/pipeNetwork.js
index 1c5b3b0..bbe6775 100644
--- a/src/modules/cockpit/domain/pipeNetwork.js
+++ b/src/modules/cockpit/domain/pipeNetwork.js
@@ -110,13 +110,16 @@ function diameterOf(value) {
     return Number.isFinite(number) ? number : null
 }
 
-/** 管段几何：两点 `[lon, lat]`；点数不足 2 一律不可上图（不补点、不截断成一点）。 */
+/** 管段几何：保留完整路径；任一顶点结构非法就整条拦下，不跳点重连。 */
 function pipePositions(geometry) {
     const raw = geometry && geometry.type === 'LineString' && Array.isArray(geometry.coordinates) ? geometry.coordinates : []
-    const positions = raw
-        .filter((pair) => Array.isArray(pair) && isFiniteNumber(pair[0]) && isFiniteNumber(pair[1]))
-        .map((pair) => [pair[0], pair[1]])
-    return positions.length >= 2 ? positions : []
+    if (raw.length < 2) return []
+    const positions = []
+    for (const pair of raw) {
+        if (!Array.isArray(pair) || !isFiniteNumber(pair[0]) || !isFiniteNumber(pair[1])) return []
+        positions.push([pair[0], pair[1]])
+    }
+    return positions
 }
 
 /** 构件几何：点 `[lon, lat]`。 */
diff --git a/src/modules/cockpit/services/cesiumEngine.js b/src/modules/cockpit/services/cesiumEngine.js
index c39a3a5..999472e 100644
--- a/src/modules/cockpit/services/cesiumEngine.js
+++ b/src/modules/cockpit/services/cesiumEngine.js
@@ -1452,6 +1452,21 @@ function overlapTargetAt(viewer, windowX, windowY) {
     return null
 }
 
+/** 仅穿过本管线图层；其它场景对象仍按 Cesium 的前后顺序遮挡。 */
+function pickThroughPipelines(viewer, position) {
+    const scene = viewer.scene
+    const picked = scene.pick(position)
+    const source = pipelineSource(viewer)
+    const isPipeline = (hit) => {
+        const id = hit && hit.id
+        return Boolean(id && (id.kind === 'pipe-model-batch' || (source && source.entities.contains(id))))
+    }
+    if (!isPipeline(picked)) return picked
+    // 普通拾取不受影响；只有最上层是管线时才执行多层拾取。
+    if (typeof scene.drillPick !== 'function') return null
+    return scene.drillPick(position).find((hit) => !isPipeline(hit)) || null
+}
+
 export function pickDeviceMarkerAt(viewer, windowX, windowY) {
     if (!viewer || !viewer.scene || !viewer.canvas || typeof viewer.scene.pick !== 'function') return null
 
@@ -1461,7 +1476,7 @@ export function pickDeviceMarkerAt(viewer, windowX, windowY) {
     if (projectedHit) return projectedHit
 
     const rect = viewer.canvas.getBoundingClientRect()
-    const picked = viewer.scene.pick(new Cartesian2(windowX - rect.left, windowY - rect.top))
+    const picked = pickThroughPipelines(viewer, new Cartesian2(windowX - rect.left, windowY - rect.top))
     const entity = picked && picked.id
     const properties = entity && entity.properties
     if (properties) {
@@ -2099,7 +2114,7 @@ export function pickPointMarkerAt(viewer, windowX, windowY) {
     if (!viewer || !viewer.scene || !viewer.canvas || typeof viewer.scene.pick !== 'function') return null
 
     const rect = viewer.canvas.getBoundingClientRect()
-    const picked = viewer.scene.pick(new Cartesian2(windowX - rect.left, windowY - rect.top))
+    const picked = pickThroughPipelines(viewer, new Cartesian2(windowX - rect.left, windowY - rect.top))
     const entity = picked && picked.id
     const properties = entity && entity.properties
     if (!properties || !properties.pointCode) return null
diff --git a/.scratch/cockpit-shell-panel-layout/verify/t41-point-locate-anchor.mjs b/.scratch/cockpit-shell-panel-layout/verify/t41-point-locate-anchor.mjs
index 78048e4..5263204 100644
--- a/.scratch/cockpit-shell-panel-layout/verify/t41-point-locate-anchor.mjs
+++ b/.scratch/cockpit-shell-panel-layout/verify/t41-point-locate-anchor.mjs
@@ -248,7 +248,7 @@ const CANVAS = { left: 0, top: 0, right: 1600, bottom: 900 }
 
     // 验收第 6 条：禁止读取 Cesium 私有实体。
     const engine = read('services/cesiumEngine.js')
-    const privateRead = /\._entity|\._billboard|\._position|drillPick|\._id\b|\._show\b/.test(engine)
+    const privateRead = /\._entity|\._billboard|\._position|\._id\b|\._show\b/.test(engine)
     check('E4-no-private-cesium-members', !privateRead, '不读 Cesium 私有成员（只用公开实体/属性与公开拾取）')
 
     // 锚点的高度回退：**瓦片未加载时按椭球面**，不能因为"配了地形却取不到高度"就判标记离屏。
diff --git a/.scratch/cockpit-shell-panel-layout/verify/t45-selection-continuity.mjs b/.scratch/cockpit-shell-panel-layout/verify/t45-selection-continuity.mjs
index 7321ddc..4bb8828 100644
--- a/.scratch/cockpit-shell-panel-layout/verify/t45-selection-continuity.mjs
+++ b/.scratch/cockpit-shell-panel-layout/verify/t45-selection-continuity.mjs
@@ -49,11 +49,12 @@ check('aggregate symbol carries readable quantity and separate identity', () =>
 })
 check('monitoring point creates a visible name label', () => {
     const created = []
-    const pctx=vm.createContext({pointMarkerSource:()=>({entities:{removeAll(){},add(e){created.push(e)}}}),Cartesian3:{fromDegrees(){}},Cartesian2:class{},HeightReference:{},VerticalOrigin:{},Color:{WHITE:{},BLACK:{withAlpha:(alpha)=>({alpha})}},LabelStyle:{},viewer:{}})
+    const pctx=vm.createContext({pointMarkerSource:()=>({entities:{removeAll(){},add(e){created.push(e);return e}}}),markerEntityIndex:new WeakMap(),Cartesian3:{fromDegrees(){}},Cartesian2:class{},HeightReference:{},VerticalOrigin:{},Color:{WHITE:{},BLACK:{withAlpha:(alpha)=>({alpha})}},LabelStyle:{},viewer:{}})
     pctx.MAP_LABEL_STYLE = MAP_LABEL_STYLE
     pctx.mapLabelText = mapLabelText
     pctx.Color.fromCssColorString = () => ({ withAlpha: (alpha) => ({ alpha }) })
     vm.runInContext(extract(engine,'mapTextLabel'),pctx)
+    vm.runInContext(extract(engine,'markerFingerprint'),pctx)
     vm.runInContext(extract(engine,'syncPointMarkers'),pctx)
     vm.runInContext("syncPointMarkers(viewer,[{key:'monitoring-point|P',code:'P',kind:'monitoring-point',name:'城南监测点',longitude:1,latitude:2}],()=>'color',()=>'image')",pctx)
     assert.equal(created[0].label?.text,'⟦ 城南监测点 ⟧')
@@ -213,7 +214,7 @@ const pickContext = vm.createContext({
     Cartesian2: class { constructor(x, y) { this.x = x; this.y = y } },
     viewer: { scene: { pick: () => ({ id: pickedEntity }) }, canvas: { getBoundingClientRect: () => ({ left: 0, top: 0 }) } },
 })
-for (const name of ['readOverlapTargets', 'overlapTargetAt', 'pickDeviceMarkerAt']) {
+for (const name of ['readOverlapTargets', 'overlapTargetAt', 'pipelineSource', 'pickThroughPipelines', 'pickDeviceMarkerAt']) {
     vm.runInContext(extract(engine, name), pickContext)
 }
 check('projected selected-entry pick retains device and group identity', () => {