diff --git a/web/core/styles.css b/web/core/styles.css
index caa41d7..5025bcc 100644
--- a/web/core/styles.css
+++ b/web/core/styles.css
@@ -143,6 +143,31 @@ body {
 
 .grid-app-config .panel.app-config-main { grid-column: 1; grid-row: 1; }
 
+.unit-config-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
+  gap: 8px;
+  padding: 8px;
+  align-content: start;
+}
+
+.unit-config-list .unit-card {
+  border: 1px solid var(--border);
+  border-radius: 4px;
+  padding: 10px;
+}
+
+.unit-config-list .unit-card .unit-equipment-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 4px;
+  padding-top: 4px;
+}
+
+.unit-config-list .unit-card .unit-equipment-tags .badge {
+  font-size: 12px;
+}
+
 /* config view slot assignments */
 .grid-config .panel.top-left    { grid-column: 1; grid-row: 1; }
 .grid-config .panel.top-right   { grid-column: 2 / 4; grid-row: 1; }
diff --git a/web/feeder/index.html b/web/feeder/index.html
index 0412de8..d4ea2c7 100644
--- a/web/feeder/index.html
+++ b/web/feeder/index.html
@@ -22,6 +22,20 @@
 
   <div data-partial="/ui/html/modals.html"></div>
   <div data-partial="/ui/html/unit-modal.html"></div>
+
+  <div class="modal hidden" id="unitEquipmentModal">
+    <div class="modal-content modal-sm">
+      <div class="modal-head">
+        <h3>选择设备</h3>
+        <button class="secondary" id="closeUnitEquipmentModal">X</button>
+      </div>
+      <div class="list" id="unitEquipmentList" style="max-height:400px;overflow:auto"></div>
+      <div class="form-actions" style="padding:10px">
+        <button type="button" class="secondary" id="cancelUnitEquipment">取消</button>
+        <button type="button" id="confirmUnitEquipment">确认绑定</button>
+      </div>
+    </div>
+  </div>
   <div data-partial="/ui/html/api-doc-drawer.html"></div>
 
   <script type="module" src="/ui/js/index.js?v=20260325f"></script>
diff --git a/web/feeder/js/app.js b/web/feeder/js/app.js
index dc6b147..c7df84a 100644
--- a/web/feeder/js/app.js
+++ b/web/feeder/js/app.js
@@ -32,7 +32,7 @@ import {
 } from "./points.js";
 import { state } from "./state.js";
 import { loadSources, saveSource } from "./sources.js";
-import { closeUnitModal, loadUnits, openCreateUnitModal, resetUnitForm, renderUnits, saveUnit } from "./units.js";
+import { bindUnitEquipmentModalEvents, closeUnitModal, loadUnits, openCreateUnitModal, resetUnitForm, renderUnits, saveUnit } from "./units.js";
 
 let _configLoaded = false;
 let _appConfigLoaded = false;
@@ -83,7 +83,7 @@ function switchView(view) {
   if (view === "app-config") {
     if (!_appConfigLoaded) {
       _appConfigLoaded = true;
-      withStatus(loadUnits());
+      withStatus(Promise.all([loadUnits(), loadEquipments()]));
     }
   }
 }
@@ -185,6 +185,7 @@ function bindEvents() {
 
   dom.refreshUnitBtn2.addEventListener("click", () => withStatus(loadUnits().then(loadEvents)));
   dom.newUnitBtn2.addEventListener("click", openCreateUnitModal);
+  bindUnitEquipmentModalEvents();
 
   document.addEventListener("equipments-updated", () => {
     renderUnits();
diff --git a/web/feeder/js/dom.js b/web/feeder/js/dom.js
index 633f5ed..7f22f17 100644
--- a/web/feeder/js/dom.js
+++ b/web/feeder/js/dom.js
@@ -69,6 +69,11 @@ export const dom = {
   refreshUnitBtn2: byId("refreshUnitBtn2"),
   newUnitBtn2: byId("newUnitBtn2"),
   unitConfigList: byId("unitConfigList"),
+  unitEquipmentModal: byId("unitEquipmentModal"),
+  unitEquipmentList: byId("unitEquipmentList"),
+  closeUnitEquipmentModalBtn: byId("closeUnitEquipmentModal"),
+  cancelUnitEquipmentBtn: byId("cancelUnitEquipment"),
+  confirmUnitEquipmentBtn: byId("confirmUnitEquipment"),
   closeUnitModalBtn: byId("closeUnitModal"),
   closeEquipmentModalBtn: byId("closeEquipmentModal"),
   refreshEventBtn: byId("refreshEventBtn"),
diff --git a/web/feeder/js/units.js b/web/feeder/js/units.js
index 30006bb..ebec9a0 100644
--- a/web/feeder/js/units.js
+++ b/web/feeder/js/units.js
@@ -1,16 +1,26 @@
-import { apiFetch } from "./api.js";
+import { apiFetch, withStatus } from "./api.js";
 import { dom } from "./dom.js";
 import { loadEvents } from "./events.js";
-import { renderEquipments } from "./equipment.js";
+import { loadEquipments, renderEquipments } from "./equipment.js";
 import { state } from "./state.js";
 
+function equipmentOf(item) {
+  return item && item.equipment ? item.equipment : item;
+}
+
 function equipmentCount(unitId) {
   return state.equipments.filter((item) => {
-    const equipment = item.equipment || item;
+    const equipment = equipmentOf(item);
     return equipment.unit_id === unitId;
   }).length;
 }
 
+function boundEquipments(unitId) {
+  return state.equipments
+    .map(equipmentOf)
+    .filter((e) => e.unit_id === unitId);
+}
+
 export function renderUnitOptions(selected = "", target = dom.equipmentUnitId, includeEmpty = true) {
   if (!target) {
     return;
@@ -97,11 +107,17 @@ function runtimeBadge(runtime) {
   return `<span class="badge ${cls}">${label}</span>`;
 }
 
-function buildUnitCard(unit, interactive) {
+function buildUnitCard(unit, mode) {
   const card = document.createElement("div");
-  const selected = interactive && state.selectedUnitId === unit.id;
+  const selected = mode === "interactive" && state.selectedUnitId === unit.id;
   card.className = `list-item unit-card ${selected ? "selected" : ""}`;
   const runtime = state.runtimes.get(unit.id);
+
+  const bound = boundEquipments(unit.id);
+  const equipTags = bound.length
+    ? bound.map((e) => `<span class="badge">${e.code}</span>`).join("")
+    : '<span class="muted">无设备</span>';
+
   card.innerHTML = `
     <div class="row">
       <strong>${unit.code}</strong>
@@ -109,12 +125,13 @@ function buildUnitCard(unit, interactive) {
       <span class="badge ${unit.enabled ? "" : "offline"}">${unit.enabled ? "EN" : "DIS"}</span>
     </div>
     <div>${unit.name}</div>
-    <div class="muted">设备 ${equipmentCount(unit.id)} 台 | Acc ${runtime ? Math.floor(runtime.display_acc_sec / 1000) : 0}s</div>
+    <div class="muted">设备 ${bound.length} 台 | Acc ${runtime ? Math.floor(runtime.display_acc_sec / 1000) : 0}s</div>
     <div class="muted">Run ${unit.run_time_sec}s / Stop ${unit.stop_time_sec}s / Acc ${unit.acc_time_sec}s / BL ${unit.bl_time_sec}s</div>
+    ${mode === "config" ? `<div class="unit-equipment-tags">${equipTags}</div>` : ""}
     <div class="row unit-card-actions"></div>
   `;
 
-  if (interactive) {
+  if (mode === "interactive") {
     card.addEventListener("click", () => {
       selectUnit(unit.id).catch((error) => {
         dom.statusText.textContent = error.message;
@@ -144,6 +161,17 @@ function buildUnitCard(unit, interactive) {
 
   actions.append(editBtn, deleteBtn);
 
+  if (mode === "config") {
+    const selectEquipBtn = document.createElement("button");
+    selectEquipBtn.className = "secondary";
+    selectEquipBtn.textContent = "选择设备";
+    selectEquipBtn.addEventListener("click", (e) => {
+      e.stopPropagation();
+      openUnitEquipmentModal(unit);
+    });
+    actions.append(selectEquipBtn);
+  }
+
   const isAutoOn = runtime?.auto_enabled;
   const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required || runtime?.rem_local);
   const autoBtn = document.createElement("button");
@@ -178,7 +206,7 @@ function buildUnitCard(unit, interactive) {
   return card;
 }
 
-function renderToContainer(container, interactive) {
+function renderToContainer(container, mode) {
   if (!container) return;
   container.innerHTML = "";
 
@@ -188,13 +216,13 @@ function renderToContainer(container, interactive) {
   }
 
   state.units.forEach((unit) => {
-    container.appendChild(buildUnitCard(unit, interactive));
+    container.appendChild(buildUnitCard(unit, mode));
   });
 }
 
 export function renderUnits() {
-  renderToContainer(dom.unitList, true);
-  renderToContainer(dom.unitConfigList, false);
+  renderToContainer(dom.unitList, "interactive");
+  renderToContainer(dom.unitConfigList, "config");
 }
 
 export async function loadUnits() {
@@ -257,3 +285,71 @@ export async function deleteUnit(unitId) {
   renderEquipments();
   await loadEvents();
 }
+
+// ── Unit Equipment Selection Modal ──
+
+let _unitEquipmentTargetId = null;
+const _unitEquipmentSelected = new Set();
+
+function openUnitEquipmentModal(unit) {
+  _unitEquipmentTargetId = unit.id;
+  _unitEquipmentSelected.clear();
+
+  const allEquipments = state.equipments.map(equipmentOf);
+  const bound = new Set(boundEquipments(unit.id).map((e) => e.id));
+  bound.forEach((id) => _unitEquipmentSelected.add(id));
+
+  dom.unitEquipmentList.innerHTML = "";
+  allEquipments.forEach((e) => {
+    const row = document.createElement("label");
+    row.className = "list-item";
+    row.style.cssText = "display:flex;align-items:center;gap:8px;cursor:pointer;padding:6px 10px";
+    const checked = bound.has(e.id) ? "checked" : "";
+    row.innerHTML = `<input type="checkbox" data-equip-id="${e.id}" ${checked} /> <span>${e.code} / ${e.name}</span>`;
+    row.querySelector("input").addEventListener("change", (ev) => {
+      if (ev.target.checked) _unitEquipmentSelected.add(e.id);
+      else _unitEquipmentSelected.delete(e.id);
+    });
+    dom.unitEquipmentList.appendChild(row);
+  });
+
+  dom.unitEquipmentModal.classList.remove("hidden");
+}
+
+function closeUnitEquipmentModal() {
+  dom.unitEquipmentModal.classList.add("hidden");
+  _unitEquipmentTargetId = null;
+}
+
+async function confirmUnitEquipment() {
+  if (!_unitEquipmentTargetId) return;
+
+  const previouslyBound = new Set(boundEquipments(_unitEquipmentTargetId).map((e) => e.id));
+
+  const toBind = [..._unitEquipmentSelected].filter((id) => !previouslyBound.has(id));
+  const toUnbind = [...previouslyBound].filter((id) => !_unitEquipmentSelected.has(id));
+
+  if (toBind.length > 0) {
+    await apiFetch("/api/equipment/batch/set-unit", {
+      method: "PUT",
+      body: JSON.stringify({ equipment_ids: toBind, unit_id: _unitEquipmentTargetId }),
+    });
+  }
+
+  if (toUnbind.length > 0) {
+    await apiFetch("/api/equipment/batch/set-unit", {
+      method: "PUT",
+      body: JSON.stringify({ equipment_ids: toUnbind, unit_id: null }),
+    });
+  }
+
+  closeUnitEquipmentModal();
+  await loadEquipments();
+  await loadUnits();
+}
+
+export function bindUnitEquipmentModalEvents() {
+  dom.closeUnitEquipmentModalBtn.addEventListener("click", closeUnitEquipmentModal);
+  dom.cancelUnitEquipmentBtn.addEventListener("click", closeUnitEquipmentModal);
+  dom.confirmUnitEquipmentBtn.addEventListener("click", () => withStatus(confirmUnitEquipment()));
+}