diff --git a/web/core/html/modals.html b/web/core/html/modals.html
index 79245f9..71c52c9 100644
--- a/web/core/html/modals.html
+++ b/web/core/html/modals.html
@@ -38,7 +38,7 @@
     </div>
     <div class="toolbar">
       <select id="pointSourceSelect"></select>
-      <div class="muted" id="pointSourceNodeCount">Nodes: 0</div>
+      <div class="muted" id="pointSourceNodeCount">节点: 0</div>
       <button id="browseNodes">加载节点</button>
       <button class="secondary" id="refreshTree">刷新树</button>
     </div>
diff --git a/web/feeder/html/modals.html b/web/feeder/html/modals.html
index ee282ba..3f058c4 100644
--- a/web/feeder/html/modals.html
+++ b/web/feeder/html/modals.html
@@ -42,7 +42,7 @@
     </div>
     <div class="toolbar">
       <select id="pointSourceSelect"></select>
-      <div class="muted" id="pointSourceNodeCount">Nodes: 0</div>
+      <div class="muted" id="pointSourceNodeCount">节点: 0</div>
       <button id="browseNodes">加载节点</button>
       <button class="secondary" id="refreshTree">刷新树</button>
     </div>
diff --git a/web/feeder/js/app.js b/web/feeder/js/app.js
index 55f4208..fb6d762 100644
--- a/web/feeder/js/app.js
+++ b/web/feeder/js/app.js
@@ -105,8 +105,8 @@ function bindEvents() {
   dom.closeEquipmentModalBtn.addEventListener("click", closeEquipmentModal);
   dom.openPointModalBtn.addEventListener("click", openPointCreateModal);
   dom.pointSourceSelect.addEventListener("change", () => {
-    dom.nodeTree.innerHTML = '<div class="muted">Click "Load Nodes" to fetch node tree</div>';
-    dom.pointSourceNodeCount.textContent = "Nodes: 0";
+    dom.nodeTree.innerHTML = '<div class="muted">点击"加载节点"获取节点树</div>';
+    dom.pointSourceNodeCount.textContent = "节点: 0";
   });
   dom.browseNodesBtn.addEventListener("click", () => withStatus(browseAndLoadTree()));
   dom.refreshTreeBtn.addEventListener("click", () => withStatus(loadTree()));
diff --git a/web/feeder/js/chart.js b/web/feeder/js/chart.js
index 111d631..c19f8fe 100644
--- a/web/feeder/js/chart.js
+++ b/web/feeder/js/chart.js
@@ -52,8 +52,8 @@ function formatTimeLabel(timestamp) {
 
 export async function openChart(pointId, pointName) {
   state.chartPointId = pointId;
-  state.chartPointName = pointName || "Point";
-  dom.chartTitle.textContent = `${state.chartPointName} Chart`;
+  state.chartPointName = pointName || "点位";
+  dom.chartTitle.textContent = `${state.chartPointName} 趋势图`;
 
   const items = await apiFetch(`/api/point/${pointId}/history?limit=120`);
   state.chartData = (items || [])
@@ -99,8 +99,8 @@ export function renderChart() {
   if (!state.chartData.length) {
     ctx.fillStyle = "#94a3b8";
     ctx.font = "14px Segoe UI";
-    ctx.fillText("Click a point row to view its chart", 24, 40);
-    dom.chartSummary.textContent = "Click a point row to view its chart";
+    ctx.fillText("点击点位行查看图表", 24, 40);
+    dom.chartSummary.textContent = "点击点位行查看图表";
     return;
   }
 
@@ -158,9 +158,9 @@ export function renderChart() {
   ctx.translate(16, padding.top + plotHeight / 2);
   ctx.rotate(-Math.PI / 2);
   ctx.fillStyle = "#64748b";
-  ctx.fillText("Value", 0, 0);
+  ctx.fillText("数值", 0, 0);
   ctx.restore();
-  ctx.fillText("Time", width / 2 - 12, height - 28);
+  ctx.fillText("时间", width / 2 - 12, height - 28);
 
   ctx.strokeStyle = "#2563eb";
   ctx.lineWidth = 2;
diff --git a/web/feeder/js/equipment.js b/web/feeder/js/equipment.js
index 7f1bfaa..4464868 100644
--- a/web/feeder/js/equipment.js
+++ b/web/feeder/js/equipment.js
@@ -41,7 +41,7 @@ function renderEquipmentUnitOptions(selected = "", target = dom.equipmentUnitId)
 }
 
 export function renderBindingEquipmentOptions(selected = "", target = dom.bindingEquipmentId) {
-  const options = ['<option value="">Unbound</option>'];
+  const options = ['<option value="">未绑定</option>'];
   filteredEquipments().forEach((item) => {
     const equipment = equipmentOf(item);
     const isSelected = equipment.id === selected ? "selected" : "";
@@ -112,7 +112,7 @@ export function renderEquipments() {
 
   const items = filteredEquipments();
   if (!items.length) {
-    dom.equipmentList.innerHTML = '<div class="list-item"><div class="muted">No equipment</div></div>';
+    dom.equipmentList.innerHTML = '<div class="list-item"><div class="muted">暂无设备</div></div>';
     return;
   }
 
@@ -126,7 +126,7 @@ export function renderEquipments() {
         <span class="badge">${item.point_count ?? 0} pts</span>
       </div>
       <div>${equipment.name}</div>
-      <div class="muted">${equipment.kind || "No type"}</div>
+      <div class="muted">${equipment.kind || "未分类"}</div>
       <div class="muted">单元: ${currentUnitLabel(equipment.unit_id)}</div>
       <div class="row equipment-card-actions"></div>
     `;
@@ -141,7 +141,7 @@ export function renderEquipments() {
 
     const editBtn = document.createElement("button");
     editBtn.className = "secondary";
-    editBtn.textContent = "Edit";
+    editBtn.textContent = "编辑";
     editBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       openEditEquipmentModal(equipment);
@@ -149,7 +149,7 @@ export function renderEquipments() {
 
     const deleteBtn = document.createElement("button");
     deleteBtn.className = "danger";
-    deleteBtn.textContent = "Delete";
+    deleteBtn.textContent = "删除";
     deleteBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       deleteEquipment(equipment.id).catch((error) => {
@@ -218,7 +218,7 @@ export async function saveEquipment(event) {
 }
 
 export async function deleteEquipment(equipmentId) {
-  if (!window.confirm("Delete this equipment?")) {
+  if (!window.confirm("确认删除该设备？")) {
     return;
   }
 
diff --git a/web/feeder/js/ops.js b/web/feeder/js/ops.js
index 83fe9b4..ec468d2 100644
--- a/web/feeder/js/ops.js
+++ b/web/feeder/js/ops.js
@@ -58,7 +58,7 @@ export function renderOpsUnits() {
     const startBlocked = !isAutoOn && (runtime?.fault_locked || runtime?.manual_ack_required || runtime?.rem_local);
     const autoBtn = document.createElement("button");
     autoBtn.className = isAutoOn ? "danger" : "secondary";
-    autoBtn.textContent = isAutoOn ? "Stop Auto" : "Start Auto";
+    autoBtn.textContent = isAutoOn ? "停止自动" : "启动自动";
     autoBtn.disabled = startBlocked;
     autoBtn.title = startBlocked
       ? (runtime?.fault_locked ? "设备故障中，无法启动自动控制"
@@ -75,7 +75,7 @@ export function renderOpsUnits() {
     if (runtime?.manual_ack_required) {
       const ackBtn = document.createElement("button");
       ackBtn.className = "danger";
-      ackBtn.textContent = "Ack Fault";
+      ackBtn.textContent = "故障确认";
       ackBtn.title = "人工确认解除故障锁定";
       ackBtn.addEventListener("click", (e) => {
         e.stopPropagation();
@@ -153,13 +153,13 @@ function renderOpsEquipments(equipments) {
 
       const startBtn = document.createElement("button");
       startBtn.className = "secondary";
-      startBtn.textContent = "Start";
+      startBtn.textContent = "启动";
       startBtn.addEventListener("click", () =>
         apiFetch(`/api/control/equipment/${eq.id}/start`, { method: "POST" }).catch(() => {})
       );
       const stopBtn = document.createElement("button");
       stopBtn.className = "danger";
-      stopBtn.textContent = "Stop";
+      stopBtn.textContent = "停止";
       stopBtn.addEventListener("click", () =>
         apiFetch(`/api/control/equipment/${eq.id}/stop`, { method: "POST" }).catch(() => {})
       );
diff --git a/web/feeder/js/points.js b/web/feeder/js/points.js
index 621c191..e09a9ac 100644
--- a/web/feeder/js/points.js
+++ b/web/feeder/js/points.js
@@ -11,7 +11,7 @@ import { state } from "./state.js";
 
 function updatePointSourceNodeCount() {
   const count = dom.nodeTree.querySelectorAll("details").length;
-  dom.pointSourceNodeCount.textContent = `Nodes: ${count}`;
+  dom.pointSourceNodeCount.textContent = `节点: ${count}`;
 }
 
 export function formatValue(monitor) {
@@ -28,13 +28,13 @@ export function formatValue(monitor) {
 }
 
 export function renderSelectedNodes() {
-  dom.selectedCount.textContent = `Selected ${state.selectedNodeIds.size} nodes`;
+  dom.selectedCount.textContent = `已选中 ${state.selectedNodeIds.size} 个节点`;
 }
 
 export function updateSelectedPointSummary() {
   const count = state.selectedPointIds.size;
-  dom.selectedPointCount.textContent = `Selected ${count} points`;
-  dom.batchBindingSummary.textContent = `Selected ${count} points`;
+  dom.selectedPointCount.textContent = `已选中 ${count} 个点位`;
+  dom.batchBindingSummary.textContent = `已选中 ${count} 个点位`;
   dom.openBatchBindingBtn.disabled = count === 0;
 }
 
@@ -42,16 +42,16 @@ export function updatePointFilterSummary() {
   const filters = [];
   if (state.selectedEquipmentId) {
     const equipment = state.equipmentMap.get(state.selectedEquipmentId);
-    filters.push(`Equipment:${equipment?.name || equipment?.code || "Unknown"}`);
+    filters.push(`设备:${equipment?.name || equipment?.code || "未知"}`);
   }
   if (state.selectedSourceId) {
     const source = state.sources.find((item) => item.id === state.selectedSourceId);
-    filters.push(`Source:${source?.name || "Unknown"}`);
+    filters.push(`数据源:${source?.name || "未知"}`);
   }
 
   dom.pointFilterSummary.textContent = filters.length
-    ? `Current filter: ${filters.join(" / ")}`
-    : "Current filter: All points";
+    ? `当前筛选: ${filters.join(" / ")}`
+    : "当前筛选: 全部点位";
 }
 
 export function clearSelectedPoints() {
@@ -102,8 +102,8 @@ export function openPointCreateModal() {
   if (dom.pointSourceSelect) {
     dom.pointSourceSelect.value = state.selectedSourceId || "";
   }
-  dom.nodeTree.innerHTML = '<div class="muted">Select a source and load nodes</div>';
-  dom.pointSourceNodeCount.textContent = "Nodes: 0";
+  dom.nodeTree.innerHTML = '<div class="muted">选择数据源并加载节点</div>';
+  dom.pointSourceNodeCount.textContent = "节点: 0";
   state.selectedNodeIds.clear();
   renderSelectedNodes();
 }
@@ -111,8 +111,8 @@ export function openPointCreateModal() {
 export async function loadTree() {
   const sourceId = dom.pointSourceSelect.value || state.selectedSourceId;
   if (!sourceId) {
-    dom.nodeTree.innerHTML = '<div class="muted">Select a source</div>';
-    dom.pointSourceNodeCount.textContent = "Nodes: 0";
+    dom.nodeTree.innerHTML = '<div class="muted">请选择数据源</div>';
+    dom.pointSourceNodeCount.textContent = "节点: 0";
     return;
   }
 
@@ -126,7 +126,7 @@ export async function loadTree() {
 export async function browseAndLoadTree() {
   const sourceId = dom.pointSourceSelect.value || state.selectedSourceId;
   if (!sourceId) {
-    throw new Error("Select a source first");
+    throw new Error("请先选择数据源");
   }
 
   state.selectedSourceId = sourceId;
@@ -178,7 +178,7 @@ export async function loadPoints() {
   dom.pointList.innerHTML = "";
 
   if (!items.length) {
-    dom.pointList.innerHTML = '<tr><td colspan="7" class="empty-state">No points</td></tr>';
+    dom.pointList.innerHTML = '<tr><td colspan="7" class="empty-state">暂无点位</td></tr>';
     dom.pointsPageInfo.textContent = `${state.pointsPage} / 1`;
     clearSelectedPoints();
     updatePointFilterSummary();
@@ -207,7 +207,7 @@ export async function loadPoints() {
       <td><span class="badge quality-${(monitor?.quality || "unknown").toLowerCase()}">${(monitor?.quality || "unknown").toUpperCase()}</span></td>
       <td>
         <div class="point-meta">
-          <div>${equipment ? equipment.name : '<span class="muted">Unbound</span>'}</div>
+          <div>${equipment ? equipment.name : '<span class="muted">未绑定</span>'}</div>
           <div class="point-role">${point.signal_role || "--"}</div>
         </div>
       </td>
@@ -228,7 +228,7 @@ export async function loadPoints() {
     actionCell.className = "point-actions";
     const editBtn = document.createElement("button");
     editBtn.className = "secondary";
-    editBtn.textContent = "Edit";
+    editBtn.textContent = "编辑";
     editBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       openPointBinding(point);
@@ -236,7 +236,7 @@ export async function loadPoints() {
 
     const deleteBtn = document.createElement("button");
     deleteBtn.className = "danger";
-    deleteBtn.textContent = "Delete";
+    deleteBtn.textContent = "删除";
     deleteBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       deletePoint(point.id).catch((error) => {
@@ -270,14 +270,14 @@ export function openPointBinding(point) {
   dom.bindingPointName.disabled = false;
   const modalTitle = dom.pointBindingModal.querySelector("h3");
   if (modalTitle) {
-    modalTitle.textContent = "Edit Point";
+    modalTitle.textContent = "编辑点位";
   }
   if (dom.clearPointBindingBtn) {
-    dom.clearPointBindingBtn.textContent = "Clear Equipment";
+    dom.clearPointBindingBtn.textContent = "清除设备";
   }
   const saveButton = dom.pointBindingForm?.querySelector('button[type="submit"]');
   if (saveButton) {
-    saveButton.textContent = "Save";
+    saveButton.textContent = "保存";
   }
   renderBindingEquipmentOptions(point.equipment_id || "");
   dom.bindingSignalRole.innerHTML = renderRoleOptions(point.signal_role || "");
@@ -353,7 +353,7 @@ export async function clearBatchBinding() {
 }
 
 export async function deletePoint(pointId) {
-  if (!window.confirm("Delete this point?")) {
+  if (!window.confirm("确认删除该点位？")) {
     return;
   }
 
diff --git a/web/feeder/js/roles.js b/web/feeder/js/roles.js
index 83103ac..e2425c5 100644
--- a/web/feeder/js/roles.js
+++ b/web/feeder/js/roles.js
@@ -1,17 +1,17 @@
 export const SIGNAL_ROLE_OPTIONS = [
-  { value: "", label: "Unset" },
-  { value: "rem", label: "REM Remote Enable" },
-  { value: "run", label: "RUN Running" },
-  { value: "flt", label: "FLT Fault" },
-  { value: "ii", label: "II Current" },
-  { value: "start_cmd", label: "Start Command" },
-  { value: "stop_cmd", label: "Stop Command" },
+  { value: "", label: "未设置" },
+  { value: "rem", label: "REM 远程使能" },
+  { value: "run", label: "RUN 运行" },
+  { value: "flt", label: "FLT 故障" },
+  { value: "ii", label: "II 电流" },
+  { value: "start_cmd", label: "启动命令" },
+  { value: "stop_cmd", label: "停止命令" },
 ];
 
 export const EQUIPMENT_KIND_OPTIONS = [
-  { value: "", label: "Unset" },
-  { value: "coal_feeder", label: "Coal Feeder" },
-  { value: "distributor", label: "Distributor" },
+  { value: "", label: "未设置" },
+  { value: "coal_feeder", label: "投煤器" },
+  { value: "distributor", label: "布料机" },
 ];
 
 export function renderRoleOptions(selected = "") {
diff --git a/web/feeder/js/sources.js b/web/feeder/js/sources.js
index 2450b84..15bd75d 100644
--- a/web/feeder/js/sources.js
+++ b/web/feeder/js/sources.js
@@ -8,7 +8,7 @@ function renderPointSourceOptions() {
     return;
   }
 
-  const options = ['<option value="">Select source</option>'];
+  const options = ['<option value="">选择数据源</option>'];
   state.sources.forEach((source) => {
     const selected = source.id === state.selectedSourceId ? "selected" : "";
     options.push(`<option value="${source.id}" ${selected}>${source.name}</option>`);
@@ -41,7 +41,7 @@ export function renderSources() {
 
     const editBtn = document.createElement("button");
     editBtn.className = "secondary";
-    editBtn.textContent = "Edit";
+    editBtn.textContent = "编辑";
     editBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       dom.sourceId.value = source.id;
@@ -53,7 +53,7 @@ export function renderSources() {
 
     const reconnectBtn = document.createElement("button");
     reconnectBtn.className = "secondary";
-    reconnectBtn.textContent = "Reconnect";
+    reconnectBtn.textContent = "重连";
     reconnectBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       reconnectSource(source.id, source.name).catch((error) => {
@@ -63,7 +63,7 @@ export function renderSources() {
 
     const deleteBtn = document.createElement("button");
     deleteBtn.className = "danger";
-    deleteBtn.textContent = "Delete";
+    deleteBtn.textContent = "删除";
     deleteBtn.addEventListener("click", (event) => {
       event.stopPropagation();
       deleteSource(source.id).catch((error) => {
@@ -118,14 +118,14 @@ export async function saveSource(event) {
 }
 
 export async function reconnectSource(sourceId, name) {
-  dom.statusText.textContent = `Reconnecting ${name || "Source"}...`;
+  dom.statusText.textContent = `正在重连 ${name || "数据源"}...`;
   await apiFetch(`/api/source/${sourceId}/reconnect`, { method: "POST" });
   await loadSources();
-  dom.statusText.textContent = "Ready";
+  dom.statusText.textContent = "就绪";
 }
 
 export async function deleteSource(sourceId) {
-  if (!window.confirm("Delete this source?")) {
+  if (!window.confirm("确认删除该数据源？")) {
     return;
   }
 
diff --git a/web/feeder/js/units.js b/web/feeder/js/units.js
index 0ffb5dd..dcd8708 100644
--- a/web/feeder/js/units.js
+++ b/web/feeder/js/units.js
@@ -125,8 +125,8 @@ function buildUnitCard(unit, mode) {
       <span class="badge ${unit.enabled ? "" : "offline"}">${unit.enabled ? "EN" : "DIS"}</span>
     </div>
     <div>${unit.name}</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>
+    <div class="muted">设备 ${bound.length} 台 | 累计 ${runtime ? Math.floor(runtime.display_acc_sec / 1000) : 0}s</div>
+    <div class="muted">运行 ${unit.run_time_sec}s / 停止 ${unit.stop_time_sec}s / 累计 ${unit.acc_time_sec}s / 间隔 ${unit.bl_time_sec}s</div>
     ${mode === "config" ? `<div class="unit-equipment-tags">${equipTags}</div>` : ""}
     <div class="row unit-card-actions"></div>
   `;
@@ -143,7 +143,7 @@ function buildUnitCard(unit, mode) {
 
   const editBtn = document.createElement("button");
   editBtn.className = "secondary";
-  editBtn.textContent = "Edit";
+  editBtn.textContent = "编辑";
   editBtn.addEventListener("click", (event) => {
     event.stopPropagation();
     openEditUnitModal(unit);
@@ -151,7 +151,7 @@ function buildUnitCard(unit, mode) {
 
   const deleteBtn = document.createElement("button");
   deleteBtn.className = "danger";
-  deleteBtn.textContent = "Delete";
+  deleteBtn.textContent = "删除";
   deleteBtn.addEventListener("click", (event) => {
     event.stopPropagation();
     deleteUnit(unit.id).catch((error) => {
@@ -240,7 +240,7 @@ export async function saveUnit(event) {
 }
 
 export async function deleteUnit(unitId) {
-  if (!window.confirm("Delete this unit?")) {
+  if (!window.confirm("确认删除该单元？")) {
     return;
   }