diff --git a/frontend/src/api/backtest.ts b/frontend/src/api/backtest.ts
index c0a24d1..3275145 100644
--- a/frontend/src/api/backtest.ts
+++ b/frontend/src/api/backtest.ts
@@ -19,6 +19,13 @@ export interface TaskStatus {
   task_id: string
   status: string
   stage: string
+  /** 因子分析心跳(仅 factor_ 任务运行中有值) */
+  progress?: {
+    stage: string
+    detail: string
+    ts: number
+    age: number
+  } | null
 }
 
 export interface EquityPoint {
diff --git a/frontend/src/composables/useTask.ts b/frontend/src/composables/useTask.ts
index b1cd6e5..5e0ef40 100644
--- a/frontend/src/composables/useTask.ts
+++ b/frontend/src/composables/useTask.ts
@@ -4,6 +4,14 @@ import { useAuthStore } from '@/stores/auth'
 
 export type TaskState = 'pending' | 'running' | 'done' | 'failed' | 'unknown'
 
+export interface TaskProgress {
+  stage: string
+  detail: string
+  ts: number
+  /** 距上次心跳秒数(后端算) */
+  age: number
+}
+
 /**
  * Track a task's status + stage via polling (2s) and WebSocket (real-time).
  * Auto-stops on unmount.
@@ -11,6 +19,7 @@ export type TaskState = 'pending' | 'running' | 'done' | 'failed' | 'unknown'
 export function useTask(taskId: string) {
   const status = ref<TaskState>('unknown')
   const stage = ref('')
+  const progress = ref<TaskProgress | null>(null)
   let timer: ReturnType<typeof setInterval> | null = null
   let ws: WebSocket | null = null
 
@@ -19,6 +28,7 @@ export function useTask(taskId: string) {
       const s = await getStatus(taskId)
       status.value = s.status as TaskState
       stage.value = s.stage
+      progress.value = (s as { progress?: TaskProgress | null }).progress ?? null
     } catch {
       /* transient — keep last known state */
     }
@@ -51,5 +61,5 @@ export function useTask(taskId: string) {
     if (ws) ws.close()
   })
 
-  return { status, stage, start }
+  return { status, stage, progress, start }
 }
diff --git a/frontend/src/views/backtest/Progress.vue b/frontend/src/views/backtest/Progress.vue
index 798bf51..983f44a 100644
--- a/frontend/src/views/backtest/Progress.vue
+++ b/frontend/src/views/backtest/Progress.vue
@@ -1,4 +1,12 @@
 <script setup lang="ts">
+/**
+ * 任务进度页(终端风重构,2026-08-30 用户反馈:因子分析分钟级运行,
+ * 进度条停着看不出是进行中还是死掉)。
+ *
+ * 因子任务核心=心跳:worker 跨进程写 progress 文件(stage/detail/ts),
+ * useTask 轮询透传 → 本页显示「最近活动 Xs 前 · detail」+ 运行时长,
+ * age 分档(绿/琥珀)告知活着 vs 长任务静默期。回测/优化走原 5 步推导。
+ */
 import { ref, computed, watch, onMounted, onUnmounted, nextTick } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { useTask } from '@/composables/useTask'
@@ -7,12 +15,16 @@ import { getLog } from '@/api/backtest'
 const route = useRoute()
 const router = useRouter()
 const taskId = String(route.params.id)
-const isFactor = computed(() => route.path.startsWith('/factor'))
+const isFactor = computed(() => route.path.startsWith('/factor') || taskId.startsWith('factor_'))
 const isOptimize = computed(() => taskId.startsWith('opt_'))
 
-const { status, stage, start } = useTask(taskId)
+const { status, stage, progress, start } = useTask(taskId)
 
-// 同时拉日志（3s）
+// —— 运行时长(本地秒表,页面挂载起) ——
+const elapsed = ref(0)
+let tickTimer: ReturnType<typeof setInterval> | null = null
+
+// —— 日志(3s) ——
 const logText = ref('')
 const logBox = ref<HTMLElement | null>(null)
 let logTimer: ReturnType<typeof setInterval> | null = null
@@ -31,9 +43,11 @@ onMounted(() => {
   start()
   void pullLog()
   logTimer = setInterval(pullLog, 3000)
+  tickTimer = setInterval(() => { elapsed.value++ }, 1000)
 })
 onUnmounted(() => {
   if (logTimer) clearInterval(logTimer)
+  if (tickTimer) clearInterval(tickTimer)
 })
 
 watch(status, (s) => {
@@ -48,9 +62,9 @@ watch(status, (s) => {
   }
 })
 
-// 步骤推导
+// —— 通用(回测/优化)步骤推导 ——
 interface Step { key: string; label: string }
-const steps: Step[] = [
+const btSteps: Step[] = [
   { key: 'submit', label: '任务提交' },
   { key: 'data', label: '数据加载' },
   { key: 'run', label: '回测执行' },
@@ -58,22 +72,18 @@ const steps: Step[] = [
   { key: 'done', label: '完成' },
 ]
 
-function stepState(idx: number): 'done' | 'active' | 'pending' {
+function btStepState(idx: number): 'done' | 'active' | 'pending' {
   const s = status.value
   if (s === 'done') return 'done'
-  if (s === 'failed') {
-    // 失败：当前进行到的步骤标 active(红)，之前标 done
-    return idx < currentIdx.value ? 'done' : idx === currentIdx.value ? 'active' : 'pending'
-  }
-  if (idx < currentIdx.value) return 'done'
-  if (idx === currentIdx.value) return 'active'
+  if (idx < btCurrentIdx.value) return 'done'
+  if (idx === btCurrentIdx.value) return 'active'
   return 'pending'
 }
 
-const currentIdx = computed(() => {
+const btCurrentIdx = computed(() => {
   const st = (stage.value || '').toLowerCase()
   const s = status.value
-  if (s === 'done') return steps.length - 1
+  if (s === 'done') return btSteps.length - 1
   if (s === 'pending' || s === 'unknown') return 0
   if (st.includes('metric') || st.includes('指标')) return 3
   if (st.includes('run') || st.includes('backtest') || st.includes('回测')) return 2
@@ -81,72 +91,158 @@ const currentIdx = computed(() => {
   return 1
 })
 
-const pct = computed(() => {
-  if (status.value === 'done') return 100
-  if (status.value === 'failed') return Math.round((currentIdx.value / (steps.length - 1)) * 100)
-  return Math.round((currentIdx.value / (steps.length - 1)) * 100)
+const btPct = computed(() => Math.round((btCurrentIdx.value / (btSteps.length - 1)) * 100))
+
+// —— 因子任务步骤(由心跳 stage 驱动) ——
+const fxSteps: Step[] = [
+  { key: 'data', label: '行情加载' },
+  { key: 'compute', label: '因子计算' },
+  { key: 'analyze', label: '逐因子分析' },
+  { key: 'done', label: '完成' },
+]
+
+const fxCurrentIdx = computed(() => {
+  const s = status.value
+  if (s === 'done') return fxSteps.length - 1
+  const ps = progress.value?.stage
+  if (ps === 'done') return 3
+  if (ps === 'analyze') return 2
+  if (ps === 'compute') return 1
+  if (ps === 'data') return 0
+  return 0 // 无心跳(排队/刚起步)
 })
 
+function fxStepState(idx: number): 'done' | 'active' | 'pending' {
+  if (status.value === 'done') return 'done'
+  if (idx < fxCurrentIdx.value) return 'done'
+  if (idx === fxCurrentIdx.value) return 'active'
+  return 'pending'
+}
+
+const fxPct = computed(() => Math.round((fxCurrentIdx.value / (fxSteps.length - 1)) * 100))
+
+// —— 心跳分档 ——
+const heartbeat = computed((): { level: 'ok' | 'slow' | 'stale' | 'none'; text: string } => {
+  if (status.value === 'done') return { level: 'ok', text: '已完成' }
+  if (status.value === 'failed') return { level: 'stale', text: '失败' }
+  if (status.value === 'pending') return { level: 'none', text: '排队中,等待 worker 接活' }
+  const p = progress.value
+  if (!p) return { level: 'none', text: '等待首个心跳(分析进程启动中)…' }
+  const a = p.age
+  if (a <= 30) return { level: 'ok', text: `${p.age}s 前 · ${p.detail}` }
+  if (a <= 180) return { level: 'slow', text: `${p.age}s 前 · ${p.detail}(大窗口因子计算静默期,仍在运行)` }
+  return { level: 'stale', text: `${p.age}s 无新进展 · ${p.detail}——仍在运行,超长可考虑缩小标的池/区间` }
+})
+
+function fmtElapsed(sec: number): string {
+  if (sec < 60) return `${sec}s`
+  const m = Math.floor(sec / 60)
+  if (m < 60) return `${m}m${sec % 60}s`
+  return `${Math.floor(m / 60)}h${m % 60}m`
+}
+
 const statusLabel: Record<string, string> = { running: '运行中', done: '完成', failed: '失败', pending: '排队中', unknown: '初始化' }
 const statusChipClass: Record<string, string> = { running: 'st-running', done: 'st-done', failed: 'st-failed', pending: 'st-pending', unknown: 'st-pending' }
+
+const pageTitle = computed(() => (isFactor.value ? '因子分析' : isOptimize.value ? '参数优化' : '回测'))
 </script>
 
 <template>
   <div class="page progress-page">
     <div class="page-head">
       <div>
-        <h2 class="page-title">{{ isFactor ? '因子分析' : isOptimize ? '参数优化' : '回测' }}进行中</h2>
+        <h2 class="page-title">{{ pageTitle }}进行中</h2>
         <p class="page-subtitle">任务 ID：<span class="mono">{{ taskId }}</span></p>
       </div>
       <span class="chip" :class="statusChipClass[status]">{{ statusLabel[status] }}</span>
     </div>
 
-    <!-- 进度条 -->
-    <el-card class="blk" shadow="never">
-      <el-progress
-        :percentage="pct"
-        :status="status === 'failed' ? 'exception' : status === 'done' ? 'success' : undefined"
-        :stroke-width="10"
-      />
-      <div class="stage-text muted">当前阶段：{{ stage || '—' }}</div>
-    </el-card>
-
-    <!-- 步骤时间线 -->
-    <el-card class="blk" shadow="never">
-      <template #header><span class="section-title">执行步骤</span></template>
-      <div class="timeline">
-        <div
-          v-for="(s, i) in steps" :key="s.key"
-          class="tl-node"
-          :class="[stepState(i), { failed: status === 'failed' && i === currentIdx }]"
-          :style="{ flex: i === steps.length - 1 ? '0 0 auto' : '1' }"
-        >
-          <div class="tl-dot">
-            <span v-if="stepState(i) === 'done'">✓</span>
-            <span v-else>{{ i + 1 }}</span>
-          </div>
-          <div class="tl-label">{{ s.label }}</div>
-          <div v-if="i < steps.length - 1" class="tl-bar" />
+    <!-- 心跳区(因子任务:判活核心) -->
+    <div v-if="isFactor" class="pane heartbeat" :class="`hb-${heartbeat.level}`">
+      <div class="beacon" :class="{ stopped: status === 'done' || status === 'failed' }" />
+      <div class="hb-main">
+        <div class="hb-text" :class="`t-${heartbeat.level}`">{{ heartbeat.text }}</div>
+        <div class="hb-sub">
+          已运行 <span class="mono">{{ fmtElapsed(elapsed) }}</span>
+          <span v-if="progress" class="dot">·</span>
+          <span v-if="progress" class="mono">step {{ progress.stage }}</span>
         </div>
       </div>
-    </el-card>
+      <div class="hb-pct mono">{{ fxPct }}<span class="pct-sign">%</span></div>
+    </div>
+
+    <!-- 步骤时间线 -->
+    <div class="pane">
+      <div class="ph"><span class="pt">{{ isFactor ? '分析步骤' : '执行步骤' }}</span><span class="tag">{{ isFactor ? '由 worker 心跳驱动' : '按阶段推导' }}</span></div>
+      <div class="pb">
+        <div class="timeline">
+          <div
+            v-for="(s, i) in (isFactor ? fxSteps : btSteps)" :key="s.key"
+            class="tl-node"
+            :class="[isFactor ? fxStepState(i) : btStepState(i), { failed: status === 'failed' && i === (isFactor ? fxCurrentIdx : btCurrentIdx) }]"
+            :style="{ flex: i === (isFactor ? fxSteps : btSteps).length - 1 ? '0 0 auto' : '1' }"
+          >
+            <div class="tl-dot">
+              <span v-if="(isFactor ? fxStepState(i) : btStepState(i)) === 'done'">✓</span>
+              <span v-else>{{ i + 1 }}</span>
+            </div>
+            <div class="tl-label">{{ s.label }}</div>
+            <div v-if="i < (isFactor ? fxSteps : btSteps).length - 1" class="tl-bar" />
+          </div>
+        </div>
+        <div v-if="!isFactor" class="pct-bar"><div class="pct-fill" :style="{ width: btPct + '%' }" /></div>
+      </div>
+    </div>
 
     <!-- 日志 -->
-    <el-card class="blk" shadow="never">
-      <template #header><span class="section-title">运行日志 <em class="muted">（每 3s 刷新）</em></span></template>
-      <div ref="logBox" class="log-box">
-        <pre v-if="logText">{{ logText }}</pre>
-        <span v-else class="muted">暂无日志输出…</span>
+    <div class="pane">
+      <div class="ph"><span class="pt">运行日志</span><span class="tag">每 3s 刷新</span></div>
+      <div class="pb">
+        <div ref="logBox" class="log-box">
+          <pre v-if="logText">{{ logText }}</pre>
+          <span v-else class="empty">暂无日志输出…</span>
+        </div>
       </div>
-    </el-card>
+    </div>
   </div>
 </template>
 
 <style scoped>
-.progress-page { display: flex; flex-direction: column; gap: 16px; }
-.blk { border: 1px solid var(--border-2); }
-.stage-text { margin-top: 10px; }
+.progress-page { display: flex; flex-direction: column; gap: 14px; }
 
+.pane { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-lg); min-width: 0; }
+.pane .ph { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border-2); flex-wrap: wrap; }
+.pane .pt { font-size: 12.5px; font-weight: 700; letter-spacing: .06em; }
+.pane .tag { font-family: var(--mono); font-size: 9.5px; color: var(--text-3); letter-spacing: .1em; }
+.pane .pb { padding: 14px; }
+
+/* ===== 心跳区 ===== */
+.heartbeat { display: flex; align-items: center; gap: 16px; padding: 16px 18px; }
+.beacon { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
+.hb-ok .beacon { background: var(--lamp-ok); animation: breathe 1.6s ease-in-out infinite; }
+.hb-slow .beacon { background: var(--lamp-warn); animation: breathe 3s ease-in-out infinite; }
+.hb-stale .beacon { background: var(--lamp-crit); animation: breathe 3s ease-in-out infinite; }
+.hb-none .beacon { background: var(--lamp-idle); }
+.beacon.stopped { animation: none; }
+.hb-ok .beacon { box-shadow: 0 0 10px rgba(46, 230, 138, .5); }
+.hb-slow .beacon, .hb-stale .beacon { box-shadow: 0 0 10px rgba(255, 176, 0, .4); }
+@media (prefers-reduced-motion: reduce) { .beacon { animation: none; } }
+@keyframes breathe {
+  0%, 100% { opacity: .35; }
+  50% { opacity: 1; }
+}
+.hb-main { flex: 1; min-width: 0; }
+.hb-text { font-family: var(--mono); font-size: 13px; }
+.t-ok { color: var(--down); }
+.t-slow { color: var(--amber); }
+.t-stale { color: var(--danger); }
+.t-none { color: var(--text-2); }
+.hb-sub { margin-top: 4px; font-family: var(--mono); font-size: 10.5px; color: var(--text-3); }
+.hb-sub .dot { margin: 0 6px; }
+.hb-pct { font-size: 30px; font-weight: 700; color: var(--brand); font-variant-numeric: tabular-nums; flex-shrink: 0; }
+.hb-pct .pct-sign { font-size: 14px; color: var(--text-3); }
+
+/* ===== 时间线 ===== */
 .timeline { display: flex; align-items: flex-start; }
 .tl-node { display: flex; flex-direction: column; align-items: center; position: relative; padding: 0 8px; }
 .tl-dot {
@@ -157,33 +253,22 @@ const statusChipClass: Record<string, string> = { running: 'st-running', done: '
   border: 1px solid var(--border-2);
   z-index: 1;
 }
-.tl-label { margin-top: 8px; font-size: 12px; color: var(--text-3); }
+.tl-label { margin-top: 8px; font-size: 12px; color: var(--text-3); white-space: nowrap; }
 .tl-bar { position: absolute; top: 13px; left: 50%; width: 100%; height: 2px; background: var(--border-2); z-index: 0; }
-
 .tl-node.done .tl-dot { background: var(--down); color: #fff; border-color: var(--down); }
 .tl-node.done .tl-label { color: var(--text); }
-.tl-node.done + .tl-node .tl-bar,
 .tl-node.done .tl-bar { background: var(--down); }
-.tl-node.active .tl-dot { background: var(--brand); color: #fff; border-color: var(--brand); }
+.tl-node.done + .tl-node .tl-bar { background: var(--down); }
+.tl-node.active .tl-dot { background: var(--brand); color: #032027; border-color: var(--brand); }
 .tl-node.active .tl-label { color: var(--brand); }
-.tl-node.active.failed .tl-dot { background: var(--danger); border-color: var(--danger); }
+.tl-node.active.failed .tl-dot { background: var(--danger); border-color: var(--danger); color: #fff; }
 .tl-node.active.failed .tl-label { color: var(--danger); }
 
-.log-box {
-  background: var(--bg);
-  border: 1px solid var(--border-2);
-  border-radius: var(--r-sm);
-  padding: 12px;
-  max-height: 360px;
-  overflow: auto;
-}
-.log-box pre {
-  margin: 0;
-  font-family: var(--mono);
-  font-size: 12px;
-  line-height: 1.6;
-  color: var(--text-2);
-  white-space: pre-wrap;
-  word-break: break-all;
-}
+.pct-bar { margin-top: 14px; height: 4px; background: var(--border-2); border-radius: var(--r-sm); overflow: hidden; }
+.pct-fill { height: 100%; background: var(--brand); transition: width .4s ease; }
+
+/* ===== 日志 ===== */
+.log-box { background: var(--bg); border: 1px solid var(--border-2); border-radius: var(--r-sm); padding: 12px; max-height: 360px; overflow: auto; }
+.log-box pre { margin: 0; font-family: var(--mono); font-size: 12px; line-height: 1.6; color: var(--text-2); white-space: pre-wrap; word-break: break-all; }
+.empty { color: var(--text-3); font-size: 12px; }
 </style>
diff --git a/frontend/src/views/factor/FactorPicker.vue b/frontend/src/views/factor/FactorPicker.vue
index b20dedb..0a245ad 100644
--- a/frontend/src/views/factor/FactorPicker.vue
+++ b/frontend/src/views/factor/FactorPicker.vue
@@ -11,6 +11,16 @@ const emit = defineEmits<{ (e: 'update:modelValue', v: string[]): void }>()
 
 const q = ref('')
 const picked = ref<Set<string>>(new Set(props.modelValue))
+// 默认收起(1-2 行预览);搜索或点「展开全部」后放开
+const collapsed = ref(true)
+
+function toggleCollapse(): void {
+  collapsed.value = !collapsed.value
+}
+
+function onSearch(): void {
+  if (q.value.trim()) collapsed.value = false
+}
 
 const grouped = computed(() => {
   const map = new Map<string, FactorItem[]>()
@@ -68,11 +78,11 @@ defineExpose({ hydrate })
 <template>
   <div class="fp">
     <div class="searchrow">
-      <input v-model="q" type="text" spellcheck="false" placeholder="搜索因子名 / 类别，如 alpha16、KMID、alpha158 …">
+      <input v-model="q" type="text" spellcheck="false" placeholder="搜索因子名 / 类别，如 alpha16、KMID、alpha158 …" @input="onSearch">
       <span class="count">显示 {{ visibleCount() }} / {{ factors.length }}</span>
     </div>
 
-    <div class="groups">
+    <div class="groups" :class="{ collapsed }">
       <div v-for="g in grouped" :key="g.cat" class="grp">
         <div class="gh">
           <span class="cat-chip" :class="`cat-${g.cat}`">{{ g.cat }}</span>
@@ -87,6 +97,9 @@ defineExpose({ hydrate })
         </div>
       </div>
     </div>
+    <button type="button" class="foldbtn" @click="toggleCollapse">
+      {{ collapsed ? `展开全部 ${factors.length} 个因子 ▾` : '收起因子列表 ▴' }}
+    </button>
 
     <div class="picked">
       <span class="pk">已选 {{ picked.size }}</span>
@@ -109,6 +122,19 @@ defineExpose({ hydrate })
 .searchrow input:focus { outline: 1px solid rgba(0,229,255,.5); }
 .count { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); white-space: nowrap; }
 .groups { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
+/* 默认收起:两行分组预览(头部+两行 chips ≈ 128px);渐隐底边提示可展开 */
+.groups.collapsed { max-height: 128px; overflow: hidden; position: relative; }
+.groups.collapsed::after {
+  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 34px;
+  background: linear-gradient(transparent, var(--bg-card));
+  pointer-events: none;
+}
+.foldbtn {
+  font-family: var(--mono); font-size: 10.5px; padding: 4px 12px; margin: 8px 0 0;
+  border-radius: var(--r-sm); border: 1px dashed var(--border); background: transparent;
+  color: var(--text-2); cursor: pointer; transition: all .12s ease;
+}
+.foldbtn:hover { color: var(--brand); border-color: rgba(0, 229, 255, .4); }
 @media (max-width: 980px) { .groups { grid-template-columns: 1fr; } }
 .grp .gh { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
 .grp .gc { font-family: var(--mono); font-size: 10px; color: var(--text-3); }
diff --git a/sanguo_api/routes.py b/sanguo_api/routes.py
index f8f2143..54cd753 100644
--- a/sanguo_api/routes.py
+++ b/sanguo_api/routes.py
@@ -190,9 +190,34 @@ def get_status(task_id: str):
         "status": s.value if hasattr(s, "value") else str(s),
         "stage": stage or "",
         "error_msg": task.error_msg if (task and isinstance(task.error_msg, str)) else None,
+        # 因子分析心跳:worker 跨进程写 {output_dir}/{tid}.progress(stage/detail/ts),
+        # 此处读出并算 age(距上次活动秒数)——前端显示"Xs 前 · detail"判活
+        "progress": _read_factor_progress(task_id),
     }
 
 
+_FACTOR_PROGRESS_DIR = "/tmp/factor"  # 因子分析 output_dir(analyzer 心跳文件所在,测试可 patch)
+
+
+def _read_factor_progress(task_id: str) -> dict | None:
+    """读因子任务进度心跳文件(不存在/损坏返 None,不影响 status 主链路)."""
+    if not task_id.startswith("factor_"):
+        return None
+    try:
+        import json as _json
+        import time as _time
+
+        p = os.path.join(_FACTOR_PROGRESS_DIR, f"{task_id}.progress")
+        if not os.path.exists(p):
+            return None
+        with open(p, encoding="utf-8") as f:
+            d = _json.load(f)
+        d["age"] = round(_time.time() - float(d.get("ts") or 0), 1)
+        return d
+    except Exception:
+        return None
+
+
 @router.get("/task/{task_id}/result", dependencies=[Depends(verify_token)])
 def get_result(task_id: str):
     """Get task result"""
diff --git a/sanguo_factor/analyzer.py b/sanguo_factor/analyzer.py
index 2ce3fd0..1d98a25 100644
--- a/sanguo_factor/analyzer.py
+++ b/sanguo_factor/analyzer.py
@@ -60,6 +60,22 @@ class FactorReport:
     end: str = ""
 
 
+def _report_progress(task_id: str, output_dir: str, stage: str, detail: str) -> None:
+    """跨进程进度心跳:worker 写 {output_dir}/{task_id}.progress,
+    GET /task/{id} 读它合并返回(前端显示"最近活动 Xs 前 · detail")。
+    失败静默——进度是可观测性锦上添花,不能影响分析主流程。"""
+    if not task_id:
+        return
+    try:
+        import json as _j
+        import time as _t
+        p = os.path.join(output_dir, f"{task_id}.progress")
+        with open(p, "w", encoding="utf-8") as f:
+            f.write(_j.dumps({"stage": stage, "detail": detail, "ts": _t.time()}))
+    except Exception:
+        pass
+
+
 def run_factor_analysis(
     symbols: list[str],
     factor_names: list[str],
@@ -67,7 +83,8 @@ def run_factor_analysis(
     end: str,
     cfg,
     output_dir: str,
-    periods: tuple = (1, 5, 10)
+    periods: tuple = (1, 5, 10),
+    task_id: str = "",
 ) -> FactorReport:
     """
     Run factor analysis using AlphaLabSession and alphalens.
@@ -131,7 +148,10 @@ def run_factor_analysis(
 
     # Create AlphaLab session and load symbols
     session = AlphaLabSession(lab_path=output_dir)
-    session.load_symbols(symbols, start, end, cfg)
+    # 逐只加载 + 心跳(分钟级任务的可观测性:行情加载 i/N)
+    for _i, _sym in enumerate(symbols, 1):
+        _report_progress(task_id, output_dir, "data", f"行情加载 {_i}/{len(symbols)}: {_sym}")
+        session.load_symbols([_sym], start, end, cfg)
 
     # Calculate period split (simple deterministic split)
     from datetime import datetime
@@ -146,6 +166,7 @@ def run_factor_analysis(
     test_period = (mid_point.strftime("%Y-%m-%d"), end)
 
     # Compute factors using AlphaLabSession
+    _report_progress(task_id, output_dir, "compute", f"计算因子特征: {', '.join(factor_names)}")
     factor_df = session.compute_factors(factor_names, train_period, valid_period, test_period)
 
     # Load close prices separately for tears computation
@@ -186,7 +207,8 @@ def run_factor_analysis(
     tears_paths = {}
 
     # Process each factor
-    for factor_name in factor_names:
+    for _fi, factor_name in enumerate(factor_names, 1):
+        _report_progress(task_id, output_dir, "analyze", f"因子 {_fi}/{len(factor_names)}: {factor_name}")
         try:
             # Convert polars DataFrame to pandas for alphalens
             factor_pd = factor_df.to_pandas()
@@ -311,6 +333,7 @@ def run_factor_analysis(
                 with open(tears_path, "w", encoding="utf-8") as _tf:
                     _json.dump(tears, _tf, ensure_ascii=False)
                 tears_paths[factor_name] = tears_path
+                _report_progress(task_id, output_dir, "analyze", f"因子 {_fi}/{len(factor_names)}: {factor_name} tears ✓")
             except Exception as tears_json_e:
                 ic_summary[factor_name]["tears_json_error"] = (
                     f"{type(tears_json_e).__name__}: {tears_json_e}"
@@ -394,6 +417,7 @@ def run_factor_analysis(
                 "traceback": traceback.format_exc()
             }
 
+    _report_progress(task_id, output_dir, "done", "分析完成")
     return FactorReport(
         factor_names=factor_names,
         output_dir=output_dir,
diff --git a/sanguo_orchestrator/runner.py b/sanguo_orchestrator/runner.py
index ac8a74a..4c25964 100644
--- a/sanguo_orchestrator/runner.py
+++ b/sanguo_orchestrator/runner.py
@@ -128,7 +128,7 @@ class Orchestrator:
         spec = self._pending[task_id]
         fut: Future = self.pool.submit_work(
             task_id, _factor_worker, spec["symbols"], spec["factor_names"],
-            spec["start"], spec["end"], spec["cfg"], spec["output_dir"]
+            spec["start"], spec["end"], spec["cfg"], spec["output_dir"], task_id
         )
 
         task = self.pool.get_task(task_id)
@@ -382,10 +382,10 @@ def _opt_worker(strategy_class, symbol: str, grid: dict, start: str, end: str, c
     return run_cta_optimization(strategy_class, symbol, grid, start, end, cfg, db_path, task_id=task_id)
 
 
-def _factor_worker(symbols: list, factor_names: list, start: str, end: str, cfg, output_dir: str) -> any:
+def _factor_worker(symbols: list, factor_names: list, start: str, end: str, cfg, output_dir: str, task_id: str = "") -> any:
     """Worker for factor analysis (lazy import, spawn-friendly)"""
     from sanguo_factor.analyzer import run_factor_analysis
-    return run_factor_analysis(symbols, factor_names, start, end, cfg, output_dir)
+    return run_factor_analysis(symbols, factor_names, start, end, cfg, output_dir, task_id=task_id)
 
 
 def _portfolio_worker(spec: dict) -> any:
diff --git a/tests/api/test_factor_routes.py b/tests/api/test_factor_routes.py
index 76e0ef1..2504bc3 100644
--- a/tests/api/test_factor_routes.py
+++ b/tests/api/test_factor_routes.py
@@ -130,3 +130,30 @@ def test_universe_pool_and_search(client, token, monkeypatch):
     assert r2.status_code == 200 and r2.json() == []
     r3 = client.get("/api/v1/factor/universe/search", params={"q": "茅台"}, headers=h)
     assert r3.status_code == 200 and len(r3.json()) == 1
+
+
+# —— 因子进度心跳(_read_factor_progress) ——
+
+def test_read_factor_progress_roundtrip(tmp_path, monkeypatch):
+    import json, time
+    from sanguo_api import routes as rt
+
+    p = tmp_path / "factor_abc.progress"
+    p.write_text(json.dumps({"stage": "analyze", "detail": "因子 1/2", "ts": time.time() - 5}),
+                 encoding="utf-8")
+    monkeypatch.setattr(rt, "_FACTOR_PROGRESS_DIR", str(tmp_path))
+    d = rt._read_factor_progress("factor_abc")
+    assert d is not None and d["stage"] == "analyze" and 4 <= d["age"] <= 15
+
+
+def test_read_factor_progress_bad_input(tmp_path, monkeypatch):
+    from sanguo_api import routes as rt
+
+    # 非 factor 任务恒 None
+    assert rt._read_factor_progress("cta_123") is None
+    monkeypatch.setattr(rt, "_FACTOR_PROGRESS_DIR", str(tmp_path))
+    # 文件不存在 → None
+    assert rt._read_factor_progress("factor_missing") is None
+    # 损坏 JSON → None(不影响 status 主链路)
+    (tmp_path / "factor_bad.progress").write_text("{not json", encoding="utf-8")
+    assert rt._read_factor_progress("factor_bad") is None
diff --git a/tests/factor/test_analyzer.py b/tests/factor/test_analyzer.py
index da6aae6..d59fff4 100644
--- a/tests/factor/test_analyzer.py
+++ b/tests/factor/test_analyzer.py
@@ -376,3 +376,28 @@ def test_run_factor_analysis_ic_extraction_fails_gracefully(tmp_path):
         assert "error" in report.ic_summary["ma5"]["ic"]
         # Status and report should still be present
         assert "status" in report.ic_summary["ma5"]
+
+
+# —— 跨进程进度心跳(2026-08-30:progress 页判活) ——
+
+def test_report_progress_writes_file(tmp_path):
+    """task_id 空=不写;正常写 JSON(stage/detail/ts)."""
+    import json
+    from sanguo_factor.analyzer import _report_progress
+
+    _report_progress("", str(tmp_path), "data", "不应写入")
+    assert not (tmp_path / ".progress").exists()
+
+    _report_progress("factor_ab12", str(tmp_path), "analyze", "因子 2/5: kmid")
+    d = json.loads((tmp_path / "factor_ab12.progress").read_text(encoding="utf-8"))
+    assert d["stage"] == "analyze"
+    assert d["detail"] == "因子 2/5: kmid"
+    assert d["ts"] > 0
+
+
+def test_report_progress_never_raises(tmp_path, monkeypatch):
+    """进度是锦上添花:IO 故障必须静默(不影响分析主流程)."""
+    from sanguo_factor.analyzer import _report_progress
+
+    monkeypatch.setattr("builtins.open", lambda *a, **k: (_ for _ in ()).throw(OSError("boom")))
+    _report_progress("factor_x", str(tmp_path), "data", "x")  # 不抛即过