diff --git a/backend/app/__init__.py b/backend/app/__init__.py
index 41ddb81..3a101e1 100644
--- a/backend/app/__init__.py
+++ b/backend/app/__init__.py
@@ -2,7 +2,7 @@
 
 import sys
 
-__version__ = "0.1.38"
+__version__ = "0.1.39"
 
 # Windows 默认 stdout/stderr 编码为 GBK(cp936),TickFlow SDK 内部输出含 emoji 的
 # 指数/标的名称(如 \U0001f193)时会抛 UnicodeEncodeError,导致请求失败。
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 83a6040..6b90017 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "tickflow-stock-panel-backend"
-version = "0.1.35"
+version = "0.1.39"
 description = "A 股选股 + 监控 + 回测面板 — TickFlow 适配"
 readme = "../README.md"
 requires-python = ">=3.11"
diff --git a/frontend/package.json b/frontend/package.json
index 28dd20b..c854f1a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "tickflow-stock-panel-frontend",
   "private": true,
-  "version": "0.1.38",
+  "version": "0.1.39",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/pages/Dashboard.tsx b/frontend/src/pages/Dashboard.tsx
index e8702cf..44fb5df 100644
--- a/frontend/src/pages/Dashboard.tsx
+++ b/frontend/src/pages/Dashboard.tsx
@@ -2,7 +2,7 @@ import { useState, type ReactNode } from 'react'
 import { Link } from 'react-router-dom'
 import { useQuery } from '@tanstack/react-query'
 import { motion } from 'framer-motion'
-import { Activity, ArrowDownRight, ArrowUpRight, BarChart3, BellRing, Database, Flame, Gauge, LineChart, Loader2, RefreshCw, Sparkles, Target, Timer, ExternalLink, Gift } from 'lucide-react'
+import { Activity, AlertTriangle, ArrowDownRight, ArrowUpRight, BarChart3, BellRing, Check, Copy, Flame, Gauge, LineChart, Loader2, RefreshCw, Sparkles, Target, Timer, ExternalLink } from 'lucide-react'
 import { DatePicker } from '@/components/DatePicker'
 import { api, type MarketSnapshotRow, type OverviewDimensionRankItem, type OverviewMarket, type AlertEvent } from '@/lib/api'
 import { QK } from '@/lib/queryKeys'
@@ -471,6 +471,7 @@ function HotRankCard({ title, rank, configUrl }: { title: string; rank?: Overvie
 export function Dashboard() {
   const [selectedDate, setSelectedDate] = useState<string | undefined>()
   const [manualFetching, setManualFetching] = useState(false)
+  const [copiedCode, setCopiedCode] = useState(false)
   const dataStatus = useDataStatus({ staleTime: 60_000 })
   const overview = useQuery({
     queryKey: QK.overviewMarket(selectedDate),
@@ -487,8 +488,11 @@ export function Dashboard() {
   // none 档(无 key / 无效 key)→ 显示升级提示横幅
   const isNoKey = settings.data?.mode === 'none'
   // 无本地数据(enriched/daily 都没有)→ 提示去数据页同步
+  // 注: 后端 status 的 rows 为性能刻意返回 0, 用 trading_days 判断是否有数据
   const ds = dataStatus.data
-  const hasNoData = !!ds && (ds.enriched?.rows ?? 0) === 0 && (ds.daily?.rows ?? 0) === 0
+  const hasNoData = !!ds
+    && (ds.enriched?.trading_days ?? 0) === 0
+    && (ds.daily?.trading_days ?? 0) === 0
 
   // 手动刷新: 显示旋转动画; SSE 自动刷新: 静默, 无体感
   const handleRefresh = () => {
@@ -529,9 +533,9 @@ export function Dashboard() {
       {/* none 档(无 key)提示横幅 —— 引导用户领取免费 Key 解锁完整能力 */}
       {isNoKey && (
         <div className="mb-3 flex items-center gap-2 rounded-card border border-warning/40 bg-warning/10 px-3 py-2 text-xs">
-          <Gift className="h-4 w-4 shrink-0 text-warning" />
+          <AlertTriangle className="h-4 w-4 shrink-0 text-warning" />
           <span className="text-secondary leading-relaxed">
-            当前未配置 API Key,实时行情、批量同步等能力不可用。
+            当前未配置 API Key,批量同步、实时行情等能力不可用。
             <a
               href="https://tickflow.org/auth/register?ref=V3KDKGXPEA"
               target="_blank"
@@ -542,24 +546,41 @@ export function Dashboard() {
               <ExternalLink className="h-3 w-3 self-center" />
             </a>
             免费注册(或填邀请码{' '}
-            <span className="font-mono font-semibold text-warning">V3KDKGXPEA</span>
-            )即可领取免费 API Key,无需付费即可体验完整功能。
+            <span className="font-mono font-semibold text-warning inline-flex items-baseline gap-1">
+              V3KDKGXPEA
+              <button
+                type="button"
+                onClick={() => {
+                  navigator.clipboard?.writeText('V3KDKGXPEA').then(() => {
+                    setCopiedCode(true)
+                    setTimeout(() => setCopiedCode(false), 1500)
+                  })
+                }}
+                className="text-warning/60 hover:text-warning transition-colors self-center"
+                aria-label="复制邀请码"
+                tabIndex={-1}
+              >
+                {copiedCode ? <Check className="h-3 w-3" /> : <Copy className="h-3 w-3" />}
+              </button>
+            </span>
+            )即可领取免费 API Key,无需付费即可体验。
           </span>
         </div>
       )}
-      {/* 无本地数据提示 —— 引导用户去数据页同步 */}
-      {hasNoData && (
-        <div className="mb-3 flex items-center gap-2 rounded-card border border-accent/40 bg-accent/10 px-3 py-2 text-xs">
-          <Database className="h-4 w-4 shrink-0 text-accent" />
+      {/* 无本地数据提示 —— 引导用户去数据页同步 (仅当已配置 Key 时显示, 无 Key 时优先提示配置 Key) */}
+      {hasNoData && !isNoKey && (
+        <div className="mb-3 flex items-center gap-2 rounded-card border border-warning/40 bg-warning/10 px-3 py-2 text-xs">
+          <AlertTriangle className="h-4 w-4 shrink-0 text-warning" />
           <span className="text-secondary leading-relaxed">
-            看板暂无数据,请前往数据页面同步行情数据后查看。
+            当前暂无数据,请前往数据页面同步行情数据完成后查看。
+            <Link
+              to="/data"
+              className="ml-1 shrink-0 inline-flex items-center gap-0.5 font-medium text-warning hover:underline"
+            >
+              前往同步数据
+              <ArrowUpRight className="h-3 w-3 self-center" />
+            </Link>
           </span>
-          <Link
-            to="/data"
-            className="ml-auto shrink-0 inline-flex items-center gap-1 rounded-btn bg-accent px-2.5 py-1 text-[11px] font-medium text-white hover:bg-accent/90 transition-colors"
-          >
-            前往同步
-          </Link>
         </div>
       )}
       <div className="mb-3 flex flex-wrap items-center justify-between gap-2 rounded-card border border-border bg-surface/85 px-3 py-2">
diff --git a/frontend/src/pages/Data.tsx b/frontend/src/pages/Data.tsx
index 31a516d..35b4fe1 100644
--- a/frontend/src/pages/Data.tsx
+++ b/frontend/src/pages/Data.tsx
@@ -1,4 +1,5 @@
 import { useCallback, useEffect, useRef, useState } from 'react'
+import { Link } from 'react-router-dom'
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
 import { motion, AnimatePresence } from 'framer-motion'
 import {
@@ -214,6 +215,8 @@ export function Data() {
   const isRunning = job.data?.status === 'running' || job.data?.status === 'pending'
   const isStarting = startSync.isPending
   const hasData = !!(s?.instruments?.rows || s?.daily?.rows)
+  // none 档(无 key / 无效 key) → 禁用立即同步 (同步依赖付费档的批量端点)
+  const isNoKey = settings.data?.mode === 'none'
   const indexOverviewStats = s ? {
     rows: 0,
     earliest_date: s.index_daily?.earliest_date ?? s.index_enriched?.earliest_date ?? null,
@@ -290,21 +293,31 @@ export function Data() {
         subtitle="本地数据画像 · 同步状态 · 历史记录"
         right={
           <div className="flex items-center gap-3">
-            {!hasData && !isLoading && (
+            {!hasData && !isLoading && !isNoKey && (
               <span className="text-xs text-accent animate-pulse">首次使用请点击右侧按钮同步数据</span>
             )}
-            <button
-              onClick={() => startSync.mutate()}
-              disabled={isStarting}
-              className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-gradient-to-r from-accent/25 to-accent/10 border border-accent/30 text-accent text-xs font-medium hover:from-accent/35 hover:to-accent/20 disabled:opacity-40 transition-all duration-150"
-            >
-              {(isRunning || isStarting) ? (
-                <Loader2 className="h-3.5 w-3.5 animate-spin" />
-              ) : (
+            {isNoKey ? (
+              <button
+                disabled
+                className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-gradient-to-r from-accent/25 to-accent/10 border border-accent/30 text-accent text-xs font-medium opacity-40 cursor-not-allowed transition-all duration-150"
+              >
                 <Play className="h-3.5 w-3.5" />
-              )}
-              {isStarting ? '启动中…' : isRunning ? '同步中…' : '立即同步'}
-            </button>
+                立即同步
+              </button>
+            ) : (
+              <button
+                onClick={() => startSync.mutate()}
+                disabled={isStarting}
+                className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-gradient-to-r from-accent/25 to-accent/10 border border-accent/30 text-accent text-xs font-medium hover:from-accent/35 hover:to-accent/20 disabled:opacity-40 transition-all duration-150"
+              >
+                {(isRunning || isStarting) ? (
+                  <Loader2 className="h-3.5 w-3.5 animate-spin" />
+                ) : (
+                  <Play className="h-3.5 w-3.5" />
+                )}
+                {isStarting ? '启动中…' : isRunning ? '同步中…' : '立即同步'}
+              </button>
+            )}
             <div className="w-px h-4 bg-border" />
             <div className="flex items-center gap-1.5">
               <button
@@ -335,6 +348,20 @@ export function Data() {
       />
 
       <div className="px-8 py-6 space-y-6 max-w-6xl">
+        {/* 未配置 API Key 告警条 —— 引导用户去配置 Key 后才能同步 */}
+        {isNoKey && (
+          <div className="flex items-center gap-2 rounded-card border border-warning/40 bg-warning/10 px-3 py-2 text-xs">
+            <AlertTriangle className="h-4 w-4 shrink-0 text-warning" />
+            <span className="text-secondary leading-relaxed">
+              未配置 API Key,无法同步数据,请前往
+              <Link to="/settings?tab=account" className="mx-0.5 font-medium text-warning hover:underline">
+                配置
+              </Link>
+              。
+            </span>
+          </div>
+        )}
+
         {/* 实时进度 */}
         <AnimatePresence>
           {job.data && (
@@ -643,7 +670,7 @@ export function Data() {
                 { label: '指标', table: 'index_enriched' },
               ] as FieldTab[]}
               onShowFields={(t) => setSchemaTable(t ?? 'index_daily')}
-              onSettings={() => setOpenSettings(v => v === 'index' ? null : 'index')}
+              onSettings={hasData ? () => setOpenSettings(v => v === 'index' ? null : 'index') : undefined}
               settingsOpen={openSettings === 'index'}
             />
             <StatCard
diff --git a/frontend/src/pages/settings/System.tsx b/frontend/src/pages/settings/System.tsx
index 70cd439..6edaa8a 100644
--- a/frontend/src/pages/settings/System.tsx
+++ b/frontend/src/pages/settings/System.tsx
@@ -47,8 +47,8 @@ export function SettingsSystemPanel() {
     }
   }, [qc])
 
-  // 清理浏览器缓存: 清除 react-query 缓存 + 强制重载 (绕过浏览器缓存)
-  // 不动 localStorage (用户列配置/策略池等偏好保留)
+  // 刷新前端缓存: 清除 react-query 缓存 + 强制重载 (绕过浏览器缓存)
+  // 不动 localStorage (用户列配置/策略池等偏好保留), 也不影响后端的本地股票数据
   const handleClearCache = useCallback(() => {
     setClearing(true)
     qc.clear()
@@ -171,9 +171,9 @@ export function SettingsSystemPanel() {
 
         <div className="flex items-center justify-between gap-4 py-2">
           <div className="min-w-0">
-            <div className="text-sm text-foreground">清理浏览器缓存</div>
+            <div className="text-sm text-foreground">刷新前端缓存</div>
             <div className="text-[11px] text-muted truncate">
-              清除前端缓存并强制重新加载页面 (不影响你的个人配置)
+              清除页面缓存并强制重新加载 (不影响个人配置和本地股票数据)
             </div>
           </div>
           <button