diff --git a/README.md b/README.md
index fbe71bc..1f418bd 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,20 @@
 - 预警中心支持卖出预警、慢流出观察等风险信息查看。
 - 已明确新增“每日 17:00 自动更新 + 邮件日报 + PDF 附件”需求，待后续实现。
 
+## 最近界面与数据调整
+
+- 个股详情页的“买卖明细”已改为“买卖力度趋势”图：
+  - 柱形图按日期展示买入和卖出，买入为正、卖出为负。
+  - 折线展示“当日净额”和“累计净额”。
+  - 明细仅在鼠标悬浮图表时显示。
+- 个股详情页顶部新增“预警列表”按钮：
+  - 有预警时红色高亮提示。
+  - 点击后以弹层方式展示当前个股预警，不再挤占右侧图表区域。
+- 个股详情、首页候选股、游资详情页的数据补全逻辑已增强：
+  - 优先读取数据库中的股票元数据。
+  - 外部快照失败时增加备用行情源兜底。
+  - 收盘后更新流程会同步补全行业、市值、流通市值等字段。
+
 ## 环境要求
 
 - Python 3.11+
diff --git a/backend/src/lhbfx/queries.py b/backend/src/lhbfx/queries.py
index 5495600..67bab8b 100644
--- a/backend/src/lhbfx/queries.py
+++ b/backend/src/lhbfx/queries.py
@@ -8,6 +8,7 @@ from typing import Any
 from .db import db_cursor
 from .sources.eastmoney import EastMoneyClient
 from .sources.sina import SinaClient
+from .sources.tencent import TencentClient
 
 
 def _normalize_value(value: Any) -> Any:
@@ -467,6 +468,11 @@ def fetch_stock_detail(stock_code: str) -> dict[str, Any]:
         quote_snapshot = eastmoney.fetch_quote_snapshot(stock_code)
     except Exception:
         quote_snapshot = {}
+    if not quote_snapshot:
+        try:
+            quote_snapshot = TencentClient().fetch_quote_snapshot(stock_code)
+        except Exception:
+            quote_snapshot = {}
     if not market_daily:
         try:
             market_daily = SinaClient().fetch_daily_kline(stock_code)
diff --git a/backend/src/lhbfx/reporting.py b/backend/src/lhbfx/reporting.py
index 028f93b..911e5d0 100644
--- a/backend/src/lhbfx/reporting.py
+++ b/backend/src/lhbfx/reporting.py
@@ -10,6 +10,7 @@ from .config import AppConfig
 from .db import db_cursor
 from .queries import fetch_trader_actions, fetch_watchlist, fetch_warnings
 from .sources.eastmoney import EastMoneyClient
+from .sources.tencent import TencentClient
 
 
 @dataclass(slots=True)
@@ -130,30 +131,51 @@ def enrich_stock_metadata(*, config: AppConfig, stock_codes: set[str]) -> None:
         existing_rows = {row["stock_code"]: row for row in cursor.fetchall()}
 
         client = EastMoneyClient()
+        quote_client = TencentClient()
         for stock_code in sorted(stock_codes):
             row = existing_rows.get(stock_code)
             has_industry = bool(row and row.get("industry"))
             has_concepts = bool(row and row.get("concept_tags"))
-            if has_industry and has_concepts:
+            has_market_value = bool(row and row.get("total_market_value") is not None)
+            has_circulating_market_value = bool(row and row.get("circulating_market_value") is not None)
+            if has_industry and has_concepts and has_market_value and has_circulating_market_value:
                 continue
 
             profile = client.fetch_company_profile(stock_code)
+            try:
+                quote_snapshot = quote_client.fetch_quote_snapshot(stock_code)
+            except Exception:
+                quote_snapshot = {}
             cursor.execute(
                 """
-                INSERT INTO stocks (stock_code, stock_name, market, industry, concept_tags)
-                VALUES (%s, %s, %s, %s, %s)
+                INSERT INTO stocks (
+                  stock_code,
+                  stock_name,
+                  market,
+                  industry,
+                  concept_tags,
+                  total_market_value,
+                  circulating_market_value
+                )
+                VALUES (%s, %s, %s, %s, %s, %s, %s)
                 ON DUPLICATE KEY UPDATE
                   stock_name = COALESCE(NULLIF(VALUES(stock_name), ''), stock_name),
                   market = COALESCE(NULLIF(VALUES(market), ''), market),
                   industry = COALESCE(NULLIF(VALUES(industry), ''), industry),
-                  concept_tags = COALESCE(VALUES(concept_tags), concept_tags)
+                  concept_tags = COALESCE(VALUES(concept_tags), concept_tags),
+                  total_market_value = COALESCE(VALUES(total_market_value), total_market_value),
+                  circulating_market_value = COALESCE(VALUES(circulating_market_value), circulating_market_value)
                 """,
                 (
                     stock_code,
-                    profile.get("stock_name") or (row.get("stock_name") if row else stock_code),
+                    profile.get("stock_name")
+                    or quote_snapshot.get("stock_name")
+                    or (row.get("stock_name") if row else stock_code),
                     profile.get("market"),
                     profile.get("industry"),
                     json.dumps(profile.get("concept_tags") or [], ensure_ascii=False),
+                    quote_snapshot.get("total_market_value"),
+                    quote_snapshot.get("circulating_market_value"),
                 ),
             )
 
diff --git a/backend/src/lhbfx/sources/tencent.py b/backend/src/lhbfx/sources/tencent.py
new file mode 100644
index 0000000..54d07a4
--- /dev/null
+++ b/backend/src/lhbfx/sources/tencent.py
@@ -0,0 +1,81 @@
+from __future__ import annotations
+
+from typing import Any
+
+import requests
+
+
+DEFAULT_HEADERS = {
+    "User-Agent": (
+        "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
+        "AppleWebKit/537.36 (KHTML, like Gecko) "
+        "Chrome/135.0.0.0 Safari/537.36"
+    ),
+    "Referer": "https://finance.qq.com/",
+}
+
+
+def infer_symbol(stock_code: str) -> str:
+    if stock_code.startswith(("6", "9", "5", "688")):
+        return f"sh{stock_code}"
+    return f"sz{stock_code}"
+
+
+def _to_float(value: str | None) -> float | None:
+    if value in (None, "", "-"):
+        return None
+    try:
+        return float(value)
+    except (TypeError, ValueError):
+        return None
+
+
+class TencentClient:
+    def fetch_quote_snapshot(self, stock_code: str) -> dict[str, Any]:
+        symbol = infer_symbol(stock_code)
+        response = requests.get(
+            "https://qt.gtimg.cn/q=" + symbol,
+            headers=DEFAULT_HEADERS,
+            timeout=20,
+        )
+        response.raise_for_status()
+        text = response.text
+        if '"' not in text:
+            return {}
+
+        payload = text.split('"', 1)[1].rsplit('"', 1)[0]
+        parts = payload.split("~")
+        if len(parts) < 49:
+            return {}
+
+        latest_price = _to_float(parts[3])
+        previous_close = _to_float(parts[4])
+        open_price = _to_float(parts[5])
+        price_chg = _to_float(parts[31])
+        pct_chg = _to_float(parts[32])
+        high_price = _to_float(parts[33])
+        low_price = _to_float(parts[34])
+        amount_wan = _to_float(parts[37])
+        turnover_pct = _to_float(parts[38])
+        amplitude_pct = _to_float(parts[43])
+        circulating_market_value_yi = _to_float(parts[44])
+        total_market_value_yi = _to_float(parts[45])
+
+        return {
+            "stock_code": parts[2] or stock_code,
+            "stock_name": parts[1] or None,
+            "latest_price": None if latest_price is None else latest_price * 100,
+            "high_price": None if high_price is None else high_price * 100,
+            "low_price": None if low_price is None else low_price * 100,
+            "open_price": None if open_price is None else open_price * 100,
+            "amount": None if amount_wan is None else amount_wan * 10000,
+            "previous_close": None if previous_close is None else previous_close * 100,
+            "turnover": None if turnover_pct is None else turnover_pct * 100,
+            "price_chg": None if price_chg is None else price_chg * 100,
+            "pct_chg": None if pct_chg is None else pct_chg * 100,
+            "amplitude": None if amplitude_pct is None else amplitude_pct * 100,
+            "circulating_market_value": (
+                None if circulating_market_value_yi is None else circulating_market_value_yi * 100000000
+            ),
+            "total_market_value": None if total_market_value_yi is None else total_market_value_yi * 100000000,
+        }
diff --git a/frontend/src/components/StockActionTimelineChart.vue b/frontend/src/components/StockActionTimelineChart.vue
new file mode 100644
index 0000000..915a05a
--- /dev/null
+++ b/frontend/src/components/StockActionTimelineChart.vue
@@ -0,0 +1,522 @@
+<script setup lang="ts">
+import { computed, onMounted, onUnmounted, shallowRef, useTemplateRef } from 'vue'
+
+import type { TraderAction } from '../types'
+import { formatSignedWanAmount, formatWanAmount, numberFromText } from '../utils/format'
+
+type AggregatedActionRow = {
+  trade_date: string
+  buyTotalWan: number
+  sellTotalWan: number
+  netTotalWan: number
+  cumulativeNetWan: number
+  traderCount: number
+}
+
+const props = defineProps<{
+  actions: TraderAction[]
+}>()
+
+const chartContainerRef = useTemplateRef<HTMLDivElement>('chartContainerRef')
+const hoveredIndex = shallowRef<number | null>(null)
+const containerWidth = shallowRef(0)
+
+const aggregatedRows = computed<AggregatedActionRow[]>(() => {
+  const grouped = new Map<
+    string,
+    {
+      trade_date: string
+      buyTotalWan: number
+      sellTotalWan: number
+      netTotalWan: number
+      traders: Set<string>
+    }
+  >()
+
+  for (const action of props.actions) {
+    const buyTotalWan = numberFromText(action.buy_amount_wan) ?? 0
+    const sellTotalWan = numberFromText(action.sell_amount_wan) ?? 0
+    const netTotalWan = numberFromText(action.net_amount_wan) ?? buyTotalWan - sellTotalWan
+    const current = grouped.get(action.trade_date) ?? {
+      trade_date: action.trade_date,
+      buyTotalWan: 0,
+      sellTotalWan: 0,
+      netTotalWan: 0,
+      traders: new Set<string>(),
+    }
+
+    current.buyTotalWan += buyTotalWan
+    current.sellTotalWan += sellTotalWan
+    current.netTotalWan += netTotalWan
+    if (action.matched_trader_name) {
+      current.traders.add(action.matched_trader_name)
+    }
+    grouped.set(action.trade_date, current)
+  }
+
+  let cumulativeNetWan = 0
+  return [...grouped.values()]
+    .sort((left, right) => left.trade_date.localeCompare(right.trade_date))
+    .map((item) => {
+      cumulativeNetWan += item.netTotalWan
+      return {
+        trade_date: item.trade_date,
+        buyTotalWan: item.buyTotalWan,
+        sellTotalWan: item.sellTotalWan,
+        netTotalWan: item.netTotalWan,
+        cumulativeNetWan,
+        traderCount: item.traders.size,
+      }
+    })
+})
+
+const chartModel = computed(() => {
+  const rows = aggregatedRows.value
+  const measuredWidth = containerWidth.value || 0
+  const width = Math.max(measuredWidth, 320, rows.length * 54)
+  const height = 260
+  const left = 56
+  const right = 64
+  const top = 18
+  const bottom = 34
+  const innerWidth = width - left - right
+  const innerHeight = height - top - bottom
+
+  const emptyModel = {
+    width,
+    height,
+    left,
+    right,
+    top,
+    bottom,
+    zeroY: top + innerHeight / 2,
+    stepX: 0,
+    buyBars: [] as Array<{ x: number; y: number; height: number; title: string }>,
+    sellBars: [] as Array<{ x: number; y: number; height: number; title: string }>,
+    netPoints: [] as Array<{ x: number; y: number }>,
+    cumulativePoints: [] as Array<{ x: number; y: number }>,
+    labels: [] as Array<{ x: number; label: string; visible: boolean }>,
+    leftAxis: [] as Array<{ y: number; label: string }>,
+    rightAxis: [] as Array<{ y: number; label: string }>,
+    hoverColumns: [] as Array<{ x: number; width: number }>,
+  }
+
+  if (!rows.length) {
+    return emptyModel
+  }
+
+  const leftMax = Math.max(
+    ...rows.flatMap((row) => [Math.abs(row.buyTotalWan), Math.abs(row.sellTotalWan), Math.abs(row.netTotalWan)]),
+    1,
+  )
+  const zeroY = top + innerHeight / 2
+  const yOfLeft = (value: number) => zeroY - (value / leftMax) * (innerHeight / 2)
+
+  const cumulativeValues = rows.map((row) => row.cumulativeNetWan)
+  const rightMin = Math.min(0, ...cumulativeValues)
+  const rightMax = Math.max(0, ...cumulativeValues)
+  const rightRange = rightMax - rightMin || 1
+  const yOfRight = (value: number) => top + ((rightMax - value) / rightRange) * innerHeight
+
+  const stepX = rows.length === 1 ? innerWidth / 2 : innerWidth / (rows.length - 1)
+  const groupWidth = Math.max(20, Math.min(28, stepX * 0.58))
+  const barWidth = Math.max(7, groupWidth / 2 - 2)
+  const labelStep = Math.max(1, Math.ceil(rows.length / 6))
+
+  return {
+    width,
+    height,
+    left,
+    right,
+    top,
+    bottom,
+    zeroY,
+    stepX,
+    buyBars: rows.map((row, index) => {
+      const x = left + (rows.length === 1 ? innerWidth / 2 : index * stepX)
+      const y = yOfLeft(row.buyTotalWan)
+      return {
+        x: x - barWidth - 2,
+        y,
+        height: Math.max(2, zeroY - y),
+        title: `${row.trade_date}\n买入 ${formatWanAmount(row.buyTotalWan)}\n卖出 ${formatWanAmount(row.sellTotalWan)}\n净额 ${formatSignedWanAmount(row.netTotalWan)}`,
+      }
+    }),
+    sellBars: rows.map((row, index) => {
+      const x = left + (rows.length === 1 ? innerWidth / 2 : index * stepX)
+      const y = zeroY
+      const sellY = yOfLeft(-row.sellTotalWan)
+      return {
+        x: x + 2,
+        y,
+        height: Math.max(2, sellY - zeroY),
+        title: `${row.trade_date}\n买入 ${formatWanAmount(row.buyTotalWan)}\n卖出 ${formatWanAmount(row.sellTotalWan)}\n净额 ${formatSignedWanAmount(row.netTotalWan)}`,
+      }
+    }),
+    netPoints: rows.map((row, index) => ({
+      x: left + (rows.length === 1 ? innerWidth / 2 : index * stepX),
+      y: yOfLeft(row.netTotalWan),
+    })),
+    cumulativePoints: rows.map((row, index) => ({
+      x: left + (rows.length === 1 ? innerWidth / 2 : index * stepX),
+      y: yOfRight(row.cumulativeNetWan),
+    })),
+    labels: rows.map((row, index) => ({
+      x: left + (rows.length === 1 ? innerWidth / 2 : index * stepX),
+      label: row.trade_date.slice(5),
+      visible: index % labelStep === 0 || index === rows.length - 1,
+    })),
+    leftAxis: Array.from({ length: 5 }, (_, index) => {
+      const value = leftMax - (leftMax * 2 * index) / 4
+      return { y: yOfLeft(value), label: formatSignedWanAmount(value) }
+    }),
+    rightAxis: Array.from({ length: 5 }, (_, index) => {
+      const value = rightMax - (rightRange * index) / 4
+      return { y: yOfRight(value), label: formatSignedWanAmount(value) }
+    }),
+    hoverColumns: rows.map((_row, index) => ({
+      x: left + (rows.length === 1 ? innerWidth / 2 : index * stepX) - Math.max(stepX, 20) / 2,
+      width: Math.max(stepX, 20),
+    })),
+  }
+})
+
+const netLinePoints = computed(() => chartModel.value.netPoints.map((point) => `${point.x},${point.y}`).join(' '))
+const cumulativeLinePoints = computed(() =>
+  chartModel.value.cumulativePoints.map((point) => `${point.x},${point.y}`).join(' '),
+)
+
+const activeRow = computed(() => {
+  if (!aggregatedRows.value.length) return null
+  if (hoveredIndex.value === null) return null
+  return aggregatedRows.value[hoveredIndex.value] ?? null
+})
+
+const activeTooltip = computed(() => {
+  if (hoveredIndex.value === null || !activeRow.value) return null
+  const point = chartModel.value.netPoints[hoveredIndex.value]
+  if (!point) return null
+
+  const tooltipWidth = 168
+  const tooltipHeight = 90
+  const x = Math.min(
+    Math.max(point.x - tooltipWidth / 2, chartModel.value.left + 6),
+    chartModel.value.width - chartModel.value.right - tooltipWidth - 6,
+  )
+  const prefersBelow = point.y < chartModel.value.top + tooltipHeight + 24
+  const y = prefersBelow
+    ? Math.min(point.y + 12, chartModel.value.height - chartModel.value.bottom - tooltipHeight - 6)
+    : Math.max(point.y - tooltipHeight - 12, chartModel.value.top + 6)
+
+  return {
+    x,
+    y,
+    width: tooltipWidth,
+    height: tooltipHeight,
+  }
+})
+
+function setHoveredIndex(index: number) {
+  hoveredIndex.value = index
+}
+
+function clearHoveredIndex() {
+  hoveredIndex.value = null
+}
+
+let resizeObserver: ResizeObserver | null = null
+
+function syncContainerWidth() {
+  containerWidth.value = chartContainerRef.value?.clientWidth ?? 0
+}
+
+onMounted(() => {
+  syncContainerWidth()
+  if (chartContainerRef.value) {
+    resizeObserver = new ResizeObserver(() => {
+      syncContainerWidth()
+    })
+    resizeObserver.observe(chartContainerRef.value)
+  }
+})
+
+onUnmounted(() => {
+  resizeObserver?.disconnect()
+  resizeObserver = null
+})
+</script>
+
+<template>
+  <div class="action-chart-panel">
+    <div class="action-chart-head">
+      <div>
+        <h4 class="action-chart-title">买卖力度趋势</h4>
+        <p class="action-chart-note">柱形图显示买卖，折线显示单日净额和累计净额。</p>
+      </div>
+      <div class="action-chart-legend">
+        <span class="legend-chip">
+          <span class="legend-swatch bar buy" />
+          买入
+        </span>
+        <span class="legend-chip">
+          <span class="legend-swatch bar sell" />
+          卖出
+        </span>
+        <span class="legend-chip">
+          <span class="legend-swatch line net" />
+          当日净额
+        </span>
+        <span class="legend-chip">
+          <span class="legend-swatch line cumulative" />
+          累计净额
+        </span>
+      </div>
+    </div>
+
+    <div v-if="aggregatedRows.length" class="action-chart-body">
+      <div ref="chartContainerRef" class="action-chart-scroll">
+        <svg
+          class="action-chart-svg"
+          :viewBox="`0 0 ${chartModel.width} ${chartModel.height}`"
+          :style="{ width: `${chartModel.width}px`, height: `${chartModel.height}px` }"
+          preserveAspectRatio="none"
+          @mouseleave="clearHoveredIndex"
+        >
+          <g opacity="0.08" stroke="#ffffff">
+            <line
+              v-for="tick in chartModel.leftAxis"
+              :key="`left-grid-${tick.label}`"
+              :x1="chartModel.left"
+              :y1="tick.y"
+              :x2="chartModel.width - chartModel.right"
+              :y2="tick.y"
+            />
+          </g>
+
+          <line
+            :x1="chartModel.left"
+            :y1="chartModel.zeroY"
+            :x2="chartModel.width - chartModel.right"
+            :y2="chartModel.zeroY"
+            stroke="rgba(255,255,255,0.22)"
+            stroke-width="1.2"
+          />
+
+          <g v-for="(tick, index) in chartModel.leftAxis" :key="`left-axis-${index}`">
+            <text x="0" :y="tick.y + 4" fill="#93a2b5" font-size="10">{{ tick.label }}</text>
+          </g>
+
+          <g v-for="(tick, index) in chartModel.rightAxis" :key="`right-axis-${index}`">
+            <text :x="chartModel.width - chartModel.right + 8" :y="tick.y + 4" fill="#c9ad68" font-size="10">
+              {{ tick.label }}
+            </text>
+          </g>
+
+          <g v-for="(column, index) in chartModel.hoverColumns" :key="`hover-${index}`">
+            <rect
+              :x="column.x"
+              y="0"
+              :width="column.width"
+              :height="chartModel.height"
+              :fill="hoveredIndex === index ? 'rgba(255,255,255,0.04)' : 'transparent'"
+              @mouseenter="setHoveredIndex(index)"
+            />
+          </g>
+
+          <g v-for="(bar, index) in chartModel.buyBars" :key="`buy-${index}`">
+            <rect
+              :x="bar.x"
+              :y="bar.y"
+              width="10"
+              :height="bar.height"
+              rx="2"
+              fill="#ff7b7b"
+            >
+              <title>{{ bar.title }}</title>
+            </rect>
+          </g>
+
+          <g v-for="(bar, index) in chartModel.sellBars" :key="`sell-${index}`">
+            <rect
+              :x="bar.x"
+              :y="bar.y"
+              width="10"
+              :height="bar.height"
+              rx="2"
+              fill="#4ca8ff"
+            >
+              <title>{{ bar.title }}</title>
+            </rect>
+          </g>
+
+          <polyline
+            fill="none"
+            stroke="#f0c96a"
+            stroke-width="2.4"
+            :points="cumulativeLinePoints"
+          />
+          <polyline
+            fill="none"
+            stroke="#7de1b2"
+            stroke-width="2.2"
+            :points="netLinePoints"
+          />
+
+          <g v-for="(point, index) in chartModel.netPoints" :key="`net-point-${index}`">
+            <circle :cx="point.x" :cy="point.y" r="3.4" fill="#7de1b2" />
+          </g>
+          <g v-for="(point, index) in chartModel.cumulativePoints" :key="`cumulative-point-${index}`">
+            <circle :cx="point.x" :cy="point.y" r="3.2" fill="#f0c96a" />
+          </g>
+
+          <g v-if="activeTooltip && activeRow">
+            <rect
+              :x="activeTooltip.x"
+              :y="activeTooltip.y"
+              :width="activeTooltip.width"
+              :height="activeTooltip.height"
+              rx="10"
+              fill="rgba(8, 12, 18, 0.96)"
+              stroke="rgba(255,255,255,0.08)"
+            />
+            <text :x="activeTooltip.x + 12" :y="activeTooltip.y + 18" fill="#ffffff" font-size="11" font-weight="700">
+              {{ activeRow.trade_date }}
+            </text>
+            <text :x="activeTooltip.x + 12" :y="activeTooltip.y + 36" fill="#ff7b7b" font-size="11">
+              买入 {{ formatWanAmount(activeRow.buyTotalWan) }}
+            </text>
+            <text :x="activeTooltip.x + 12" :y="activeTooltip.y + 52" fill="#4ca8ff" font-size="11">
+              卖出 {{ formatWanAmount(activeRow.sellTotalWan) }}
+            </text>
+            <text :x="activeTooltip.x + 12" :y="activeTooltip.y + 68" fill="#7de1b2" font-size="11">
+              当日净额 {{ formatSignedWanAmount(activeRow.netTotalWan) }}
+            </text>
+            <text :x="activeTooltip.x + 12" :y="activeTooltip.y + 84" fill="#f0c96a" font-size="11">
+              累计净额 {{ formatSignedWanAmount(activeRow.cumulativeNetWan) }}
+            </text>
+          </g>
+
+          <g v-for="(label, index) in chartModel.labels" :key="`label-${index}`">
+            <text
+              v-if="label.visible"
+              :x="label.x"
+              :y="chartModel.height - 10"
+              text-anchor="middle"
+              fill="#93a2b5"
+              font-size="10"
+            >
+              {{ label.label }}
+            </text>
+          </g>
+        </svg>
+      </div>
+    </div>
+
+    <p v-else class="action-chart-empty">暂无可展示的买卖明细。</p>
+  </div>
+</template>
+
+<style scoped>
+.action-chart-panel {
+  display: grid;
+  gap: 10px;
+  height: 100%;
+  min-height: 0;
+}
+
+.action-chart-head {
+  display: grid;
+  gap: 10px;
+}
+
+.action-chart-title {
+  margin: 0;
+  font-size: 15px;
+}
+
+.action-chart-note {
+  margin: 6px 0 0;
+  color: var(--color-muted);
+  font-size: 12px;
+  line-height: 1.55;
+}
+
+.action-chart-legend {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.legend-chip {
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 6px 10px;
+  border-radius: 999px;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  color: var(--color-muted);
+  font-size: 11px;
+  background: rgba(255, 255, 255, 0.03);
+}
+
+.legend-swatch {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  position: relative;
+  width: 18px;
+  height: 10px;
+}
+
+.legend-swatch.bar {
+  border-radius: 999px;
+}
+
+.legend-swatch.buy {
+  background: #ff7b7b;
+}
+
+.legend-swatch.sell {
+  background: #4ca8ff;
+}
+
+.legend-swatch.line::before {
+  content: '';
+  width: 18px;
+  height: 2px;
+  border-radius: 999px;
+}
+
+.legend-swatch.line.net::before {
+  background: #7de1b2;
+}
+
+.legend-swatch.line.cumulative::before {
+  background: #f0c96a;
+}
+
+.action-chart-body {
+  display: grid;
+  gap: 8px;
+  min-height: 0;
+}
+
+.action-chart-scroll {
+  overflow-x: auto;
+  overflow-y: hidden;
+  padding-bottom: 2px;
+  min-height: 228px;
+}
+
+.action-chart-svg {
+  display: block;
+  min-height: 228px;
+}
+
+.action-chart-empty {
+  margin: 0;
+  color: var(--color-muted);
+  font-size: 12px;
+  line-height: 1.65;
+}
+</style>
diff --git a/frontend/src/components/StockDetailScreen.vue b/frontend/src/components/StockDetailScreen.vue
index 449b8d9..7ae0222 100644
--- a/frontend/src/components/StockDetailScreen.vue
+++ b/frontend/src/components/StockDetailScreen.vue
@@ -1,6 +1,7 @@
 <script setup lang="ts">
-import { computed, shallowRef, useTemplateRef } from 'vue'
+import { computed, onMounted, onUnmounted, shallowRef, useTemplateRef } from 'vue'
 
+import StockActionTimelineChart from './StockActionTimelineChart.vue'
 import type { StockDetail, WarningItem } from '../types'
 import {
   compactMoney,
@@ -44,8 +45,10 @@ const props = defineProps<{
 }>()
 
 const chartRef = useTemplateRef<SVGSVGElement>('chartRef')
+const warningPopoverRef = useTemplateRef<HTMLDivElement>('warningPopoverRef')
 const selectedZoom = shallowRef(80)
 const hoveredIndex = shallowRef<number | null>(null)
+const showWarningPanel = shallowRef(false)
 
 const zoomOptions = [
   { label: '近40日', count: 40 },
@@ -60,11 +63,6 @@ const chartLegendItems = [
   { label: 'S 卖出', tone: '#5ab8ff', type: 'dot' },
 ] as const
 
-function validText(value: string | null | undefined): string | null {
-  if (!value || value === '-') return null
-  return value
-}
-
 function formatPercentNumber(value: number | null | undefined): string {
   if (value === null || value === undefined) return '-'
   return `${value.toFixed(2)}%`
@@ -82,10 +80,9 @@ function valueOrFallback(primary: string | null | undefined, fallback: string |
 }
 
 const topWarning = computed(() => props.activeWarning ?? props.stockDetail?.warnings[0] ?? null)
+const allWarnings = computed(() => props.stockDetail?.warnings ?? [])
 const latestOverview = computed(() => props.stockDetail?.overview?.[0] ?? null)
 const displayedTraderSummary = computed(() => (props.stockDetail?.trader_summary ?? []).slice(0, 4))
-const displayedTraderActions = computed(() => (props.stockDetail?.trader_actions ?? []).slice(0, 6))
-const displayedWarnings = computed(() => (props.stockDetail?.warnings ?? []).slice(0, 3))
 
 const totalNetAmountWan = computed(() => {
   return (props.stockDetail?.trader_summary ?? []).reduce((sum, item) => sum + (item.total_net_amount_wan ?? 0), 0)
@@ -97,17 +94,26 @@ const baseFacts = computed(() => {
   const latest = latestOverview.value
   if (!stock) return []
 
-  const latestPrice = snapshot?.latest_price ?? numberFromText(latest?.price) ?? null
-  const latestPct = snapshot?.pct_chg ?? numberFromText(validText(latest?.pct_chg)) ?? null
-  const latestAmount = snapshot?.amount ?? numberFromText(latest?.amount) ?? null
+  const latestPriceValue =
+    snapshot?.latest_price != null
+      ? (snapshot.latest_price / 100).toFixed(2)
+      : valueOrFallback(latest?.price, '-')
+  const latestPctValue =
+    snapshot?.pct_chg != null
+      ? formatPercentNumber(snapshot.pct_chg / 100)
+      : valueOrFallback(latest?.pct_chg, '-')
+  const latestAmountValue =
+    snapshot?.amount != null
+      ? formatAmountNumber(snapshot.amount)
+      : valueOrFallback(latest?.amount, '-')
 
   return [
     { label: '代码', value: stock.stock_code },
     { label: '市场', value: stock.market || 'A股' },
     { label: '行业', value: stock.industry || snapshot?.industry || '-' },
-    { label: '最新价', value: latestPrice === null ? '-' : String((latestPrice / 100).toFixed(2)) },
-    { label: '涨跌幅', value: latestPct === null ? valueOrFallback(latest?.pct_chg, '-') : formatPercentNumber(latestPct / 100) },
-    { label: '成交额', value: latestAmount === null ? valueOrFallback(latest?.amount, '-') : formatAmountNumber(latestAmount) },
+    { label: '最新价', value: latestPriceValue },
+    { label: '涨跌幅', value: latestPctValue },
+    { label: '成交额', value: latestAmountValue },
     { label: '振幅', value: snapshot?.amplitude == null ? '-' : formatPercentNumber(snapshot.amplitude / 100) },
     { label: '换手', value: snapshot?.turnover == null ? '-' : formatPercentNumber(snapshot.turnover / 100) },
     { label: '总市值', value: compactMoney(stock.total_market_value ?? snapshot?.total_market_value ?? null) },
@@ -294,6 +300,31 @@ function handleChartMove(event: MouseEvent) {
 function clearHover() {
   hoveredIndex.value = null
 }
+
+function toggleWarningPanel() {
+  showWarningPanel.value = !showWarningPanel.value
+}
+
+function closeWarningPanel() {
+  showWarningPanel.value = false
+}
+
+function handleDocumentPointerDown(event: PointerEvent) {
+  const root = warningPopoverRef.value
+  const target = event.target
+  if (!root || !(target instanceof Node)) return
+  if (!root.contains(target)) {
+    closeWarningPanel()
+  }
+}
+
+onMounted(() => {
+  document.addEventListener('pointerdown', handleDocumentPointerDown)
+})
+
+onUnmounted(() => {
+  document.removeEventListener('pointerdown', handleDocumentPointerDown)
+})
 </script>
 
 <template>
@@ -308,6 +339,42 @@ function clearHover() {
       </div>
       <div class="screen-toolbar">
         <span class="pill active">日K + 操作观点</span>
+        <div ref="warningPopoverRef" class="warning-popover-wrap">
+          <button
+            class="pill warning-trigger"
+            :class="{ alert: allWarnings.length > 0, open: showWarningPanel }"
+            type="button"
+            @click.stop="toggleWarningPanel"
+          >
+            预警列表
+            <span v-if="allWarnings.length">· {{ allWarnings.length }}</span>
+          </button>
+
+          <div v-if="showWarningPanel" class="warning-popover">
+            <div class="warning-popover-head">
+              <strong>当前预警情况</strong>
+              <span>{{ allWarnings.length }} 条</span>
+            </div>
+
+            <div v-if="allWarnings.length" class="warning-popover-list">
+              <div
+                v-for="warning in allWarnings"
+                :key="`${warning.trade_date}-${warning.warning_type}-${warning.trader_name}`"
+                class="warning-popover-item"
+              >
+                <div class="warning-popover-top">
+                  <strong>{{ warning.trader_name }}</strong>
+                  <span class="tag" :class="warning.warning_level === 'high' ? 'red' : 'orange'">
+                    {{ warningLabel(warning.warning_type) }}
+                  </span>
+                </div>
+                <p>{{ warning.trade_date }} · {{ warning.trigger_reason }}</p>
+              </div>
+            </div>
+
+            <p v-else class="warning-popover-empty">当前没有预警，状态正常。</p>
+          </div>
+        </div>
         <span class="pill" v-if="topWarning">{{ warningLabel(topWarning.warning_type) }}</span>
         <span class="pill" v-if="stockDetail">{{ stockDetail.stock.stock_code }}</span>
       </div>
@@ -515,46 +582,8 @@ function clearHover() {
           </div>
         </article>
 
-        <article class="side-card">
-          <div class="section-head">
-            <h4 class="side-title">买卖明细</h4>
-            <span class="pill">{{ displayedTraderActions.length }} 条</span>
-          </div>
-          <div class="detail-list">
-            <div
-              v-for="action in displayedTraderActions"
-              :key="`${action.trade_date}-${action.matched_trader_name}-${action.seat_name}-${action.table_title}`"
-              class="detail-item"
-            >
-              <div class="flow-top">
-                <strong>{{ action.matched_trader_name }}</strong>
-                <span>{{ action.trade_date }}</span>
-              </div>
-              <div class="flow-line buy">买入 {{ formatWanAmount(action.buy_amount_wan) }}</div>
-              <div class="flow-line sell">卖出 {{ formatWanAmount(action.sell_amount_wan) }}</div>
-              <div class="flow-line net" :class="priceTone(String(action.net_amount_wan))">
-                净额 {{ formatSignedWanAmount(action.net_amount_wan) }}
-              </div>
-              <p class="detail-desc">{{ action.seat_name }} · {{ action.table_title }}</p>
-            </div>
-          </div>
-        </article>
-
-        <article class="side-card">
-          <h4 class="side-title">预警情况</h4>
-          <div
-            v-for="warning in displayedWarnings"
-            :key="`${warning.trade_date}-${warning.warning_type}-${warning.trader_name}`"
-            class="timeline-entry"
-          >
-            <div class="timeline-top">
-              <strong>{{ warning.trader_name }}</strong>
-              <span class="tag" :class="warning.warning_level === 'high' ? 'red' : 'orange'">
-                {{ warningLabel(warning.warning_type) }}
-              </span>
-            </div>
-            <p class="timeline-desc">{{ warning.trade_date }} · {{ warning.trigger_reason }}</p>
-          </div>
+        <article class="side-card action-chart-card">
+          <StockActionTimelineChart :actions="stockDetail.trader_actions" />
         </article>
       </div>
     </div>
@@ -564,7 +593,7 @@ function clearHover() {
 <style scoped>
 .screen {
   height: 100%;
-  overflow: hidden;
+  overflow: visible;
   padding: 18px;
   border: 1px solid var(--color-line);
   border-radius: 30px;
@@ -610,6 +639,7 @@ function clearHover() {
   display: flex;
   gap: 8px;
   flex-wrap: wrap;
+  align-items: center;
 }
 
 .pill,
@@ -638,6 +668,83 @@ function clearHover() {
   cursor: pointer;
 }
 
+.warning-popover-wrap {
+  position: relative;
+}
+
+.warning-trigger {
+  cursor: pointer;
+}
+
+.warning-trigger.alert {
+  color: #ffb4b4;
+  background: rgba(255, 93, 93, 0.12);
+  border-color: rgba(255, 93, 93, 0.2);
+}
+
+.warning-trigger.alert.open {
+  background: rgba(255, 93, 93, 0.18);
+}
+
+.warning-popover {
+  position: absolute;
+  top: calc(100% + 10px);
+  right: 0;
+  z-index: 20;
+  width: min(380px, calc(100vw - 48px));
+  max-width: calc(100vw - 48px);
+  padding: 12px;
+  border-radius: 18px;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: rgba(8, 12, 18, 0.98);
+  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.32);
+}
+
+@media (min-width: 900px) {
+  .warning-popover {
+    left: auto;
+    right: 0;
+    transform: translateX(-22%);
+  }
+}
+
+.warning-popover-head,
+.warning-popover-top {
+  display: flex;
+  justify-content: space-between;
+  gap: 10px;
+}
+
+.warning-popover-head {
+  align-items: center;
+  margin-bottom: 10px;
+  color: var(--color-muted);
+  font-size: 12px;
+}
+
+.warning-popover-list {
+  display: grid;
+  gap: 10px;
+  max-height: 280px;
+  overflow-y: auto;
+  padding-right: 2px;
+}
+
+.warning-popover-item {
+  padding: 10px;
+  border-radius: 14px;
+  border: 1px solid rgba(255, 255, 255, 0.05);
+  background: rgba(255, 255, 255, 0.03);
+}
+
+.warning-popover-item p,
+.warning-popover-empty {
+  margin: 8px 0 0;
+  color: #d6ceb9;
+  line-height: 1.55;
+  font-size: 12px;
+}
+
 .chart-legend {
   display: flex;
   gap: 10px;
@@ -688,6 +795,8 @@ function clearHover() {
   gap: 14px;
   height: calc(100% - 52px);
   min-height: 0;
+  overflow: auto;
+  padding-right: 4px;
 }
 
 .main-stack,
@@ -702,7 +811,7 @@ function clearHover() {
 }
 
 .side-stack {
-  grid-template-rows: auto repeat(3, minmax(0, 1fr));
+  grid-template-rows: auto auto minmax(280px, 1fr);
 }
 
 .card-panel,
@@ -840,9 +949,7 @@ function clearHover() {
   font-size: 24px;
 }
 
-.judge-desc,
-.timeline-desc,
-.detail-desc {
+.judge-desc {
   margin: 0;
   color: #d6ceb9;
   line-height: 1.55;
@@ -862,16 +969,12 @@ function clearHover() {
   color: var(--color-muted);
 }
 
-.trader-flow,
-.detail-item,
-.timeline-entry {
+.trader-flow {
   padding: 10px 0;
   border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
 }
 
-.trader-flow:last-child,
-.detail-item:last-child,
-.timeline-entry:last-child {
+.trader-flow:last-child {
   border-bottom: 0;
 }
 
@@ -906,6 +1009,10 @@ function clearHover() {
   color: var(--color-muted);
 }
 
+.action-chart-card {
+  min-height: 280px;
+}
+
 .tag {
   display: inline-flex;
   align-items: center;
diff --git a/frontend/src/components/WarningCenterScreen.vue b/frontend/src/components/WarningCenterScreen.vue
index 08f868b..7fc025c 100644
--- a/frontend/src/components/WarningCenterScreen.vue
+++ b/frontend/src/components/WarningCenterScreen.vue
@@ -20,6 +20,13 @@ const countsByType = computed(() => {
     return acc
   }, {})
 })
+
+const countsByTrader = computed(() => {
+  return props.warnings.reduce<Record<string, number>>((acc, item) => {
+    acc[item.trader_name] = (acc[item.trader_name] ?? 0) + 1
+    return acc
+  }, {})
+})
 </script>
 
 <template>
@@ -41,14 +48,14 @@ const countsByType = computed(() => {
         <article class="filter-box">
           <h3 class="section-title">游资筛选</h3>
           <div
-            v-for="trader in traders"
-            :key="trader.id"
-            class="check-row"
-          >
-            <span>{{ trader.name }}</span>
-            <strong>{{ trader.stock_count }}</strong>
-          </div>
-        </article>
+          v-for="trader in traders"
+          :key="trader.id"
+          class="check-row"
+        >
+          <span>{{ trader.name }}</span>
+          <strong>{{ countsByTrader[trader.name] ?? 0 }}</strong>
+        </div>
+      </article>
 
         <article class="filter-box">
           <h3 class="section-title">预警类型</h3>
diff --git a/frontend/src/composables/useDashboardData.ts b/frontend/src/composables/useDashboardData.ts
index 7c6d1bf..bb700bb 100644
--- a/frontend/src/composables/useDashboardData.ts
+++ b/frontend/src/composables/useDashboardData.ts
@@ -229,9 +229,17 @@ export function useDashboardData() {
         selectedTraderId.value = traderResult[0].id
       }
 
-      const preferredStockCode = watchlist.value[0]?.stock_code ?? warningResult[0]?.stock_code
+      const watchlistCodeSet = new Set(watchlistResult.map((item) => item.stock_code))
+      const preferredWarningCode =
+        warningResult.find((item) => watchlistCodeSet.has(item.stock_code))?.stock_code ??
+        warningResult[0]?.stock_code ??
+        ''
+      const preferredStockCode = watchlist.value[0]?.stock_code ?? preferredWarningCode
+
+      if (preferredWarningCode) {
+        selectedWarningCode.value = preferredWarningCode
+      }
       if (preferredStockCode) {
-        selectedWarningCode.value = preferredStockCode
         selectedStockCode.value = preferredStockCode
       }
     } catch (error) {
diff --git a/frontend/src/utils/format.ts b/frontend/src/utils/format.ts
index 5be145d..264621a 100644
--- a/frontend/src/utils/format.ts
+++ b/frontend/src/utils/format.ts
@@ -11,9 +11,10 @@ export function warningTone(level: string): 'red' | 'orange' | 'gold' {
 }
 
 export function priceTone(value: string | null | undefined): 'rise' | 'fall' | 'flat' {
-  if (!value) return 'flat'
-  if (String(value).startsWith('-')) return 'fall'
-  if (String(value).startsWith('+') || Number(value) > 0) return 'rise'
+  const parsed = numberFromText(value)
+  if (parsed === null) return 'flat'
+  if (parsed < 0) return 'fall'
+  if (parsed > 0) return 'rise'
   return 'flat'
 }