diff --git a/backend/dist/admin.html b/backend/dist/admin.html
index 3ffcc9c..e869f52 100644
--- a/backend/dist/admin.html
+++ b/backend/dist/admin.html
@@ -334,7 +334,7 @@ function renderReports(list) {
   document.getElementById('recentBody').innerHTML = list.map(r =>
     `<tr>
       <td>${r.trade_date}</td>
-      <td><a href="/ai-analysis" target="_blank" style="color:var(--primary);text-decoration:none">${r.title || '-'}</a></td>
+      <td><a href="/ai-analysis?date=${r.trade_date}" target="_blank" style="color:var(--primary);text-decoration:none">${r.title || '-'}</a></td>
       <td>${r.tokens_used || 0}</td>
     </tr>`
   ).join('') || '<tr><td colspan="3" style="color:var(--muted-foreground);text-align:center">暂无数据</td></tr>';
@@ -349,7 +349,7 @@ function renderAllReports(list) {
       <td>${r.tokens_used || 0}</td>
       <td>${r.created_at || '-'}</td>
       <td style="white-space:nowrap">
-        <a href="/ai-analysis" target="_blank" class="btn btn-ghost btn-sm" style="padding:3px 10px;font-size:11px;text-decoration:none">查看</a>
+        <a href="/ai-analysis?date=${r.trade_date}" target="_blank" class="btn btn-ghost btn-sm" style="padding:3px 10px;font-size:11px;text-decoration:none">查看</a>
         <button class="btn btn-destructive btn-sm" style="padding:3px 10px;font-size:11px" onclick="deleteReport(${r.id})">删除</button>
       </td>
     </tr>`
diff --git a/backend/routes/ai_analysis.py b/backend/routes/ai_analysis.py
index 5ebe5ce..c69f03d 100644
--- a/backend/routes/ai_analysis.py
+++ b/backend/routes/ai_analysis.py
@@ -77,6 +77,29 @@ async def list_reports():
         conn.close()
 
 
+@router.get("/ai-analysis/by-date/{trade_date}", summary="按交易日获取 AI 分析报告")
+async def get_report_by_date(trade_date: str):
+    try:
+        datetime.strptime(trade_date, "%Y-%m-%d")
+    except ValueError:
+        raise HTTPException(status_code=400, detail="日期格式错误，应为 YYYY-MM-DD")
+    conn = get_connection()
+    try:
+        row = conn.execute(
+            """SELECT r.*,
+                      (SELECT COUNT(*) FROM ai_reports WHERE trade_date <= r.trade_date) AS issue_number
+               FROM ai_reports r WHERE r.trade_date = ? AND r.report_type = 'daily' LIMIT 1""",
+            (trade_date,)
+        ).fetchone()
+        if not row:
+            raise HTTPException(status_code=404, detail=f"{trade_date} 暂无分析报告")
+        item = dict_from_row(row)
+        item["toolsUsed"] = json.loads(item.pop("tools_used") or "[]")
+        return JSONResponse({"data": item}, headers=_NO_CACHE_HEADERS)
+    finally:
+        conn.close()
+
+
 @router.get("/ai-analysis/{report_id}", summary="AI 分析报告详情")
 async def get_report(report_id: int):
     conn = get_connection()
diff --git a/src/lib/ai-analysis-api.ts b/src/lib/ai-analysis-api.ts
index 8ea6a6c..72d2e4c 100644
--- a/src/lib/ai-analysis-api.ts
+++ b/src/lib/ai-analysis-api.ts
@@ -35,6 +35,13 @@ export async function fetchAiReports(): Promise<AiReport[]> {
   return result.data || [];
 }
 
+export async function fetchAiReportByDate(tradeDate: string): Promise<AiReport> {
+  const resp = await fetch(`${API_BASE}/api/ai-analysis/by-date/${tradeDate}`);
+  if (!resp.ok) throw new Error(`请求失败 (${resp.status})`);
+  const result = await resp.json();
+  return result.data;
+}
+
 export async function fetchAiReport(id: number): Promise<AiReport> {
   const resp = await fetch(`${API_BASE}/api/ai-analysis/${id}`);
   if (!resp.ok) throw new Error(`请求失败 (${resp.status})`);
diff --git a/src/routes/ai-analysis.tsx b/src/routes/ai-analysis.tsx
index 4b44bb8..18b1bcc 100644
--- a/src/routes/ai-analysis.tsx
+++ b/src/routes/ai-analysis.tsx
@@ -1,15 +1,22 @@
 import * as React from "react";
-import { Link, createFileRoute } from "@tanstack/react-router";
+import { Link, createFileRoute, useNavigate } from "@tanstack/react-router";
 import { ArrowLeft, Clock, Loader2, AlertCircle, Wrench, Calendar } from "lucide-react";
 import { useQuery } from "@tanstack/react-query";
 import Markdown from "react-markdown";
 import remarkGfm from "remark-gfm";
 import type { Components } from "react-markdown";
 import { Mermaid } from "../components/Mermaid";
-import { fetchAiLatestReport } from "../lib/ai-analysis-api";
+import { fetchAiLatestReport, fetchAiReportByDate, fetchAiReports } from "../lib/ai-analysis-api";
 import { Card, CardContent } from "../components/ui/card";
 
 export const Route = createFileRoute("/ai-analysis")({
+  validateSearch: (search: Record<string, unknown>) => {
+    return {
+      date: typeof search.date === "string" ? search.date : undefined,
+      // 兼容 ?data=YYYY-MM-DD 写法
+      data: typeof search.data === "string" ? search.data : undefined,
+    };
+  },
   component: AiAnalysisPage,
 });
 
@@ -62,12 +69,29 @@ function splitReport(content: string): { intro: string; sections: { title: strin
 }
 
 function AiAnalysisPage() {
+  const navigate = useNavigate();
+  const { date, data } = Route.useSearch();
+  const tradeDate = date ?? data ?? undefined;
+  const isHistorical = !!tradeDate;
+
   const { data: report, isLoading, isError } = useQuery({
-    queryKey: ["ai-report-latest"],
-    queryFn: fetchAiLatestReport,
+    queryKey: isHistorical ? ["ai-report", tradeDate] : ["ai-report-latest"],
+    queryFn: () => (isHistorical ? fetchAiReportByDate(tradeDate!) : fetchAiLatestReport()),
     retry: false,
   });
 
+  const { data: history = [] } = useQuery({
+    queryKey: ["ai-reports"],
+    queryFn: fetchAiReports,
+    retry: false,
+  });
+
+  const goDate = (d?: string) => {
+    navigate({ to: "/ai-analysis", search: d ? { date: d } : {} });
+  };
+
+  const selectedDate = tradeDate ?? report?.trade_date ?? "";
+
   const mdComponents: Components = {
     table({ children, ...props }) {
       return (
@@ -96,17 +120,34 @@ function AiAnalysisPage() {
     <div className="min-h-screen bg-background text-foreground">
       <div className="max-w-4xl mx-auto px-3 sm:px-4 py-4 sm:py-6">
         {/* Header */}
-        <div className="flex items-center gap-2 sm:gap-3 mb-4 sm:mb-6">
-          <Link to="/" className="text-muted-foreground hover:text-foreground transition-colors">
-            <ArrowLeft className="h-5 w-5" />
-          </Link>
-          <h1 className="text-lg sm:text-xl md:text-2xl font-bold flex items-center gap-2">
-            <Calendar className="h-5 w-5 text-primary" />
-            AI 收盘分析
-            {report?.issue_number ? (
-              <span className="text-xs font-normal text-muted-foreground">总第 {report.issue_number} 期</span>
-            ) : null}
-          </h1>
+        <div className="flex items-center justify-between gap-2 sm:gap-3 mb-4 sm:mb-6">
+          <div className="flex items-center gap-2 sm:gap-3 min-w-0">
+            <Link to="/" className="text-muted-foreground hover:text-foreground transition-colors shrink-0">
+              <ArrowLeft className="h-5 w-5" />
+            </Link>
+            <h1 className="text-lg sm:text-xl md:text-2xl font-bold flex items-center gap-2 truncate">
+              <Calendar className="h-5 w-5 text-primary shrink-0" />
+              AI 收盘分析
+              {report?.issue_number ? (
+                <span className="text-xs font-normal text-muted-foreground whitespace-nowrap">总第 {report.issue_number} 期</span>
+              ) : null}
+            </h1>
+          </div>
+          {history.length > 0 && (
+            <select
+              value={history.some((h) => h.trade_date === selectedDate) ? selectedDate : ""}
+              onChange={(e) => goDate(e.target.value || undefined)}
+              className="text-xs sm:text-sm border border-border rounded-md bg-background px-2 py-1.5 text-foreground shrink-0"
+              aria-label="选择历史报告日期"
+            >
+              <option value="">最新</option>
+              {history.map((h) => (
+                <option key={h.id} value={h.trade_date}>
+                  {h.trade_date}
+                </option>
+              ))}
+            </select>
+          )}
         </div>
 
         {/* Content */}
@@ -118,8 +159,20 @@ function AiAnalysisPage() {
         ) : isError || !report ? (
           <div className="flex flex-col items-center gap-3 py-20">
             <AlertCircle className="h-6 w-6 text-destructive" />
-            <p className="text-sm text-muted-foreground">暂无分析报告</p>
-            <p className="text-xs text-muted-foreground/60">请通过管理面板触发 AI 分析</p>
+            <p className="text-sm text-muted-foreground">
+              {isHistorical ? `${tradeDate} 暂无分析报告` : "暂无分析报告"}
+            </p>
+            {isHistorical ? (
+              <Link
+                to="/ai-analysis"
+                search={{}}
+                className="text-xs text-primary hover:underline"
+              >
+                查看最新报告
+              </Link>
+            ) : (
+              <p className="text-xs text-muted-foreground/60">请通过管理面板触发 AI 分析</p>
+            )}
           </div>
         ) : (
           <>