diff --git a/app/api/product-planning/analyze-image/route.ts b/app/api/product-planning/analyze-image/route.ts
index b1fcbc14f..370708af4 100644
--- a/app/api/product-planning/analyze-image/route.ts
+++ b/app/api/product-planning/analyze-image/route.ts
@@ -2,6 +2,10 @@ import { generateText } from "ai";
 import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
 import { inlineVisionImages } from "@/lib/ai/vision-inline";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { resolveProductPlanningVisionModel } from "@/lib/product-planning/model-runtime";
 import {
   isProductPlanningEnabled,
@@ -50,6 +54,10 @@ function buildImageAnalyzePrompt(params: { itemId: string; title?: string }) {
 }
 
 export async function POST(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "未登录");
diff --git a/app/api/product-planning/analyze-sku/route.ts b/app/api/product-planning/analyze-sku/route.ts
index d2cbed9aa..7ef4fe50d 100644
--- a/app/api/product-planning/analyze-sku/route.ts
+++ b/app/api/product-planning/analyze-sku/route.ts
@@ -2,6 +2,10 @@ import { generateText } from "ai";
 import { NextRequest, NextResponse } from "next/server";
 import { z } from "zod";
 import { buildProductPlanningSkuAnalyzePrompt } from "@/lib/product-planning/analyze";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { resolveProductPlanningTextModel } from "@/lib/product-planning/model-runtime";
 import {
   isProductPlanningEnabled,
@@ -39,6 +43,10 @@ function jsonError(status: number, error: string) {
 }
 
 export async function POST(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "未登录");
diff --git a/app/api/product-planning/jd/item/route.ts b/app/api/product-planning/jd/item/route.ts
index 2d5a5d7de..b6e80be48 100644
--- a/app/api/product-planning/jd/item/route.ts
+++ b/app/api/product-planning/jd/item/route.ts
@@ -1,4 +1,8 @@
 import { NextRequest, NextResponse } from "next/server";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { getResolvedProductPlanningApiConfig } from "@/lib/product-planning/server-config";
 import {
   isProductPlanningEnabled,
@@ -19,6 +23,10 @@ function jsonError(status: number, error: string) {
 }
 
 export async function GET(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "未登录");
diff --git a/app/api/product-planning/keyword-insight/route.ts b/app/api/product-planning/keyword-insight/route.ts
index 2195bde2b..54fcd1ccb 100644
--- a/app/api/product-planning/keyword-insight/route.ts
+++ b/app/api/product-planning/keyword-insight/route.ts
@@ -1,4 +1,8 @@
 import { NextRequest, NextResponse } from "next/server";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { getResolvedProductPlanningApiConfig } from "@/lib/product-planning/server-config";
 import {
   isProductPlanningEnabled,
@@ -80,6 +84,10 @@ function normalizeGroups(items: unknown) {
 }
 
 export async function GET(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, "", PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "", "未登录");
diff --git a/app/api/product-planning/taobao/item/route.ts b/app/api/product-planning/taobao/item/route.ts
index e1c8b939a..e17faa2d8 100644
--- a/app/api/product-planning/taobao/item/route.ts
+++ b/app/api/product-planning/taobao/item/route.ts
@@ -1,4 +1,8 @@
 import { NextRequest, NextResponse } from "next/server";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { getResolvedProductPlanningApiConfig } from "@/lib/product-planning/server-config";
 import {
   isProductPlanningEnabled,
@@ -19,6 +23,10 @@ function jsonError(status: number, error: string) {
 }
 
 export async function GET(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "未登录");
diff --git a/app/api/product-planning/taobao/month-sale/route.ts b/app/api/product-planning/taobao/month-sale/route.ts
index 22b7e4b4d..c16648d9e 100644
--- a/app/api/product-planning/taobao/month-sale/route.ts
+++ b/app/api/product-planning/taobao/month-sale/route.ts
@@ -1,4 +1,8 @@
 import { NextRequest, NextResponse } from "next/server";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import { getResolvedProductPlanningApiConfig } from "@/lib/product-planning/server-config";
 import {
   isProductPlanningEnabled,
@@ -21,6 +25,10 @@ function jsonError(status: number, itemId: string, error: string) {
 }
 
 export async function GET(request: NextRequest) {
+  if (PRODUCT_PLANNING_ADVANCED_DISABLED) {
+    return jsonError(503, "", PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+  }
+
   const token = await getProductPlanningToken(request);
   if (!token?.sub) {
     return jsonError(401, "", "未登录");
diff --git a/components/product-planning/product-planning-page.tsx b/components/product-planning/product-planning-page.tsx
index 11cb406ce..80bf0a920 100644
--- a/components/product-planning/product-planning-page.tsx
+++ b/components/product-planning/product-planning-page.tsx
@@ -32,6 +32,10 @@ import {
   downloadMarkdownFile,
   downloadSalesWorkbook,
 } from "@/lib/product-planning/export";
+import {
+  PRODUCT_PLANNING_ADVANCED_DISABLED,
+  PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE,
+} from "@/lib/product-planning/advanced-disabled";
 import {
   parseKeywordInputFile,
   parseManualSegmentationFile,
@@ -1076,6 +1080,13 @@ export function ProductPlanningPage({
     void loadTemplates();
   }, []);
 
+  useEffect(() => {
+    if (PRODUCT_PLANNING_ADVANCED_DISABLED && mainTab === "advanced") {
+      setMainTab("keywords");
+      toast.info(PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+    }
+  }, [mainTab]);
+
   useEffect(() => {
     try {
       const raw = sessionStorage.getItem(PRODUCT_PLANNING_SESSION_KEY);
@@ -1092,7 +1103,13 @@ export function ProductPlanningPage({
         return;
       }
 
-      if (typeof parsed.mainTab === "string") setMainTab(parsed.mainTab);
+      if (typeof parsed.mainTab === "string") {
+        setMainTab(
+          PRODUCT_PLANNING_ADVANCED_DISABLED && parsed.mainTab === "advanced"
+            ? "keywords"
+            : parsed.mainTab
+        );
+      }
       if (typeof parsed.manualSegmentationMode === "boolean") {
         setManualSegmentationMode(parsed.manualSegmentationMode);
       }
@@ -2325,7 +2342,17 @@ export function ProductPlanningPage({
           </CardContent>
         </Card>
 
-        <Tabs onValueChange={setMainTab} value={mainTab}>
+        <Tabs
+          onValueChange={(value) => {
+            if (PRODUCT_PLANNING_ADVANCED_DISABLED && value === "advanced") {
+              toast.info(PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE);
+              setMainTab("keywords");
+              return;
+            }
+            setMainTab(value);
+          }}
+          value={mainTab}
+        >
           <TabsList className="mb-6 h-auto w-full justify-start gap-6 rounded-none border-border border-b bg-transparent p-0">
             <TabsTrigger
               className="rounded-none px-1 py-3 font-medium text-muted-foreground text-sm transition-none data-[state=active]:border-primary data-[state=active]:border-b-2 data-[state=active]:bg-transparent data-[state=active]:text-foreground data-[state=active]:shadow-none"
@@ -2339,12 +2366,14 @@ export function ProductPlanningPage({
             >
               评价 / 问大家分析
             </TabsTrigger>
-            <TabsTrigger
-              className="rounded-none px-1 py-3 font-medium text-muted-foreground text-sm transition-none data-[state=active]:border-primary data-[state=active]:border-b-2 data-[state=active]:bg-transparent data-[state=active]:text-foreground data-[state=active]:shadow-none"
-              value="advanced"
-            >
-              拓展分析
-            </TabsTrigger>
+            {PRODUCT_PLANNING_ADVANCED_DISABLED ? null : (
+              <TabsTrigger
+                className="rounded-none px-1 py-3 font-medium text-muted-foreground text-sm transition-none data-[state=active]:border-primary data-[state=active]:border-b-2 data-[state=active]:bg-transparent data-[state=active]:text-foreground data-[state=active]:shadow-none"
+                value="advanced"
+              >
+                拓展分析
+              </TabsTrigger>
+            )}
           </TabsList>
 
           <TabsContent className="space-y-6" value="keywords">
diff --git a/lib/product-planning/advanced-disabled.ts b/lib/product-planning/advanced-disabled.ts
new file mode 100644
index 000000000..338da8fd3
--- /dev/null
+++ b/lib/product-planning/advanced-disabled.ts
@@ -0,0 +1,4 @@
+export const PRODUCT_PLANNING_ADVANCED_DISABLED = true;
+
+export const PRODUCT_PLANNING_ADVANCED_DISABLED_MESSAGE =
+  "商品策划工具「拓展分析」功能临时维护中，请稍后再试。";