diff --git a/app/(admin)/settings/admin-settings-client.tsx b/app/(admin)/settings/admin-settings-client.tsx
index 89e63f6..f5b2c00 100644
--- a/app/(admin)/settings/admin-settings-client.tsx
+++ b/app/(admin)/settings/admin-settings-client.tsx
@@ -152,6 +152,9 @@ type SiteSettings = {
   usageTimeEnd: string;
   usageTimeMessage: string;
   defaultTheme: "light" | "dark" | "system";
+  bannerEnabled: boolean;
+  bannerText: string;
+  bannerLink: string | null;
 };
 
 type NavLink = {
@@ -342,6 +345,9 @@ export function AdminSettingsClient() {
     usageTimeEnd: "20:00",
     usageTimeMessage: "由壹点累了也是需要休息的",
     defaultTheme: "system",
+    bannerEnabled: true,
+    bannerText: "升级会员, Nano Banana Pro 免费365天!",
+    bannerLink: null,
   });
 
   useEffect(() => {
@@ -357,6 +363,9 @@ export function AdminSettingsClient() {
         usageTimeEnd: siteSettingsData.usageTimeEnd || "20:00",
         usageTimeMessage: siteSettingsData.usageTimeMessage || "由壹点累了也是需要休息的",
         defaultTheme: siteSettingsData.defaultTheme || "system",
+        bannerEnabled: siteSettingsData.bannerEnabled ?? true,
+        bannerText: siteSettingsData.bannerText || "升级会员, Nano Banana Pro 免费365天!",
+        bannerLink: siteSettingsData.bannerLink || null,
       });
     }
   }, [siteSettingsData]);
@@ -2394,6 +2403,48 @@ export function AdminSettingsClient() {
                     </div>
                   </>
                 )}
+
+                {/* 广告横幅设置 */}
+                <div className="border-t pt-4">
+                  <div className="flex items-center justify-between mb-4">
+                    <div className="space-y-0.5">
+                      <Label htmlFor="bannerEnabled">广告横幅</Label>
+                      <div className="text-sm text-muted-foreground">
+                        在无限画布等页面的聊天面板中显示广告横幅
+                      </div>
+                    </div>
+                    <Switch
+                      id="bannerEnabled"
+                      checked={siteSettings.bannerEnabled}
+                      onCheckedChange={(checked) => setSiteSettings({ ...siteSettings, bannerEnabled: checked })}
+                    />
+                  </div>
+                  {siteSettings.bannerEnabled && (
+                    <>
+                      <div className="space-y-2">
+                        <Label htmlFor="bannerText">横幅文字</Label>
+                        <Input
+                          id="bannerText"
+                          value={siteSettings.bannerText}
+                          onChange={(e) => setSiteSettings({ ...siteSettings, bannerText: e.target.value })}
+                          placeholder="输入横幅显示的文字"
+                        />
+                      </div>
+                      <div className="space-y-2 mt-3">
+                        <Label htmlFor="bannerLink">横幅链接（可选）</Label>
+                        <Input
+                          id="bannerLink"
+                          value={siteSettings.bannerLink || ""}
+                          onChange={(e) => setSiteSettings({ ...siteSettings, bannerLink: e.target.value || null })}
+                          placeholder="输入点击横幅后跳转的链接"
+                        />
+                        <div className="text-xs text-muted-foreground">
+                          如果不填写链接，点击横幅将不会跳转
+                        </div>
+                      </div>
+                    </>
+                  )}
+                </div>
               </div>
               <Button onClick={handleSaveSiteSettings}>
                 <Save className="mr-2 h-4 w-4" /> 保存设置
diff --git a/app/api/site-settings/route.ts b/app/api/site-settings/route.ts
index 646e341..b3812c3 100644
--- a/app/api/site-settings/route.ts
+++ b/app/api/site-settings/route.ts
@@ -31,6 +31,9 @@ export async function GET() {
         usageTimeStart: "08:00",
         usageTimeEnd: "20:00",
         usageTimeMessage: "由壹点累了也是需要休息的",
+        bannerEnabled: true,
+        bannerText: "升级会员, Nano Banana Pro 免费365天!",
+        bannerLink: null,
     };
     
     const response = NextResponse.json({
@@ -64,6 +67,9 @@ const updateSchema = z.object({
   usageTimeStart: z.string().length(5).optional(),
   usageTimeEnd: z.string().length(5).optional(),
   usageTimeMessage: z.string().optional(),
+  bannerEnabled: z.boolean().optional(),
+  bannerText: z.string().optional(),
+  bannerLink: z.string().nullable().optional(),
 });
 
 // PUT /api/site-settings - 更新网站设置（仅管理员）
@@ -113,6 +119,9 @@ export async function PUT(request: NextRequest) {
           usageTimeStart: data.usageTimeStart ?? "08:00",
           usageTimeEnd: data.usageTimeEnd ?? "20:00",
           usageTimeMessage: data.usageTimeMessage ?? "由壹点累了也是需要休息的",
+          bannerEnabled: data.bannerEnabled ?? true,
+          bannerText: data.bannerText ?? "升级会员, Nano Banana Pro 免费365天!",
+          bannerLink: data.bannerLink,
           updatedBy: session.user.id,
         })
         .returning();
diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index a1b74eb..2286956 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -109,6 +109,13 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
       supportsImageGen?: boolean;
     }>;
   }>("/api/models", fetcher);
+
+  // 获取网站设置（包含广告横幅配置）
+  const { data: siteSettings } = useSWR<{
+    bannerEnabled?: boolean;
+    bannerText?: string;
+    bannerLink?: string | null;
+  }>("/api/site-settings", fetcher);
   
   // 过滤支持图片生成的模型
   const imageModels = modelsData?.models?.filter(m => m.supportsImageGen) || [];
@@ -375,16 +382,28 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
               
               {/* Refresh - Removed */}
 
-              {/* Banner */}
-              <div className="bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-300 p-3 rounded-xl text-sm flex items-center justify-between">
-                <div className="flex items-center gap-2">
-                  <div className="p-1 bg-blue-100 dark:bg-blue-800 rounded">
-                    <Box className="h-4 w-4" />
+              {/* Banner - 从系统设置中获取 */}
+              {(siteSettings?.bannerEnabled ?? true) && (siteSettings?.bannerText || "升级会员, Nano Banana Pro 免费365天!") && (
+                <div 
+                  className={cn(
+                    "bg-blue-50 dark:bg-blue-900/20 text-blue-600 dark:text-blue-300 p-3 rounded-xl text-sm flex items-center justify-between",
+                    siteSettings?.bannerLink && "cursor-pointer hover:bg-blue-100 dark:hover:bg-blue-900/30 transition-colors"
+                  )}
+                  onClick={() => {
+                    if (siteSettings?.bannerLink) {
+                      window.open(siteSettings.bannerLink, '_blank');
+                    }
+                  }}
+                >
+                  <div className="flex items-center gap-2">
+                    <div className="p-1 bg-blue-100 dark:bg-blue-800 rounded">
+                      <Box className="h-4 w-4" />
+                    </div>
+                    <span>{siteSettings?.bannerText || "升级会员, Nano Banana Pro 免费365天!"}</span>
                   </div>
-                  <span>升级会员, Nano Banana Pro 免费365天!</span>
+                  <X className="h-4 w-4 cursor-pointer opacity-50 hover:opacity-100" onClick={(e) => e.stopPropagation()} />
                 </div>
-                <X className="h-4 w-4 cursor-pointer opacity-50 hover:opacity-100" />
-              </div>
+              )}
             </div>
           )}
           
diff --git a/lib/db/queries.ts b/lib/db/queries.ts
index 5cc0ba2..c233755 100644
--- a/lib/db/queries.ts
+++ b/lib/db/queries.ts
@@ -1510,9 +1510,27 @@ export async function getSubModelsByParentModelId(parentModelId: string) {
 export async function getSiteSettings() {
   try {
     const [settings] = await db.select().from(siteSettings).limit(1);
-    return settings || { siteName: "AI Chatbot", siteLogo: null, siteLogoDark: null, favicon: null, defaultTheme: "system" };
+    return settings || { 
+      siteName: "AI Chatbot", 
+      siteLogo: null, 
+      siteLogoDark: null, 
+      favicon: null, 
+      defaultTheme: "system",
+      bannerEnabled: true,
+      bannerText: "升级会员, Nano Banana Pro 免费365天!",
+      bannerLink: null
+    };
   } catch (_error) {
-    return { siteName: "AI Chatbot", siteLogo: null, siteLogoDark: null, favicon: null, defaultTheme: "system" };
+    return { 
+      siteName: "AI Chatbot", 
+      siteLogo: null, 
+      siteLogoDark: null, 
+      favicon: null, 
+      defaultTheme: "system",
+      bannerEnabled: true,
+      bannerText: "升级会员, Nano Banana Pro 免费365天!",
+      bannerLink: null
+    };
   }
 }
 
diff --git a/lib/db/schema.ts b/lib/db/schema.ts
index ea2ce5a..506f132 100644
--- a/lib/db/schema.ts
+++ b/lib/db/schema.ts
@@ -292,6 +292,10 @@ export const siteSettings = pgTable("SiteSettings", {
   usageTimeStart: varchar("usageTimeStart", { length: 5 }).default("08:00"), // 开始时间（HH:mm）
   usageTimeEnd: varchar("usageTimeEnd", { length: 5 }).default("20:00"), // 结束时间（HH:mm）
   usageTimeMessage: text("usageTimeMessage").default("由壹点累了也是需要休息的"), // 超时提示词
+  // 广告横幅设置
+  bannerEnabled: boolean("bannerEnabled").notNull().default(true), // 是否显示广告横幅
+  bannerText: text("bannerText").default("升级会员, Nano Banana Pro 免费365天!"), // 广告横幅文字
+  bannerLink: text("bannerLink"), // 广告横幅链接（可选）
   updatedAt: timestamp("updatedAt").notNull().defaultNow(),
   updatedBy: uuid("updatedBy").references(() => user.id),
 });