diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 43bca9e08..484fea4d3 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -2311,6 +2311,10 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
   }, []);
   const totalGeneratedImages = Number(userImageStats?.totalImages ?? NaN);
   const aiDetailGenerationEnabled = siteSettings?.aiDetailGenerationEnabled === true;
+  const shouldShowCanvasBanner =
+    !isDetailGenerationMode &&
+    (siteSettings?.bannerEnabled ?? true) &&
+    Boolean(siteSettings?.bannerText || "升级会员, Nano Banana Pro 免费365天!");
   const canvasSkillTagsEnabled = canvasSkillTagsData?.enabled !== false;
   const canvasSkillTagsTitle =
     String(canvasSkillTagsData?.title || "").trim() || DEFAULT_CANVAS_SKILL_TAGS_TITLE;
@@ -6366,29 +6370,6 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
                 </p>
               </div>
 
-              {/* 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(
-                    "mb-6 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>
-                  <X className="h-4 w-4 cursor-pointer opacity-50 hover:opacity-100" onClick={(e) => e.stopPropagation()} />
-                </div>
-              )}
-
               {canvasSkillTags.length > 0 && (
                 <div className="mb-8 rounded-3xl border border-[#eceef2] bg-white/90 p-4">
                   <div className="mb-3 text-center">
@@ -6957,6 +6938,30 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
         </div>,
         document.body
       )}
+
+      {renderableVisibleMessages.length === 0 && shouldShowCanvasBanner ? (
+        <div className="px-4 pb-2">
+          <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>
+            <X className="h-4 w-4 cursor-pointer opacity-50 hover:opacity-100" onClick={(e) => e.stopPropagation()} />
+          </div>
+        </div>
+      ) : null}
       
       {/* 底部输入区域 - 混合输入（图片标签+文字可自由混合） */}
       <div className="p-4 bg-white dark:bg-zinc-950 border-t">