diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 73c29b602..200455f2f 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -1689,6 +1689,7 @@ export function CanvasChatPanel({
   workflowContext = null,
   presentation = "panel",
 }: CanvasChatPanelProps) {
+  const isWorkspacePresentation = presentation === "workspace";
   const { data: session } = useSession();
   const [input, setInput] = useState("");
   const [attachments, setAttachments] = useState<PickedObjectAttachment[]>([]);
@@ -2836,6 +2837,12 @@ export function CanvasChatPanel({
       setSelectedSkillTagId(null);
     }
   }, [canvasSkillTags, selectedSkillTagId]);
+
+  useEffect(() => {
+    if (!isWorkspacePresentation) return;
+    if (!selectedSkillTagId) return;
+    setSelectedSkillTagId(null);
+  }, [isWorkspacePresentation, selectedSkillTagId]);
   
   const VIDEO_PROVIDER_TYPES = new Set(["volcano-video", "doubao-video", "qianwen-video", "fal-video", "ruxa-video"]);
   const visualModels = useMemo(() => {
@@ -7673,16 +7680,22 @@ export function CanvasChatPanel({
     input.trim() || attachments.length > 0 || (!isDetailGenerationMode && selectedSkillTag)
   );
   const hasEnoughAgentUploads = !hasAgentUploadSlots || attachments.length >= agentRequiredUploadCount;
-  const composerPlaceholder = isDetailGenerationMode
-    ? "可选补充：风格、情绪氛围、禁用元素、期望生成张数（如：生成8张）"
-    : activeComposerMode === "agent" && selectedAgentPreset?.type === "text"
-      ? "可上传图片做分析，也可直接输入文案需求"
-    : hasAgentUploadSlots
-      ? "请先上传产品图1、产品图2、模特图，再补充说明"
-    : selectedSkillTag?.placeholder?.trim() ||
-      (selectedSkillTag
-        ? `请输入「${selectedSkillTag.name}」相关需求`
-        : canvasDynamicPlaceholder || "请输入你的设计需求，例如：绿色椅子 替换 Image");
+  const composerPlaceholder = isWorkspacePresentation
+    ? isDetailGenerationMode
+      ? "可选补充：风格、情绪氛围、禁用元素、期望生成张数（如：生成8张）"
+      : hasAgentUploadSlots
+        ? "可选补充本次生图要求，例如：高级感、暖灰色、近景特写、生成3张。"
+        : "可选补充本次生成要求，例如：更高级、更生活化、暖调灯光。"
+    : isDetailGenerationMode
+      ? "可选补充：风格、情绪氛围、禁用元素、期望生成张数（如：生成8张）"
+      : activeComposerMode === "agent" && selectedAgentPreset?.type === "text"
+        ? "可上传图片做分析，也可直接输入文案需求"
+      : hasAgentUploadSlots
+        ? "请先上传产品图1、产品图2、模特图，再补充说明"
+      : selectedSkillTag?.placeholder?.trim() ||
+        (selectedSkillTag
+          ? `请输入「${selectedSkillTag.name}」相关需求`
+          : canvasDynamicPlaceholder || "请输入你的设计需求，例如：绿色椅子 替换 Image");
   const detailProductCount = DETAIL_PRODUCT_SLOT_INDEXES.filter((index) => Boolean(detailSlots[index]?.url)).length;
   const detailModelReady = DETAIL_MODEL_SLOT_INDEX >= 0 ? Boolean(detailSlots[DETAIL_MODEL_SLOT_INDEX]?.url) : false;
   const detailBundleCount = DETAIL_BUNDLE_SLOT_INDEXES.filter((index) => Boolean(detailSlots[index]?.url)).length;
@@ -7798,6 +7811,16 @@ export function CanvasChatPanel({
     renderableVisibleMessages.length === 0 &&
     !isLoading &&
     !shouldShowImageLoading;
+  const workspaceEmptyTitle = !selectedAgentPresetId
+    ? "请先在左侧选择生图模式"
+    : hasAgentUploadSlots && attachments.length < agentRequiredUploadCount
+      ? `请先补齐图片槽位（${attachments.length}/${agentRequiredUploadCount}）`
+      : "准备开始生成";
+  const workspaceEmptyDescription = !selectedAgentPresetId
+    ? "选择生图模式后，这里会显示生成结果。"
+    : hasAgentUploadSlots && attachments.length < agentRequiredUploadCount
+      ? "从左侧 SKU / SPU 获取图片，或在下方继续上传替换后，再点击开始生成。"
+      : "可在下方补充要求后点击开始生成，结果会显示在这里。";
 
   const renderModelSelectContent = () => (
     <SelectContent className="w-[238px] max-h-[340px] overflow-hidden rounded-[18px] border border-[#cfd4dc] bg-[#f3f4f6]/90 p-1.5 shadow-[0_8px_20px_rgba(15,23,42,0.13)]">
@@ -7884,7 +7907,6 @@ export function CanvasChatPanel({
     const fallbackTitle = String(projectTitle || "").trim();
     return fallbackTitle || "未命名画布";
   }, [activeSessionTitle, projectTitle]);
-  const isWorkspacePresentation = presentation === "workspace";
 
   return (
     <div
@@ -8042,88 +8064,124 @@ export function CanvasChatPanel({
         )}
       >
         <div className="space-y-6 overflow-x-hidden pb-24 pr-1">
-          {!isDetailGenerationMode && renderableVisibleMessages.length === 0 && (
-            <div className={cn("flex flex-col h-full", isDetailGenerationMode ? "pt-0" : "pt-4")}>
-              {/* Greeting */}
-              <div className={cn(isDetailGenerationMode ? "mb-4" : "mb-8")}>
-                <h1 className="mb-2 text-2xl font-bold">
-                  <span>Hi</span>
-                  {greetingUserName ? (
-                    <>
-                      <span>, </span>
-                      <span className="text-blue-600">{greetingUserName}</span>
-                      <span> {greetingPeriodText}</span>
-                    </>
-                  ) : (
-                    <span> {greetingPeriodText}</span>
-                  )}
-                </h1>
-                <p className="text-muted-foreground">
-                  开始创作吧!
-                  {Number.isFinite(totalGeneratedImages) ? (
-                    <>
-                      {" "}累计为你生成了{" "}
-                      <span className="text-blue-600 font-semibold">
-                        {totalGeneratedImages.toLocaleString()}
-                      </span>{" "}
-                      张图。
-                    </>
-                  ) : null}
-                </p>
-              </div>
-
-              {canvasSkillTags.length > 0 && (
-                <div className="mb-8 rounded-3xl border border-[#eceef2] bg-white/90 p-4">
-                  <div className="mb-3 text-center">
-                    <h3 className="text-[16px] font-semibold text-[#1f2937]">{canvasSkillTagsTitle}</h3>
+          {!isDetailGenerationMode && renderableVisibleMessages.length === 0 ? (
+            isWorkspacePresentation ? (
+              <div className="flex h-full min-h-[360px] items-center justify-center">
+                <div className="w-full max-w-3xl rounded-[28px] border border-dashed border-[#d7dce5] bg-white/78 p-10 text-center shadow-sm backdrop-blur-sm dark:border-white/10 dark:bg-zinc-900/60">
+                  <div className="mx-auto mb-4 flex h-14 w-14 items-center justify-center rounded-2xl bg-[#eef2ff] text-[#4f46e5] dark:bg-[#312e81]/40 dark:text-[#a5b4fc]">
+                    <Sparkles className="h-6 w-6" />
                   </div>
-                  <div className="grid grid-cols-3 gap-2">
-                    {canvasSkillTags.map((tag) => {
-                      const isActive = selectedSkillTag?.id === tag.id;
-                      const TagIcon = getCanvasSkillIconComponent(tag.iconName);
-                      return (
-                        <button
-                          key={tag.id}
-                          type="button"
-                          onClick={() => {
-                            setSelectedSkillTagId(tag.id);
-                            const editor = textareaRef.current as HTMLDivElement | null;
-                            editor?.focus();
-                          }}
-                          className={cn(
-                            "inline-flex min-w-0 items-center justify-center gap-1.5 rounded-2xl border px-2 py-1.5 text-[13px] font-medium transition-colors",
-                            isActive
-                              ? "border-[#6d7fff] bg-[#eef1ff] text-[#3341a9]"
-                              : "border-[#e4e7ec] bg-white text-[#30343b] hover:border-[#d6dae3] hover:bg-[#fafbfc]"
-                          )}
+                  <div className="text-2xl font-semibold tracking-tight text-foreground">
+                    {workspaceEmptyTitle}
+                  </div>
+                  <div className="mt-3 text-sm leading-6 text-muted-foreground">
+                    {workspaceEmptyDescription}
+                  </div>
+                  {attachments.length > 0 ? (
+                    <div className="mt-6 flex flex-wrap justify-center gap-2">
+                      {attachments.map((attachment, index) => (
+                        <div
+                          key={`${attachment.url}-${index}`}
+                          className="overflow-hidden rounded-2xl border bg-white shadow-sm dark:bg-zinc-900"
                         >
-                          {tag.iconUrl ? (
-                            <img
-                              src={buildPreviewImageUrl(tag.iconUrl, 48)}
-                              alt={tag.name}
-                              className="h-3.5 w-3.5 rounded-sm object-cover"
-                              loading="lazy"
-                              decoding="async"
-                              onError={(event) => {
-                                if (event.currentTarget.src !== tag.iconUrl) {
-                                  event.currentTarget.src = tag.iconUrl || "";
-                                }
-                              }}
-                            />
-                          ) : (
-                            <TagIcon className="h-3.5 w-3.5 text-current opacity-70" />
-                          )}
-                          <span className="truncate">{tag.name}</span>
-                        </button>
-                      );
-                    })}
-                  </div>
+                          <img
+                            src={buildPreviewImageUrl(attachment.url, 160)}
+                            alt={attachment.name || `素材${index + 1}`}
+                            className="h-20 w-20 object-cover"
+                            loading="lazy"
+                            decoding="async"
+                            onError={(event) => {
+                              if (event.currentTarget.src !== attachment.url) {
+                                event.currentTarget.src = attachment.url;
+                              }
+                            }}
+                          />
+                        </div>
+                      ))}
+                    </div>
+                  ) : null}
                 </div>
-              )}
-              
-              {/* Refresh - Removed */}
-            </div>
-          )}
+              </div>
+            ) : (
+              <div className={cn("flex flex-col h-full", isDetailGenerationMode ? "pt-0" : "pt-4")}>
+                <div className={cn(isDetailGenerationMode ? "mb-4" : "mb-8")}>
+                  <h1 className="mb-2 text-2xl font-bold">
+                    <span>Hi</span>
+                    {greetingUserName ? (
+                      <>
+                        <span>, </span>
+                        <span className="text-blue-600">{greetingUserName}</span>
+                        <span> {greetingPeriodText}</span>
+                      </>
+                    ) : (
+                      <span> {greetingPeriodText}</span>
+                    )}
+                  </h1>
+                  <p className="text-muted-foreground">
+                    开始创作吧!
+                    {Number.isFinite(totalGeneratedImages) ? (
+                      <>
+                        {" "}累计为你生成了{" "}
+                        <span className="text-blue-600 font-semibold">
+                          {totalGeneratedImages.toLocaleString()}
+                        </span>{" "}
+                        张图。
+                      </>
+                    ) : null}
+                  </p>
+                </div>
+
+                {canvasSkillTags.length > 0 && (
+                  <div className="mb-8 rounded-3xl border border-[#eceef2] bg-white/90 p-4">
+                    <div className="mb-3 text-center">
+                      <h3 className="text-[16px] font-semibold text-[#1f2937]">{canvasSkillTagsTitle}</h3>
+                    </div>
+                    <div className="grid grid-cols-3 gap-2">
+                      {canvasSkillTags.map((tag) => {
+                        const isActive = selectedSkillTag?.id === tag.id;
+                        const TagIcon = getCanvasSkillIconComponent(tag.iconName);
+                        return (
+                          <button
+                            key={tag.id}
+                            type="button"
+                            onClick={() => {
+                              setSelectedSkillTagId(tag.id);
+                              const editor = textareaRef.current as HTMLDivElement | null;
+                              editor?.focus();
+                            }}
+                            className={cn(
+                              "inline-flex min-w-0 items-center justify-center gap-1.5 rounded-2xl border px-2 py-1.5 text-[13px] font-medium transition-colors",
+                              isActive
+                                ? "border-[#6d7fff] bg-[#eef1ff] text-[#3341a9]"
+                                : "border-[#e4e7ec] bg-white text-[#30343b] hover:border-[#d6dae3] hover:bg-[#fafbfc]"
+                            )}
+                          >
+                            {tag.iconUrl ? (
+                              <img
+                                src={buildPreviewImageUrl(tag.iconUrl, 48)}
+                                alt={tag.name}
+                                className="h-3.5 w-3.5 rounded-sm object-cover"
+                                loading="lazy"
+                                decoding="async"
+                                onError={(event) => {
+                                  if (event.currentTarget.src !== tag.iconUrl) {
+                                    event.currentTarget.src = tag.iconUrl || "";
+                                  }
+                                }}
+                              />
+                            ) : (
+                              <TagIcon className="h-3.5 w-3.5 text-current opacity-70" />
+                            )}
+                            <span className="truncate">{tag.name}</span>
+                          </button>
+                        );
+                      })}
+                    </div>
+                  </div>
+                )}
+              </div>
+            )
+          ) : null}
           
           {renderableVisibleMessages.map((message, index) => {
             const assistantTextParts = message.role === "assistant"
@@ -8196,6 +8254,12 @@ export function CanvasChatPanel({
               (vote) => vote.messageId === message.id
             );
             const isVotingCurrentMessage = votingMessageId === message.id;
+
+            if (isWorkspacePresentation) {
+              if (message.role !== "assistant" || !hasAssistantMedia) {
+                return null;
+              }
+            }
             
             return (
               <div key={message.id} className="space-y-3">
@@ -8644,7 +8708,7 @@ export function CanvasChatPanel({
         document.body
       )}
 
-      {shouldShowCanvasBanner ? (
+      {!isWorkspacePresentation && shouldShowCanvasBanner ? (
         <div className="px-4 pb-2">
           <div
             className={cn(
@@ -8681,6 +8745,14 @@ export function CanvasChatPanel({
           className="relative flex flex-col bg-card rounded-3xl border transition-all duration-200 focus-within:border-primary/50 focus-within:bg-background"
           data-canvas-chat-input-anchor="true"
         >
+          {isWorkspacePresentation && !isDetailGenerationMode ? (
+            <div className="border-b px-5 py-3">
+              <div className="text-sm font-semibold text-foreground">补充要求</div>
+              <div className="mt-1 text-xs text-muted-foreground">
+                这里填写本次生图补充要求。图片槽位和生成结果都在当前工作台内完成，不再使用聊天对话方式。
+              </div>
+            </div>
+          ) : null}
           {isDetailGenerationMode && (
             <div
               className={cn(
@@ -9419,7 +9491,7 @@ export function CanvasChatPanel({
               isDetailGenerationMode ? "min-h-[72px]" : "min-h-[60px]"
             )}
           >
-            {!isDetailGenerationMode && selectedSkillTag && (
+            {!isWorkspacePresentation && !isDetailGenerationMode && selectedSkillTag && (
               <div className="mb-2 flex">
                 <button
                   type="button"
@@ -9466,7 +9538,7 @@ export function CanvasChatPanel({
                   </div>
                 ) : hasAgentUploadSlots ? (
                   <div className="inline-flex items-center rounded-full bg-[#f4f5f7] px-3 py-1.5 text-xs text-[#5b6472]">
-                    请上传产品图1、产品图2、模特图
+                    {isWorkspacePresentation ? "请确认产品图1、产品图2、模特图槽位" : "请上传产品图1、产品图2、模特图"}
                   </div>
                 ) : null}
               </div>
@@ -9714,92 +9786,94 @@ export function CanvasChatPanel({
                   }}
                 />
               ))}
-              <DropdownMenu>
-                <DropdownMenuTrigger asChild>
-                  <Button
-                    type="button"
-                    variant="ghost"
-                    className={cn(
-                      "relative h-8 cursor-pointer rounded-full px-3 text-sm font-medium",
-                      activeComposerMode === "video"
-                        ? "border border-blue-500 bg-blue-50 text-blue-600 hover:bg-blue-100"
-                        : activeComposerMode === "detail"
-                          ? "border border-violet-500 bg-violet-50 text-violet-700 hover:bg-violet-100"
-                        : activeComposerMode === "image"
-                          ? "border border-purple-500 bg-purple-50 text-purple-700 hover:bg-purple-100"
-                          : "border border-[#9eb3ff] bg-white text-zinc-700 hover:bg-zinc-50"
-                    )}
-                  >
-                    <span className="flex items-center">
-                      {activeComposerMode === "video" ? (
-                        <Video className="mr-1 h-4 w-4" />
-                      ) : activeComposerMode === "detail" ? (
-                        <LayoutGrid className="mr-1 h-4 w-4" />
-                      ) : activeComposerMode === "image" ? (
-                        <ImagePlus className="mr-1 h-4 w-4" />
-                      ) : (
-                        <Sparkles className="mr-1 h-4 w-4" />
-                      )}
-                      {activeModeLabel}
-                    </span>
-                  </Button>
-                </DropdownMenuTrigger>
-                <DropdownMenuContent
-                  align="start"
-                  side="top"
-                  sideOffset={10}
-                  className="w-[156px] rounded-xl border border-[#d6d9df] bg-[#f4f5f7]/90 p-1.5 shadow-[0_8px_18px_rgba(15,23,42,0.14)]"
-                >
-                  <DropdownMenuItem
-                    onClick={() => handleSelectGenerationMode("agent")}
-                    className={cn(
-                      "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
-                      activeComposerMode === "agent" ? "bg-white/80" : "hover:bg-white/70"
-                    )}
-                  >
-                    <Sparkles className="h-4 w-4" />
-                    <span className="flex-1">Agent</span>
-                    {activeComposerMode === "agent" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
-                  </DropdownMenuItem>
-                  {aiDetailGenerationEnabled ? (
-                    <DropdownMenuItem
-                      onClick={() => handleSelectGenerationMode("detail")}
+              {!isWorkspacePresentation ? (
+                <DropdownMenu>
+                  <DropdownMenuTrigger asChild>
+                    <Button
+                      type="button"
+                      variant="ghost"
                       className={cn(
-                        "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
-                        activeComposerMode === "detail" ? "bg-white/80" : "hover:bg-white/70"
+                        "relative h-8 cursor-pointer rounded-full px-3 text-sm font-medium",
+                        activeComposerMode === "video"
+                          ? "border border-blue-500 bg-blue-50 text-blue-600 hover:bg-blue-100"
+                          : activeComposerMode === "detail"
+                            ? "border border-violet-500 bg-violet-50 text-violet-700 hover:bg-violet-100"
+                          : activeComposerMode === "image"
+                            ? "border border-purple-500 bg-purple-50 text-purple-700 hover:bg-purple-100"
+                            : "border border-[#9eb3ff] bg-white text-zinc-700 hover:bg-zinc-50"
                       )}
                     >
-                      <LayoutGrid className="h-4 w-4" />
-                      <span className="flex-1">AI详情生成</span>
-                      {activeComposerMode === "detail" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
+                      <span className="flex items-center">
+                        {activeComposerMode === "video" ? (
+                          <Video className="mr-1 h-4 w-4" />
+                        ) : activeComposerMode === "detail" ? (
+                          <LayoutGrid className="mr-1 h-4 w-4" />
+                        ) : activeComposerMode === "image" ? (
+                          <ImagePlus className="mr-1 h-4 w-4" />
+                        ) : (
+                          <Sparkles className="mr-1 h-4 w-4" />
+                        )}
+                        {activeModeLabel}
+                      </span>
+                    </Button>
+                  </DropdownMenuTrigger>
+                  <DropdownMenuContent
+                    align="start"
+                    side="top"
+                    sideOffset={10}
+                    className="w-[156px] rounded-xl border border-[#d6d9df] bg-[#f4f5f7]/90 p-1.5 shadow-[0_8px_18px_rgba(15,23,42,0.14)]"
+                  >
+                    <DropdownMenuItem
+                      onClick={() => handleSelectGenerationMode("agent")}
+                      className={cn(
+                        "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
+                        activeComposerMode === "agent" ? "bg-white/80" : "hover:bg-white/70"
+                      )}
+                    >
+                      <Sparkles className="h-4 w-4" />
+                      <span className="flex-1">Agent</span>
+                      {activeComposerMode === "agent" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
                     </DropdownMenuItem>
-                  ) : null}
-                  <DropdownMenuItem
-                    onClick={() => handleSelectGenerationMode("image")}
-                    className={cn(
-                      "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
-                      activeComposerMode === "image" ? "bg-white/80" : "hover:bg-white/70"
-                    )}
-                  >
-                    <ImagePlus className="h-4 w-4" />
-                    <span className="flex-1">图像生成</span>
-                    {activeComposerMode === "image" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
-                  </DropdownMenuItem>
-                  <DropdownMenuItem
-                    onClick={() => handleSelectGenerationMode("video")}
-                    className={cn(
-                      "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
-                      activeComposerMode === "video" ? "bg-white/80" : "hover:bg-white/70"
-                    )}
-                  >
-                    <Video className="h-4 w-4" />
-                    <span className="flex-1">视频生成</span>
-                    {activeComposerMode === "video" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
-                  </DropdownMenuItem>
-                </DropdownMenuContent>
-              </DropdownMenu>
+                    {aiDetailGenerationEnabled ? (
+                      <DropdownMenuItem
+                        onClick={() => handleSelectGenerationMode("detail")}
+                        className={cn(
+                          "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
+                          activeComposerMode === "detail" ? "bg-white/80" : "hover:bg-white/70"
+                        )}
+                      >
+                        <LayoutGrid className="h-4 w-4" />
+                        <span className="flex-1">AI详情生成</span>
+                        {activeComposerMode === "detail" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
+                      </DropdownMenuItem>
+                    ) : null}
+                    <DropdownMenuItem
+                      onClick={() => handleSelectGenerationMode("image")}
+                      className={cn(
+                        "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
+                        activeComposerMode === "image" ? "bg-white/80" : "hover:bg-white/70"
+                      )}
+                    >
+                      <ImagePlus className="h-4 w-4" />
+                      <span className="flex-1">图像生成</span>
+                      {activeComposerMode === "image" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
+                    </DropdownMenuItem>
+                    <DropdownMenuItem
+                      onClick={() => handleSelectGenerationMode("video")}
+                      className={cn(
+                        "h-8 cursor-pointer rounded-lg px-2 text-[13px] font-medium text-[#2e3238]",
+                        activeComposerMode === "video" ? "bg-white/80" : "hover:bg-white/70"
+                      )}
+                    >
+                      <Video className="h-4 w-4" />
+                      <span className="flex-1">视频生成</span>
+                      {activeComposerMode === "video" ? <Check className="h-4 w-4 text-[#3b82f6]" /> : null}
+                    </DropdownMenuItem>
+                  </DropdownMenuContent>
+                </DropdownMenu>
+              ) : null}
 
-              {!isDetailGenerationMode && (!isVideoModel || showVideoAttachmentButton) && (
+              {!isWorkspacePresentation && !isDetailGenerationMode && (!isVideoModel || showVideoAttachmentButton) && (
                 <Button
                   variant="ghost"
                   size="icon"
@@ -9841,7 +9915,7 @@ export function CanvasChatPanel({
             </div>
 
             <div className="flex items-center gap-2 flex-shrink-0">
-              {activeComposerMode === "image" ? (
+              {!isWorkspacePresentation && activeComposerMode === "image" ? (
                 <Button
                   variant="ghost"
                   size="icon"
@@ -9859,7 +9933,7 @@ export function CanvasChatPanel({
                 </Button>
               ) : null}
 
-              {activeComposerMode !== "detail" ? (
+              {!isWorkspacePresentation && activeComposerMode !== "detail" ? (
                 <Select
                   value={modelSelectValue}
                   onValueChange={(value) => {
@@ -9897,9 +9971,11 @@ export function CanvasChatPanel({
               ) : null}
 
               <Button
-                size="icon"
+                size={isWorkspacePresentation ? "default" : "icon"}
                 className={cn(
-                  "h-8 w-8 rounded-full transition-all duration-200 flex-shrink-0",
+                  isWorkspacePresentation
+                    ? "h-10 rounded-full px-4 transition-all duration-200 flex-shrink-0"
+                    : "h-8 w-8 rounded-full transition-all duration-200 flex-shrink-0",
                   isDetailGenerationMode
                     ? canSend
                       ? "bg-gradient-to-r from-violet-600 to-fuchsia-600 text-white shadow-md hover:shadow-lg hover:opacity-90 dark:from-violet-500 dark:to-fuchsia-500"
@@ -9912,11 +9988,20 @@ export function CanvasChatPanel({
                 disabled={isSubmitting || !canSend}
               >
                 {isSubmitting ? (
-                  <Loader2 className="h-4 w-4 animate-spin" />
+                  <>
+                    <Loader2 className="h-4 w-4 animate-spin" />
+                    {isWorkspacePresentation ? <span className="ml-2">生成中</span> : null}
+                  </>
                 ) : isDetailGenerationMode ? (
-                  <Sparkles className="h-4 w-4" />
+                  <>
+                    <Sparkles className="h-4 w-4" />
+                    {isWorkspacePresentation ? <span className="ml-2">开始生成</span> : null}
+                  </>
                 ) : (
-                  <ArrowUp className="h-4 w-4" />
+                  <>
+                    <ArrowUp className="h-4 w-4" />
+                    {isWorkspacePresentation ? <span className="ml-2">开始生成</span> : null}
+                  </>
                 )}
               </Button>
             </div>