diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index e3adfbe4a..3c3d5c1ad 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -5,7 +5,7 @@ import { DefaultChatTransport } from "ai";
 import { useEffect, useRef, useState, useCallback, useMemo } from "react";
 import { createPortal } from "react-dom";
 import useSWR, { useSWRConfig } from "swr";
-import { Send, Loader2, ImagePlus, Paperclip, X, Plus, History, LayoutGrid, Maximize2, RefreshCw, Globe, Box, ArrowUp, Video, Sparkles, Check, ChevronDown, ChevronUp, AlertCircle, CheckCircle2, Brain, ThumbsUp, ThumbsDown, Eye, Trash2 } from "lucide-react";
+import { Send, Loader2, ImagePlus, Paperclip, X, Plus, History, LayoutGrid, Maximize2, RefreshCw, Globe, Box, ArrowUp, Video, Sparkles, Check, ChevronDown, ChevronUp, AlertCircle, CheckCircle2, ThumbsUp, ThumbsDown, Eye, Trash2 } from "lucide-react";
 import { Button } from "@/components/ui/button";
 import { Textarea } from "@/components/ui/textarea";
 import {
@@ -1328,7 +1328,7 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
   const [videoSlotUploading, setVideoSlotUploading] = useState<number | null>(null);
   const [lastImageModelId, setLastImageModelId] = useState<string | null>(null);
   const [lastVideoModelId, setLastVideoModelId] = useState<string | null>(null);
-  const [deepThinkingEnabled, setDeepThinkingEnabled] = useState(false);
+  const [deepThinkingEnabled] = useState(false);
   const [analysisCollapseState, setAnalysisCollapseState] = useState<Record<string, boolean>>({});
   const [typedAssistantSections, setTypedAssistantSections] = useState<Record<string, boolean>>({});
   const [activeTypingSections, setActiveTypingSections] = useState<Record<string, boolean>>({});
@@ -7352,24 +7352,6 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
                 </div>
               ) : null}
 
-              {activeComposerMode === "image" ? (
-                <Button
-                  variant="ghost"
-                  size="icon"
-                  title={`深度思考：${deepThinkingEnabled ? "开" : "关"}`}
-                  className={cn(
-                    "h-8 w-8 rounded-full border transition-colors",
-                    deepThinkingEnabled
-                      ? "border-[#8ab0ff] bg-[#eef4ff] text-[#3b5bcc] hover:bg-[#e5efff]"
-                      : "border-[#d8dce3] bg-white text-[#6b7280] hover:bg-[#f4f6f8]"
-                  )}
-                  onClick={() => setDeepThinkingEnabled((prev) => !prev)}
-                  disabled={isSubmitting}
-                >
-                  <Brain className="h-4 w-4" />
-                </Button>
-              ) : null}
-
               {activeComposerMode !== "agent" ? (
                 <Select
                   value={modelSelectValue}