diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index d02e0c9f9..79e5bfc1b 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -898,10 +898,30 @@ function CanvasTypewriterText({
   return <div className={className}>{displayText}</div>;
 }
 
+function CanvasAssistantTypingPlaceholder() {
+  return (
+    <div className="flex w-full justify-start">
+      <div
+        aria-label="Clawd 正在处理"
+        className="inline-flex h-10 items-center gap-1.5 rounded-2xl bg-[#f4f5f7] px-4 text-[#9aa3b2] dark:bg-white/8 dark:text-zinc-400"
+      >
+        {[0, 1, 2].map((index) => (
+          <span
+            key={index}
+            className="h-2 w-2 rounded-full bg-current opacity-70 animate-pulse"
+            style={{ animationDelay: `${index * 140}ms` }}
+          />
+        ))}
+      </div>
+    </div>
+  );
+}
+
 function normalizeCanvasAgentText(value: string): string {
   return String(value || "")
     .replace(/\r\n/g, "\n")
-    .replace(/\n{3,}/g, "\n\n")
+    .replace(/[ \t\u00a0]+\n/g, "\n")
+    .replace(/\n[ \t\u00a0]*\n(?:[ \t\u00a0]*\n)+/g, "\n\n")
     .trim();
 }
 
@@ -914,6 +934,7 @@ function hasCanvasRenderableMarkdown(value: string): boolean {
     /\*\*[^*]+\*\*/.test(text) ||
     /(^|\n)\s*[-*+]\s+/.test(text) ||
     /(^|\n)\s*\d+\.\s+/.test(text) ||
+    /(^|\n)\s*\|.+\|\s*\n\s*\|[-:\s|]+\|/.test(text) ||
     /\[[^\]]+\]\([^)]+\)/.test(text)
   );
 }
@@ -5849,9 +5870,9 @@ export function CanvasChatPanel({
 
   // 滚动到底部
   useEffect(() => {
-    if (messages.length === 0) return;
+    if (messages.length === 0 && !isClawdSubmitting) return;
     messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
-  }, [messages]);
+  }, [isClawdSubmitting, messages]);
 
   // 标记是否已经为当前画布设置过标题（避免重复调用）
   const hasSetCanvasTitle = useRef(false);
@@ -10785,7 +10806,7 @@ export function CanvasChatPanel({
                                               text={analysisSection.analysis}
                                               typingKey={analysisTypingKey}
                                               enabled={shouldAnimateAnalysis}
-                                              className="whitespace-pre-wrap break-words [overflow-wrap:anywhere]"
+                                              className="break-words [overflow-wrap:anywhere]"
                                               renderMarkdown
                                               onActiveChange={handleTypewriterActiveChange}
                                               onComplete={handleTypewriterComplete}
@@ -10967,6 +10988,10 @@ export function CanvasChatPanel({
             />
           )}
           
+          {isClawdMode && isClawdSubmitting ? (
+            <CanvasAssistantTypingPlaceholder />
+          ) : null}
+
           {isLoading && !shouldRenderImageLoading && (
             <div className="flex w-full justify-start">
               <div className="flex items-center gap-2 text-[#8e97a5]">
diff --git a/components/elements/response.tsx b/components/elements/response.tsx
index 7f2f783bb..1eebc685b 100644
--- a/components/elements/response.tsx
+++ b/components/elements/response.tsx
@@ -80,6 +80,14 @@ function downloadTextFile(filename: string, content: string, type: string) {
   URL.revokeObjectURL(url);
 }
 
+function normalizeMarkdownContent(value: string) {
+  return String(value || "")
+    .replace(/\r\n/g, "\n")
+    .replace(/[ \t\u00a0]+\n/g, "\n")
+    .replace(/\n[ \t\u00a0]*\n(?:[ \t\u00a0]*\n)+/g, "\n\n")
+    .trim();
+}
+
 function splitMarkdownImages(content: string) {
   const segments: Array<
     | { type: "text"; value: string }
@@ -275,7 +283,7 @@ function DownloadableMarkdownTable({
   };
 
   return (
-    <div className="my-4 max-w-full overflow-hidden rounded-xl border border-border bg-background/70">
+    <div className="my-3 max-w-full overflow-hidden rounded-xl border border-border bg-background/70 whitespace-normal">
       <div className="flex items-center justify-end border-b border-border/70 bg-muted/40 px-2 py-1.5">
         <button
           type="button"
@@ -320,8 +328,9 @@ export const Response = ({
   ...props
 }: ResponseProps) => {
   const streamdownClassName = cn(
-    "w-full min-w-0 [&>*:first-child]:mt-0 [&>*:last-child]:mb-0 [&_code]:whitespace-pre-wrap [&_code]:break-words [&_pre]:max-w-full [&_pre]:overflow-x-auto",
-    className
+    "w-full min-w-0 [&>*:first-child]:mt-0 [&>*:last-child]:mb-0 [&_code]:break-words [&_pre]:max-w-full [&_pre]:overflow-x-auto",
+    className,
+    "whitespace-normal [&_code]:whitespace-pre-wrap"
   );
   const processingKey = `${isProcessingEnhance}-${isProcessingRmbg}-${isProcessingExtend}-${isProcessingAngleEdit}-${isProcessingWatermarkRemove}`;
 
@@ -425,7 +434,10 @@ export const Response = ({
     );
   };
 
-  const rawText = typeof props.children === "string" ? props.children : null;
+  const rawText =
+    typeof props.children === "string"
+      ? normalizeMarkdownContent(props.children)
+      : null;
   if (rawText) {
     const analysisSection = collapsibleImageAnalysis
       ? extractImageAnalysisSection(rawText)