diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index b63016276..ca178bc1c 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -2864,7 +2864,7 @@ export function AgentGenerationWorkspaceDarkV2({
       ? `\n\n【工作流风格要求】\n${workflowContext.promptText}`
       : "";
     const detailPromptWithWorkflow = `${detailPrompt}${workflowHint}`.trim();
-    const detailCount = extractAgentDetailFrameCount(detailPromptWithWorkflow);
+    const detailCount = extractAgentDetailFrameCount(detailPrompt);
     const referenceImageNotes = detailGenerationVisibleSlotIndexes.map((slotIndex, visibleIndex) => {
       const config = AGENT_DETAIL_SLOT_CONFIGS[slotIndex];
       const current = detailGenerationSlots[slotIndex];
diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 0a8878907..7ec1fbe0e 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -1367,9 +1367,9 @@ function deriveSessionTitleFromMessages(messages: ChatMessage[]): string {
 function extractDetailFrameCount(text: string): number {
   const normalized = text.replace(/\s+/g, "");
   const matched = normalized.match(/(\d{1,2})(?:张|屏|页)/);
-  if (!matched) return 14;
+  if (!matched) return 15;
   const value = Number(matched[1]);
-  if (!Number.isFinite(value)) return 14;
+  if (!Number.isFinite(value)) return 15;
   return Math.min(20, Math.max(5, Math.round(value)));
 }
 
diff --git a/lib/agents/detail-generation-config.ts b/lib/agents/detail-generation-config.ts
index 7bec73013..4b0ac6519 100644
--- a/lib/agents/detail-generation-config.ts
+++ b/lib/agents/detail-generation-config.ts
@@ -139,9 +139,9 @@ export function sanitizeAgentDetailBrief(input: unknown): AgentDetailBriefForm {
 export function extractAgentDetailFrameCount(text: string) {
   const normalized = String(text || "").replace(/\s+/g, "");
   const matched = normalized.match(/(\d{1,2})(?:张|屏|页)/);
-  if (!matched) return 14;
+  if (!matched) return 15;
   const value = Number(matched[1]);
-  if (!Number.isFinite(value)) return 14;
+  if (!Number.isFinite(value)) return 15;
   return Math.min(20, Math.max(5, Math.round(value)));
 }