diff --git a/components/agents/AgentGenerationWorkspaceDarkV2.tsx b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
index 4580e8e93..8a034a140 100644
--- a/components/agents/AgentGenerationWorkspaceDarkV2.tsx
+++ b/components/agents/AgentGenerationWorkspaceDarkV2.tsx
@@ -555,7 +555,6 @@ export function AgentGenerationWorkspaceDarkV2({
   const emitAgentModeState = onAgentModeStateChange || setLocalAgentModeState;
   const detailReplacementState = resolvedAgentModeState.detailReplacement;
   const detailReplacementQueryInput = detailReplacementState.query;
-  const detailReplacementQueryType = detailReplacementState.queryType;
   const detailReplacementCandidates = detailReplacementState.candidates;
   const detailReplacementSelectedCandidateId = detailReplacementState.selectedCandidateId;
   const detailReplacementReferenceCards = detailReplacementState.references;
@@ -608,7 +607,7 @@ export function AgentGenerationWorkspaceDarkV2({
                   ? detailReplacementQueryInput.trim()
                   : skuReplacementQueryInput.trim(),
                 queryType: isDetailReplacementPreset
-                  ? detailReplacementQueryType
+                  ? ("spu" as const)
                   : skuReplacementQueryType,
                 selectedCandidateId: isDetailReplacementPreset
                   ? detailReplacementSelectedCandidateId || null
@@ -1491,7 +1490,7 @@ export function AgentGenerationWorkspaceDarkV2({
   const handleDetailReplacementSearch = useCallback(async () => {
     const normalized = detailReplacementQueryInput.trim().toUpperCase();
     if (!normalized) {
-      toast.error(`请输入${detailReplacementQueryType === "spu" ? "SPU" : "SKU"}后再查询详情图`);
+      toast.error("请输入 SPU 后再查询详情图");
       return;
     }
 
@@ -1504,7 +1503,7 @@ export function AgentGenerationWorkspaceDarkV2({
       const response = await fetch(
         `/api/agent-workflow/reference-search?keyword=${encodeURIComponent(
           normalized
-        )}&queryType=${detailReplacementQueryType}&target=detail`,
+        )}&queryType=spu&target=detail`,
         { cache: "no-store" }
       );
       const result = (await response.json().catch(() => ({}))) as AgentModeReferenceSearchResponse;
@@ -1515,7 +1514,7 @@ export function AgentGenerationWorkspaceDarkV2({
 
       updateDetailReplacementState({
         query: normalized,
-        queryType: result.data.queryType || detailReplacementQueryType,
+        queryType: "spu",
         candidates: result.data.candidates || [],
         selectedCandidateId:
           result.data.selectedCandidateId || result.data.candidates?.[0]?.id || null,
@@ -1533,7 +1532,7 @@ export function AgentGenerationWorkspaceDarkV2({
       });
       toast.error(error instanceof Error ? error.message : "详情参考图查询失败");
     }
-  }, [detailReplacementQueryInput, detailReplacementQueryType, updateDetailReplacementState]);
+  }, [detailReplacementQueryInput, updateDetailReplacementState]);
   const handleSelectDetailReplacementCandidate = useCallback((candidateId: string) => {
       updateDetailReplacementState((current) => {
       const nextCandidate =
@@ -2296,7 +2295,7 @@ export function AgentGenerationWorkspaceDarkV2({
                     <div>
                       <div className="text-sm font-semibold text-white">详情参考图</div>
                       <div className="text-xs text-white/40">
-                        支持按 SPU 或 SKU 查询任务-详情整套候选，并切换某一套的详情参考图。
+                        仅支持按 SPU 查询任务-详情整套候选，并切换某一套的详情参考图。
                       </div>
                     </div>
                     <div className="rounded-full border border-white/10 bg-white/[0.03] px-3 py-1 text-xs text-white/55">
@@ -2304,33 +2303,10 @@ export function AgentGenerationWorkspaceDarkV2({
                     </div>
                   </div>
 
-                  <div className="mb-3 flex flex-wrap gap-2">
-                    {(["spu", "sku"] as const).map((queryType) => (
-                      <button
-                        key={queryType}
-                        type="button"
-                        onClick={() =>
-                          updateDetailReplacementState((current) => ({
-                            ...current,
-                            queryType,
-                            candidates:
-                              current.queryType === queryType ? current.candidates : [],
-                            selectedCandidateId:
-                              current.queryType === queryType ? current.selectedCandidateId : null,
-                            references:
-                              current.queryType === queryType ? current.references : [],
-                          }))
-                        }
-                        className={cn(
-                          "rounded-full border px-3 py-1.5 text-xs transition-colors",
-                          detailReplacementQueryType === queryType
-                            ? "border-emerald-400/45 bg-emerald-500/[0.12] text-emerald-200"
-                            : "border-white/10 bg-white/[0.03] text-white/58 hover:border-white/18 hover:text-white"
-                        )}
-                      >
-                        按{queryType === "spu" ? "SPU" : "SKU"}查询
-                      </button>
-                    ))}
+                  <div className="mb-3">
+                    <div className="inline-flex rounded-full border border-emerald-400/35 bg-emerald-500/[0.10] px-3 py-1.5 text-xs text-emerald-200">
+                      按SPU查询
+                    </div>
                   </div>
 
                   <div className="mb-3 flex flex-col gap-2 sm:flex-row">
@@ -2339,9 +2315,10 @@ export function AgentGenerationWorkspaceDarkV2({
                       onChange={(e) =>
                         updateDetailReplacementState({
                           query: e.target.value,
+                          queryType: "spu",
                         })
                       }
-                      placeholder={`输入${detailReplacementQueryType === "spu" ? "SPU" : "SKU"}，查询任务-详情整套中的详情参考图`}
+                      placeholder="输入 SPU，查询任务-详情整套中的详情参考图"
                       className="min-h-[68px] resize-none rounded-[22px] border-white/10 bg-black/20 text-sm text-white placeholder:text-white/22 focus:border-emerald-400/30"
                     />
                     <Button
@@ -2374,7 +2351,7 @@ export function AgentGenerationWorkspaceDarkV2({
                   {(detailReplacementSearchState.lastQuery || detailReplacementQueryInput.trim()) ? (
                     <div className="mb-3 rounded-[18px] border border-white/10 bg-white/[0.03] px-3 py-2 text-xs text-white/48">
                       当前参考图查询：
-                      {detailReplacementQueryType === "spu" ? "SPU" : "SKU"} /
+                      SPU /
                       {detailReplacementSearchState.lastQuery ||
                         detailReplacementQueryInput.trim().toUpperCase()}
                       <span className="ml-2 text-emerald-200/70">
@@ -2510,7 +2487,7 @@ export function AgentGenerationWorkspaceDarkV2({
                       <div className="flex min-h-[220px] flex-col items-center justify-center rounded-[22px] border border-dashed border-white/12 bg-black/20 px-5 text-center">
                         <div className="text-sm font-medium text-white/72">等待详情参考图</div>
                         <div className="mt-2 text-xs leading-6 text-white/40">
-                          输入 SPU 或 SKU 后，这里会展示任务-详情整套里的真实详情参考图。
+                          输入 SPU 后，这里会展示任务-详情整套里的真实详情参考图。
                           删除不需要的参考图后，列表会自动上移补位。
                         </div>
                       </div>
diff --git a/components/agents/AgentPresetCard.tsx b/components/agents/AgentPresetCard.tsx
index d9f9685ad..965689ff1 100644
--- a/components/agents/AgentPresetCard.tsx
+++ b/components/agents/AgentPresetCard.tsx
@@ -35,6 +35,7 @@ export function AgentPresetCard({
     const raw = preset.createdAt ? new Date(preset.createdAt) : null;
     if (!raw || Number.isNaN(raw.getTime())) return "未知时间";
     return raw.toLocaleDateString("zh-CN", {
+      timeZone: "Asia/Shanghai",
       year: "numeric",
       month: "2-digit",
       day: "2-digit",
diff --git a/components/agents/AgentPresetCardDark.tsx b/components/agents/AgentPresetCardDark.tsx
index 018f96029..6b70bad97 100644
--- a/components/agents/AgentPresetCardDark.tsx
+++ b/components/agents/AgentPresetCardDark.tsx
@@ -42,6 +42,7 @@ export function AgentPresetCardDark({
     const raw = preset.createdAt ? new Date(preset.createdAt) : null;
     if (!raw || Number.isNaN(raw.getTime())) return "";
     return raw.toLocaleDateString("zh-CN", {
+      timeZone: "Asia/Shanghai",
       month: "short",
       day: "numeric",
     });
diff --git a/components/agents/AgentPresetCardNew.tsx b/components/agents/AgentPresetCardNew.tsx
index 0de481661..163a49213 100644
--- a/components/agents/AgentPresetCardNew.tsx
+++ b/components/agents/AgentPresetCardNew.tsx
@@ -40,6 +40,7 @@ export function AgentPresetCardNew({
     const raw = preset.createdAt ? new Date(preset.createdAt) : null;
     if (!raw || Number.isNaN(raw.getTime())) return "未知时间";
     return raw.toLocaleDateString("zh-CN", {
+      timeZone: "Asia/Shanghai",
       year: "numeric",
       month: "2-digit",
       day: "2-digit",