diff --git a/apps/web/src/components/cover/useSharedCover.ts b/apps/web/src/components/cover/useSharedCover.ts
index 29a174c15..eac74e189 100644
--- a/apps/web/src/components/cover/useSharedCover.ts
+++ b/apps/web/src/components/cover/useSharedCover.ts
@@ -104,7 +104,18 @@ export function useSharedCover(opts: UseSharedCoverOptions): UseSharedCoverRetur
   }, [])
 
   const handleEditTemplate = useCallback((tpl: CoverTemplate) => {
-    setEditingTemplate(tpl)
+    // 系统模板不可修改：复制为新模板草稿，走另存为流程
+    if (tpl.is_system) {
+      setEditingTemplate({
+        ...tpl,
+        id: "",
+        name: tpl.name + " 副本",
+        is_system: false,
+        created_at: "",
+      })
+    } else {
+      setEditingTemplate(tpl)
+    }
     setShowCoverEditor(true)
   }, [])
 
@@ -116,15 +127,22 @@ export function useSharedCover(opts: UseSharedCoverOptions): UseSharedCoverRetur
   const handleSaveTemplate = useCallback(
     async (tpl: CoverTemplate) => {
       try {
-        if (tpl.id && templates.some((t) => t.id === tpl.id)) {
-          const updated = await updateCoverTemplate(tpl.id, { name: tpl.name, config: tpl.config })
-          setTemplates((prev) => prev.map((t) => (t.id === tpl.id ? { ...t, ...updated } : t)))
-        } else {
-          const created = await createCoverTemplate({ name: tpl.name, config: tpl.config })
+        // 系统模板或无 id（新建/副本）→ 走创建分支；否则走更新
+        const isSystem = templates.find((t) => t.id === tpl.id)?.is_system === true
+        const shouldCreate = !tpl.id || isSystem
+        if (shouldCreate) {
+          const created = await createCoverTemplate({
+            name: tpl.name || "我的封面模板",
+            config: tpl.config,
+          })
           setTemplates((prev) => [...prev, created])
           setSelectedTemplateId(created.id || tpl.id)
+        } else {
+          const updated = await updateCoverTemplate(tpl.id, { name: tpl.name, config: tpl.config })
+          setTemplates((prev) => prev.map((t) => (t.id === tpl.id ? { ...t, ...updated } : t)))
         }
         setShowCoverEditor(false)
+        setEditingTemplate(null)
       } catch (err) {
         console.error("[SharedCover] 保存模板失败:", err)
         message.error("保存模板失败，请稍后重试")
diff --git a/apps/web/src/pages/generate/components/cover-settings/CoverSettingsModal.tsx b/apps/web/src/pages/generate/components/cover-settings/CoverSettingsModal.tsx
index c4e4423bf..9877c909e 100644
--- a/apps/web/src/pages/generate/components/cover-settings/CoverSettingsModal.tsx
+++ b/apps/web/src/pages/generate/components/cover-settings/CoverSettingsModal.tsx
@@ -111,7 +111,7 @@ const CoverSettingsModal: React.FC<CoverSettingsModalProps> = ({
                   </div>
                   <div className="xx-cover-template-actions" onClick={(e) => e.stopPropagation()}>
                     <Button buttonType="ghost" buttonSize="sm" onClick={() => onEditTemplate(tpl)}>
-                      编辑
+                      {tpl.is_system ? "复制" : "编辑"}
                     </Button>
                     {!tpl.is_system && (
                       <Button
diff --git a/apps/web/src/pages/generate/hooks/useStep6Cover.ts b/apps/web/src/pages/generate/hooks/useStep6Cover.ts
index 338184199..c92528af7 100644
--- a/apps/web/src/pages/generate/hooks/useStep6Cover.ts
+++ b/apps/web/src/pages/generate/hooks/useStep6Cover.ts
@@ -175,7 +175,18 @@ export function useStep6Cover({
   }, [])
 
   const handleEditTemplate = useCallback((tpl: CoverTemplate) => {
-    setEditingTemplate(tpl)
+    // 系统模板不可修改：复制为新模板草稿，走"另存为"流程
+    if (tpl.is_system) {
+      setEditingTemplate({
+        ...tpl,
+        id: "",
+        name: tpl.name + " 副本",
+        is_system: false,
+        created_at: "",
+      })
+    } else {
+      setEditingTemplate(tpl)
+    }
     setShowCoverEditor(true)
   }, [])
 
@@ -183,20 +194,25 @@ export function useStep6Cover({
   const handleSaveTemplate = useCallback(
     async (tpl: CoverTemplate) => {
       try {
-        if (tpl.id && coverTemplates.some((t) => t.id === tpl.id)) {
+        // 系统模板或无 id（新建/副本）→ 走创建分支；否则走更新
+        const isSystem = coverTemplates.find((t) => t.id === tpl.id)?.is_system === true
+        const shouldCreate = !tpl.id || isSystem
+        if (shouldCreate) {
+          const created = await createCoverTemplate({
+            name: tpl.name || "我的封面模板",
+            config: tpl.config,
+          })
+          setCoverTemplates((prev) => [...prev, created])
+          setSelectedTemplateId(created.id || tpl.id)
+        } else {
           const updated = await updateCoverTemplate(tpl.id, {
             name: tpl.name,
             config: tpl.config,
           })
           setCoverTemplates((prev) => prev.map((t) => (t.id === tpl.id ? { ...t, ...updated } : t)))
-        } else {
-          const created = await createCoverTemplate({
-            name: tpl.name,
-            config: tpl.config,
-          })
-          setCoverTemplates((prev) => [...prev, created])
         }
         setShowCoverEditor(false)
+        setEditingTemplate(null)
       } catch (err) {
         console.error("[Step6] 保存模板失败:", err)
       }