diff --git a/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx b/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
index 0590a0d5b..3fb2aa861 100644
--- a/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
+++ b/app/(admin)/settings/agent-workflow/agent-workflow-settings-client.tsx
@@ -55,6 +55,7 @@ import {
   findAgentWorkflowOptionByKey,
   findAgentWorkflowStepByKey,
   flattenAgentWorkflowOptionTree,
+  getAgentWorkflowSpecialModuleRootOptions,
   getEnabledAgentWorkflowOptionTree,
   getAgentWorkflowCategoryLabels,
   getAgentWorkflowConstraintSettings,
@@ -508,6 +509,7 @@ function createWorkflowStepDraft(
     description: "",
     enabled: true,
     sortOrder: stepIndex,
+    specialModuleEnabled: false,
     options: [createWorkflowOptionDraft(stepKey, 0, [])],
     children: [],
   };
@@ -2115,17 +2117,12 @@ export function AgentWorkflowSettingsClient({
   );
   const workflowSpecialModuleOptions = useMemo(
     () =>
-      flattenAgentWorkflowSteps(deferredWorkflowSteps || []).flatMap(({ step }) =>
-        [...(step.options || [])]
-          .sort((left, right) => left.sortOrder - right.sortOrder)
-          .filter((option) => option.specialModuleEnabled)
-          .map((option) => ({
-            option,
-            stepKey: step.key,
-            stepTitle: step.title || step.key,
-            path: `${step.title || step.key} / ${option.buttonName || option.key}`,
-          }))
-      ),
+      getAgentWorkflowSpecialModuleRootOptions(deferredWorkflowSteps || []).map((option) => ({
+        option,
+        stepKey: option.key,
+        stepTitle: option.buttonName || option.key,
+        path: option.buttonName || option.key,
+      })),
     [deferredWorkflowSteps]
   );
   const workflowOptionGapDetails = useMemo(
@@ -4962,8 +4959,25 @@ export function AgentWorkflowSettingsClient({
                   <div className="flex flex-wrap items-center gap-2">
                     <Badge variant="secondary">{optionCardCount} 张卡片</Badge>
                     <Badge variant="outline">卡片树结构</Badge>
+                    {step.specialModuleEnabled ? <Badge variant="default">特殊模块</Badge> : null}
                     {isTopLevelStep ? (
                       <>
+                        <div className="flex h-8 items-center gap-2 rounded-md border border-emerald-500/20 bg-emerald-500/5 px-2">
+                          <span className="whitespace-nowrap text-xs font-medium text-emerald-700">
+                            特殊模块
+                          </span>
+                          <Switch
+                            checked={Boolean(step.specialModuleEnabled)}
+                            onCheckedChange={(checked) =>
+                              updateStep(step.key, (currentStep) => ({
+                                ...currentStep,
+                                specialModuleEnabled: checked,
+                              }))
+                            }
+                            className="scale-75"
+                            aria-label={`设置模块 ${step.title || step.key} 为特殊模块`}
+                          />
+                        </div>
                         <Button
                           type="button"
                           variant="outline"
diff --git a/app/api/site-settings/route.ts b/app/api/site-settings/route.ts
index 37becf163..7fe2410b5 100644
--- a/app/api/site-settings/route.ts
+++ b/app/api/site-settings/route.ts
@@ -923,6 +923,7 @@ const agentWorkflowStepSchema: z.ZodTypeAny = z.lazy(() =>
     description: z.string().trim().max(300).nullable().optional(),
     enabled: z.boolean().optional(),
     sortOrder: z.number().min(0).max(999).optional(),
+    specialModuleEnabled: z.boolean().optional(),
     options: z.array(agentWorkflowOptionSchema).max(100),
     children: z.array(agentWorkflowStepSchema).max(100).optional(),
   })
diff --git a/lib/agents/workflow-ui-config.ts b/lib/agents/workflow-ui-config.ts
index 4af6984dd..c13b09ec3 100644
--- a/lib/agents/workflow-ui-config.ts
+++ b/lib/agents/workflow-ui-config.ts
@@ -71,6 +71,7 @@ function cloneStep(step: AgentWorkflowStepUiConfig): AgentWorkflowStepUiConfig {
   return {
     ...step,
     description: step.description || "",
+    specialModuleEnabled: Boolean(step.specialModuleEnabled),
     options: step.options.map(cloneOption),
     children: (step.children || []).map(cloneStep),
   };
@@ -88,6 +89,7 @@ function createStep(
     description,
     enabled: true,
     sortOrder: 0,
+    specialModuleEnabled: false,
     options,
     children: [],
   };
@@ -561,6 +563,39 @@ function sanitizeBlockedWorkflowStepTree(
   }));
 }
 
+function createSpecialModuleRootOptionFromStep(
+  step: AgentWorkflowStepUiConfig
+): AgentWorkflowOptionUiConfig {
+  return {
+    key: step.key,
+    buttonName: step.title || step.key,
+    description: step.description || "",
+    previewImageUrl: "",
+    enabled: step.enabled,
+    sortOrder: step.sortOrder,
+    promptFragment: "",
+    blockedOptionKeys: [],
+    specialModuleEnabled: true,
+    specialModuleExclusionEnabled: false,
+    specialModuleAllowedOptionKeys: [],
+    children: [
+      ...(step.options || []),
+      ...(step.children || []).map(createSpecialModuleRootOptionFromStep),
+    ].sort((left, right) => left.sortOrder - right.sortOrder),
+  };
+}
+
+export function getAgentWorkflowSpecialModuleRootOptions(
+  steps: AgentWorkflowStepUiConfig[]
+): AgentWorkflowOptionUiConfig[] {
+  return flattenAgentWorkflowSteps(steps).flatMap(({ step }) => {
+    const specialRoots = (step.options || []).filter((option) => option.specialModuleEnabled);
+    return step.specialModuleEnabled
+      ? [createSpecialModuleRootOptionFromStep(step), ...specialRoots]
+      : specialRoots;
+  });
+}
+
 export function normalizeAgentWorkflowUiConfig(value: unknown): AgentWorkflowUiConfig {
   const raw =
     value && typeof value === "object" && !Array.isArray(value)
@@ -1018,6 +1053,10 @@ export function normalizeAgentWorkflowUiConfig(value: unknown): AgentWorkflowUiC
       description: normalizeText(stepRecord?.description, 300) || fallbackDescription,
       enabled: normalizeBoolean(stepRecord?.enabled, defaultStep?.enabled ?? true),
       sortOrder: normalizeNumber(stepRecord?.sortOrder, defaultStep?.sortOrder ?? stepIndex),
+      specialModuleEnabled: normalizeBoolean(
+        stepRecord?.specialModuleEnabled,
+        defaultStep?.specialModuleEnabled ?? false
+      ),
       options,
       children:
         depth < AGENT_WORKFLOW_MAX_TREE_DEPTH
@@ -1544,9 +1583,7 @@ export function getAgentWorkflowBlockedOptionKeysForSelections(params: {
       ] as const)
     )
   );
-  const specialModuleRootOptions = visibleSteps.flatMap((step) =>
-    (step.options || []).filter((option) => option.specialModuleEnabled)
-  );
+  const specialModuleRootOptions = getAgentWorkflowSpecialModuleRootOptions(visibleSteps);
 
   const directlyBlockedKeys = Array.from(
     new Set(
diff --git a/types/agent.ts b/types/agent.ts
index ed1cc4b1a..a70c4b0e1 100644
--- a/types/agent.ts
+++ b/types/agent.ts
@@ -100,6 +100,7 @@ export interface AgentWorkflowStepUiConfig {
   description?: string | null;
   enabled: boolean;
   sortOrder: number;
+  specialModuleEnabled?: boolean;
   options: AgentWorkflowOptionUiConfig[];
   children?: AgentWorkflowStepUiConfig[];
 }