diff --git a/src/api/agents.ts b/src/api/agents.ts
index 0a6a328..c752f29 100644
--- a/src/api/agents.ts
+++ b/src/api/agents.ts
@@ -57,6 +57,7 @@ export interface ExternalToolPluginPayload {
   baseUrl: string;
   authType: 'none' | 'bearer' | 'basic' | 'apiKey';
   authConfig: Record<string, unknown>;
+  headers?: Record<string, string> | null;
   apis: ExternalToolApi[];
 }
 
diff --git a/src/components/ExternalToolEditor.tsx b/src/components/ExternalToolEditor.tsx
index 6d988da..5f84086 100644
--- a/src/components/ExternalToolEditor.tsx
+++ b/src/components/ExternalToolEditor.tsx
@@ -19,8 +19,9 @@ interface ToolApiFormValue extends Omit<ExternalToolApi, 'headers' | 'parameters
   routing: ToolApiRoutingFormValue;
 }
 
-interface ToolPluginFormValue extends Omit<ExternalToolPluginPayload, 'authConfig' | 'apis'> {
+interface ToolPluginFormValue extends Omit<ExternalToolPluginPayload, 'authConfig' | 'apis' | 'headers'> {
   authConfig?: string;
+  headers?: string;
   apis: ToolApiFormValue[];
 }
 
@@ -185,6 +186,7 @@ export default function ExternalToolEditor({ open, agentId, plugin, onClose, onS
         baseUrl: values.baseUrl.trim(),
         authType: values.authType,
         authConfig: parseJsonObject(values.authConfig, '认证配置', values.authType === 'none') || {},
+        headers: parseJsonObject(values.headers, '统一请求头', true),
         apis: values.apis.map((item) => ({
           name: item.name.trim(),
           description: item.description.trim(),
@@ -235,6 +237,7 @@ export default function ExternalToolEditor({ open, agentId, plugin, onClose, onS
                   baseUrl: plugin.baseUrl,
                   authType: plugin.authType,
                   authConfig: JSON.stringify(plugin.authConfig || {}, null, 2),
+                  headers: JSON.stringify(plugin.headers || {}, null, 2),
                   apis: plugin.apis.map((item) => ({
                     name: item.name,
                     description: item.description,
@@ -255,6 +258,7 @@ export default function ExternalToolEditor({ open, agentId, plugin, onClose, onS
                   baseUrl: '',
                   authType: 'bearer',
                   authConfig: JSON.stringify({ token: '' }, null, 2),
+                  headers: JSON.stringify({}, null, 2),
                   apis: [{ ...EMPTY_API }],
                 },
           );
@@ -273,6 +277,13 @@ export default function ExternalToolEditor({ open, agentId, plugin, onClose, onS
         <Form.Item label="工具集描述" name="description">
           <Input.TextArea rows={2} placeholder="说明该工具集提供的能力" />
         </Form.Item>
+        <Form.Item label="统一请求头（JSON 或对象）" name="headers">
+          <Input.TextArea
+            rows={3}
+            className="agent-editor-code-input"
+            placeholder={'{\n  "Authorization": "Bearer YOUR_TOKEN"\n}'}
+          />
+        </Form.Item>
         <div className="agent-editor-tool-grid">
           <Form.Item label="认证方式" name="authType" rules={[{ required: true }]}>
             <Select