diff --git a/frontend/src/domain/dataSource/DataSourceRegistry.ts b/frontend/src/domain/dataSource/DataSourceRegistry.ts
new file mode 100644
index 00000000..114d9204
--- /dev/null
+++ b/frontend/src/domain/dataSource/DataSourceRegistry.ts
@@ -0,0 +1,53 @@
+/**
+ * 数据源注册表
+ * 集中管理所有预设数据源配置
+ */
+import { DataSourceType, type DataSourceRegistry } from './types';
+import { jenkinsServersConfig } from './presets/jenkins';
+import { k8sClustersConfig } from './presets/k8s';
+import { gitRepositoriesConfig } from './presets/git';
+import { dockerRegistriesConfig } from './presets/docker';
+import { notificationChannelTypesConfig, notificationChannelsConfig } from './presets/notification';
+import { usersConfig, rolesConfig, departmentsConfig } from './presets/user';
+
+/**
+ * 数据源配置注册表
+ */
+export const DATA_SOURCE_REGISTRY: DataSourceRegistry = {
+  [DataSourceType.JENKINS_SERVERS]: jenkinsServersConfig,
+  [DataSourceType.K8S_CLUSTERS]: k8sClustersConfig,
+  [DataSourceType.GIT_REPOSITORIES]: gitRepositoriesConfig,
+  [DataSourceType.DOCKER_REGISTRIES]: dockerRegistriesConfig,
+  [DataSourceType.NOTIFICATION_CHANNEL_TYPES]: notificationChannelTypesConfig,
+  [DataSourceType.NOTIFICATION_CHANNELS]: notificationChannelsConfig,
+  [DataSourceType.USERS]: usersConfig,
+  [DataSourceType.ROLES]: rolesConfig,
+  [DataSourceType.DEPARTMENTS]: departmentsConfig
+};
+
+/**
+ * 获取数据源配置
+ * @param type 数据源类型
+ * @returns 数据源配置，如果不存在则返回 undefined
+ */
+export const getDataSourceConfig = (type: DataSourceType) => {
+  return DATA_SOURCE_REGISTRY[type];
+};
+
+/**
+ * 检查数据源类型是否已注册
+ * @param type 数据源类型
+ * @returns 是否已注册
+ */
+export const hasDataSource = (type: DataSourceType): boolean => {
+  return type in DATA_SOURCE_REGISTRY;
+};
+
+/**
+ * 获取所有已注册的数据源类型
+ * @returns 数据源类型列表
+ */
+export const getAllDataSourceTypes = (): DataSourceType[] => {
+  return Object.keys(DATA_SOURCE_REGISTRY) as DataSourceType[];
+};
+
diff --git a/frontend/src/domain/dataSource/DataSourceService.ts b/frontend/src/domain/dataSource/DataSourceService.ts
new file mode 100644
index 00000000..89c7e34e
--- /dev/null
+++ b/frontend/src/domain/dataSource/DataSourceService.ts
@@ -0,0 +1,74 @@
+/**
+ * 数据源服务
+ * 提供数据源加载和管理功能
+ */
+import request from '@/utils/request';
+import { DataSourceType, type DataSourceOption } from './types';
+import { getDataSourceConfig } from './DataSourceRegistry';
+
+/**
+ * 数据源服务类
+ */
+class DataSourceService {
+  /**
+   * 加载单个数据源
+   * @param type 数据源类型
+   * @returns 选项列表
+   */
+  async load(type: DataSourceType): Promise<DataSourceOption[]> {
+    const config = getDataSourceConfig(type);
+
+    if (!config) {
+      console.error(`❌ 数据源类型 ${type} 未配置`);
+      return [];
+    }
+
+    try {
+      const response = await request.get(config.url, { params: config.params });
+      // request 拦截器已经提取了 data 字段，response 直接是数组
+      return config.transform(response || []);
+    } catch (error) {
+      console.error(`❌ 加载数据源 ${type} 失败:`, error);
+      return [];
+    }
+  }
+
+  /**
+   * 批量加载多个数据源（用于预加载）
+   * @param types 数据源类型列表
+   * @returns 数据源数据映射
+   */
+  async loadMultiple(
+    types: DataSourceType[]
+  ): Promise<Record<DataSourceType, DataSourceOption[]>> {
+    const results = await Promise.all(
+      types.map(type => this.load(type))
+    );
+
+    return types.reduce((acc, type, index) => {
+      acc[type] = results[index];
+      return acc;
+    }, {} as Record<DataSourceType, DataSourceOption[]>);
+  }
+
+  /**
+   * 预加载常用数据源（提升用户体验）
+   * @returns 预加载的数据源映射
+   */
+  async preload(): Promise<Record<DataSourceType, DataSourceOption[]>> {
+    const commonTypes: DataSourceType[] = [
+      DataSourceType.JENKINS_SERVERS,
+      DataSourceType.K8S_CLUSTERS,
+      DataSourceType.USERS
+    ];
+    return this.loadMultiple(commonTypes);
+  }
+}
+
+// 导出单例
+export const dataSourceService = new DataSourceService();
+
+// 向后兼容：导出原有的函数式API
+export const loadDataSource = (type: DataSourceType) => dataSourceService.load(type);
+export const loadMultipleDataSources = (types: DataSourceType[]) => dataSourceService.loadMultiple(types);
+
diff --git a/frontend/src/domain/dataSource/index.ts b/frontend/src/domain/dataSource/index.ts
new file mode 100644
index 00000000..106843a4
--- /dev/null
+++ b/frontend/src/domain/dataSource/index.ts
@@ -0,0 +1,15 @@
+/**
+ * 数据源领域模块
+ * 统一导出所有公共接口
+ */
+
+// 类型定义
+export { DataSourceType } from './types';
+export type { DataSourceOption, DataSourceConfig, DataSourceRegistry } from './types';
+
+// 注册表
+export { DATA_SOURCE_REGISTRY, getDataSourceConfig, hasDataSource, getAllDataSourceTypes } from './DataSourceRegistry';
+
+// 服务
+export { dataSourceService, loadDataSource, loadMultipleDataSources } from './DataSourceService';
+
diff --git a/frontend/src/domain/dataSource/presets/docker.ts b/frontend/src/domain/dataSource/presets/docker.ts
new file mode 100644
index 00000000..3fde4a4d
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/docker.ts
@@ -0,0 +1,17 @@
+/**
+ * Docker 镜像仓库数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const dockerRegistriesConfig: DataSourceConfig = {
+  url: '/api/v1/docker-registry/list',
+  params: { enabled: true },
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: item.name,
+      value: item.id,
+      url: item.url
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/presets/git.ts b/frontend/src/domain/dataSource/presets/git.ts
new file mode 100644
index 00000000..1385bbf3
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/git.ts
@@ -0,0 +1,17 @@
+/**
+ * Git 仓库数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const gitRepositoriesConfig: DataSourceConfig = {
+  url: '/api/v1/git-repo/list',
+  params: { enabled: true },
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.name} (${item.url})`,
+      value: item.id,
+      url: item.url
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/presets/jenkins.ts b/frontend/src/domain/dataSource/presets/jenkins.ts
new file mode 100644
index 00000000..212c6db2
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/jenkins.ts
@@ -0,0 +1,18 @@
+/**
+ * Jenkins 服务器数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const jenkinsServersConfig: DataSourceConfig = {
+  url: '/api/v1/external-system/list',
+  params: { type: 'JENKINS', enabled: true },
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.name} (${item.url})`,
+      value: item.id,
+      url: item.url,
+      name: item.name
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/presets/k8s.ts b/frontend/src/domain/dataSource/presets/k8s.ts
new file mode 100644
index 00000000..20d3d58e
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/k8s.ts
@@ -0,0 +1,17 @@
+/**
+ * Kubernetes 集群数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const k8sClustersConfig: DataSourceConfig = {
+  url: '/api/v1/k8s-cluster/list',
+  params: { enabled: true },
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: item.name,
+      value: item.id,
+      apiServer: item.apiServer
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/presets/notification.ts b/frontend/src/domain/dataSource/presets/notification.ts
new file mode 100644
index 00000000..4b46584c
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/notification.ts
@@ -0,0 +1,25 @@
+/**
+ * 通知渠道数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const notificationChannelTypesConfig: DataSourceConfig = {
+  url: '/api/v1/notification-channel/types',
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.label}`,
+      value: item.code
+    }));
+  }
+};
+
+export const notificationChannelsConfig: DataSourceConfig = {
+  url: '/api/v1/notification-channel/list',
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `(${item.channelType})-${item.name}`,
+      value: item.id
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/presets/user.ts b/frontend/src/domain/dataSource/presets/user.ts
new file mode 100644
index 00000000..edf37e31
--- /dev/null
+++ b/frontend/src/domain/dataSource/presets/user.ts
@@ -0,0 +1,43 @@
+/**
+ * 用户、角色、部门数据源
+ */
+import type { DataSourceConfig } from '../types';
+
+export const usersConfig: DataSourceConfig = {
+  url: '/api/v1/user/list',
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.nickname} (${item.username})`,
+      value: item.username,  // 后台使用 username 进行审批
+      id: item.id,
+      email: item.email,
+      departmentName: item.departmentName
+    }));
+  }
+};
+
+export const rolesConfig: DataSourceConfig = {
+  url: '/api/v1/role/list',
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.name} (${item.code})`,
+      value: item.code,  // 使用 code 作为值
+      id: item.id,
+      description: item.description
+    }));
+  }
+};
+
+export const departmentsConfig: DataSourceConfig = {
+  url: '/api/v1/department/list',
+  transform: (data: any[]) => {
+    return data.map((item: any) => ({
+      label: `${item.name} (${item.code})`,
+      value: item.code,  // 使用 code 作为值
+      id: item.id,
+      description: item.description,
+      parentId: item.parentId
+    }));
+  }
+};
+
diff --git a/frontend/src/domain/dataSource/types.ts b/frontend/src/domain/dataSource/types.ts
new file mode 100644
index 00000000..530eca62
--- /dev/null
+++ b/frontend/src/domain/dataSource/types.ts
@@ -0,0 +1,42 @@
+/**
+ * 数据源领域 - 类型定义
+ */
+
+/**
+ * 数据源类型枚举
+ */
+export enum DataSourceType {
+  JENKINS_SERVERS = 'JENKINS_SERVERS',
+  K8S_CLUSTERS = 'K8S_CLUSTERS',
+  GIT_REPOSITORIES = 'GIT_REPOSITORIES',
+  DOCKER_REGISTRIES = 'DOCKER_REGISTRIES',
+  NOTIFICATION_CHANNEL_TYPES = 'NOTIFICATION_CHANNEL_TYPES',
+  NOTIFICATION_CHANNELS = 'NOTIFICATION_CHANNELS',
+  USERS = 'USERS',
+  ROLES = 'ROLES',
+  DEPARTMENTS = 'DEPARTMENTS'
+}
+
+/**
+ * 数据源选项接口
+ */
+export interface DataSourceOption {
+  label: string;
+  value: any;
+  [key: string]: any;
+}
+
+/**
+ * 数据源配置接口
+ */
+export interface DataSourceConfig {
+  url: string;
+  params?: Record<string, any>;
+  transform: (data: any) => DataSourceOption[];
+}
+
+/**
+ * 数据源注册表类型
+ */
+export type DataSourceRegistry = Record<DataSourceType, DataSourceConfig>;
+
diff --git a/frontend/src/pages/FormDesigner/components/PropertyPanel.tsx b/frontend/src/pages/FormDesigner/components/PropertyPanel.tsx
index d4ccafe8..040d9d02 100644
--- a/frontend/src/pages/FormDesigner/components/PropertyPanel.tsx
+++ b/frontend/src/pages/FormDesigner/components/PropertyPanel.tsx
@@ -19,7 +19,7 @@ import {
 } from 'antd';
 import { PlusOutlined, DeleteOutlined } from '@ant-design/icons';
 import type { FieldConfig, FormConfig } from '../types';
-import { DataSourceType } from '@/pages/Workflow/Design/utils/dataSourceLoader';
+import { DataSourceType } from '@/domain/dataSource';
 
 const { Text } = Typography;
 const { TabPane } = Tabs;
diff --git a/frontend/src/pages/FormDesigner/hooks/useFieldOptions.ts b/frontend/src/pages/FormDesigner/hooks/useFieldOptions.ts
index 9acf9f43..10b19cf2 100644
--- a/frontend/src/pages/FormDesigner/hooks/useFieldOptions.ts
+++ b/frontend/src/pages/FormDesigner/hooks/useFieldOptions.ts
@@ -6,7 +6,7 @@
 import { useState, useEffect } from 'react';
 import type { FieldConfig, FieldOption } from '../types';
 import request from '../../../utils/request';
-import { loadDataSource, DataSourceType as WorkflowDataSourceType } from '@/pages/Workflow/Design/utils/dataSourceLoader';
+import { loadDataSource, DataSourceType as WorkflowDataSourceType } from '@/domain/dataSource';
 
 /**
  * 从对象中根据路径提取数据
diff --git a/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx b/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
index 620cdcf7..6041662b 100644
--- a/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
+++ b/frontend/src/pages/Workflow/Design/components/NodeConfigModal.tsx
@@ -19,7 +19,7 @@ import type { FlowNode, FlowNodeData, FlowEdge } from '../types';
 import type { WorkflowNodeDefinition, JSONSchema } from '../nodes/types';
 import { isConfigurableNode } from '../nodes/types';
 import { convertJsonSchemaToZod, extractDataSourceTypes } from '../utils/schemaConverter';
-import { loadDataSource, DataSourceType, type DataSourceOption } from '../utils/dataSourceLoader';
+import { loadDataSource, DataSourceType, type DataSourceOption } from '@/domain/dataSource';
 import { convertObjectToUUID, convertObjectToDisplayName } from '@/utils/workflow/variableConversion';
 import VariableInput from '@/components/VariableInput';
 
diff --git a/frontend/src/pages/Workflow/Design/nodes/ApprovalNode.tsx b/frontend/src/pages/Workflow/Design/nodes/ApprovalNode.tsx
index 037933f0..0f0ac87a 100644
--- a/frontend/src/pages/Workflow/Design/nodes/ApprovalNode.tsx
+++ b/frontend/src/pages/Workflow/Design/nodes/ApprovalNode.tsx
@@ -1,5 +1,5 @@
 import {ConfigurableNodeDefinition, NodeType, NodeCategory, defineNodeOutputs} from './types';
-import {DataSourceType} from '../utils/dataSourceLoader';
+import { DataSourceType } from '@/domain/dataSource';
 
 /**
  * 审批节点定义
diff --git a/frontend/src/pages/Workflow/Design/nodes/JenkinsBuildNode.tsx b/frontend/src/pages/Workflow/Design/nodes/JenkinsBuildNode.tsx
index 805d21dd..bbb8eb29 100644
--- a/frontend/src/pages/Workflow/Design/nodes/JenkinsBuildNode.tsx
+++ b/frontend/src/pages/Workflow/Design/nodes/JenkinsBuildNode.tsx
@@ -1,5 +1,5 @@
 import {ConfigurableNodeDefinition, NodeType, NodeCategory, defineNodeOutputs} from './types';
-import {DataSourceType} from '../utils/dataSourceLoader';
+import { DataSourceType } from '@/domain/dataSource';
 
 /**
  * Jenkins构建节点定义（纯配置）
diff --git a/frontend/src/pages/Workflow/Design/nodes/NotificationNode.tsx b/frontend/src/pages/Workflow/Design/nodes/NotificationNode.tsx
index 3fbc0060..47534f23 100644
--- a/frontend/src/pages/Workflow/Design/nodes/NotificationNode.tsx
+++ b/frontend/src/pages/Workflow/Design/nodes/NotificationNode.tsx
@@ -1,5 +1,5 @@
 import {ConfigurableNodeDefinition, NodeType, NodeCategory, defineNodeOutputs} from './types';
-import {DataSourceType} from "@/pages/Workflow/Design/utils/dataSourceLoader.ts";
+import { DataSourceType } from "@/domain/dataSource";
 
 /**
  * 通知节点定义
diff --git a/frontend/src/pages/Workflow/Design/utils/dataSourceLoader.ts b/frontend/src/pages/Workflow/Design/utils/dataSourceLoader.ts
deleted file mode 100644
index 101776cc..00000000
--- a/frontend/src/pages/Workflow/Design/utils/dataSourceLoader.ts
+++ /dev/null
@@ -1,181 +0,0 @@
-import request from '@/utils/request';
-
-/**
- * 数据源类型枚举
- */
-export enum DataSourceType {
-    JENKINS_SERVERS = 'JENKINS_SERVERS',
-    K8S_CLUSTERS = 'K8S_CLUSTERS',
-    GIT_REPOSITORIES = 'GIT_REPOSITORIES',
-    DOCKER_REGISTRIES = 'DOCKER_REGISTRIES',
-    NOTIFICATION_CHANNEL_TYPES = 'NOTIFICATION_CHANNEL_TYPES',
-    NOTIFICATION_CHANNELS = 'NOTIFICATION_CHANNELS',
-    USERS = 'USERS',
-    ROLES = 'ROLES',
-    DEPARTMENTS = 'DEPARTMENTS'
-}
-
-/**
- * 数据源配置接口
- */
-export interface DataSourceConfig {
-    url: string;
-    params?: Record<string, any>;
-    transform: (data: any) => Array<{ label: string; value: any; [key: string]: any }>;
-}
-
-/**
- * 数据源选项接口
- */
-export interface DataSourceOption {
-    label: string;
-    value: any;
-
-    [key: string]: any;
-}
-
-/**
- * 数据源配置注册表
- */
-export const DATA_SOURCE_REGISTRY: Record<DataSourceType, DataSourceConfig> = {
-    [DataSourceType.JENKINS_SERVERS]: {
-        url: '/api/v1/external-system/list',
-        params: {type: 'JENKINS', enabled: true},
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.name} (${item.url})`,
-                value: item.id,
-                url: item.url,
-                name: item.name
-            }));
-        }
-    },
-    [DataSourceType.NOTIFICATION_CHANNEL_TYPES]: {
-        url: '/api/v1/notification-channel/types',
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.label}`,
-                value: item.code
-            }));
-        }
-    },
-    [DataSourceType.NOTIFICATION_CHANNELS]: {
-        url: '/api/v1/notification-channel/list',
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `(${item.channelType})-${item.name}`,
-                value: item.id
-            }));
-        }
-    },
-    [DataSourceType.K8S_CLUSTERS]: {
-        url: '/api/v1/k8s-cluster/list',
-        params: {enabled: true},
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: item.name,
-                value: item.id,
-                apiServer: item.apiServer
-            }));
-        }
-    },
-    [DataSourceType.GIT_REPOSITORIES]: {
-        url: '/api/v1/git-repo/list',
-        params: {enabled: true},
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.name} (${item.url})`,
-                value: item.id,
-                url: item.url
-            }));
-        }
-    },
-    [DataSourceType.DOCKER_REGISTRIES]: {
-        url: '/api/v1/docker-registry/list',
-        params: {enabled: true},
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: item.name,
-                value: item.id,
-                url: item.url
-            }));
-        }
-    },
-    [DataSourceType.USERS]: {
-        url: '/api/v1/user/list',
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.nickname} (${item.username})`,
-                value: item.username,  // 后台使用 username 进行审批
-                id: item.id,
-                email: item.email,
-                departmentName: item.departmentName
-            }));
-        }
-    },
-    [DataSourceType.ROLES]: {
-        url: '/api/v1/role/list',
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.name} (${item.code})`,
-                value: item.code,  // 使用 code 作为值
-                id: item.id,
-                description: item.description
-            }));
-        }
-    },
-    [DataSourceType.DEPARTMENTS]: {
-        url: '/api/v1/department/list',
-        transform: (data: any[]) => {
-            return data.map((item: any) => ({
-                label: `${item.name} (${item.code})`,
-                value: item.code,  // 使用 code 作为值
-                id: item.id,
-                description: item.description,
-                parentId: item.parentId
-            }));
-        }
-    }
-};
-
-/**
- * 加载数据源
- * @param type 数据源类型
- * @returns 选项列表
- */
-export const loadDataSource = async (type: DataSourceType): Promise<DataSourceOption[]> => {
-    const config = DATA_SOURCE_REGISTRY[type];
-
-    if (!config) {
-        console.error(`数据源类型 ${type} 未配置`);
-        return [];
-    }
-
-    try {
-        const response = await request.get(config.url, {params: config.params});
-        // request 拦截器已经提取了 data 字段，response 直接是数组
-        return config.transform(response || []);
-    } catch (error) {
-        console.error(`加载数据源 ${type} 失败:`, error);
-        return [];
-    }
-};
-
-/**
- * 批量加载多个数据源（用于预加载）
- * @param types 数据源类型列表
- * @returns 数据源数据映射
- */
-export const loadMultipleDataSources = async (
-    types: DataSourceType[]
-): Promise<Record<DataSourceType, DataSourceOption[]>> => {
-    const results = await Promise.all(
-        types.map(type => loadDataSource(type))
-    );
-
-    return types.reduce((acc, type, index) => {
-        acc[type] = results[index];
-        return acc;
-    }, {} as Record<DataSourceType, DataSourceOption[]>);
-};
-