diff --git a/server/web3spider/app.js b/server/web3spider/app.js
index 6af93b4..0bb2043 100644
--- a/server/web3spider/app.js
+++ b/server/web3spider/app.js
@@ -14,6 +14,7 @@ event.addListener(event.APP_INITIALIZED_EVENT, async () => {
   require('./controllers/factory').init();
   require('./models/factory').init();
   require('./services/factory').init();
+  require('./tasks/factory').init();
   app.injectionSession(require('./session'));
   app.listen(config('listen_port'));
 });
diff --git a/server/web3spider/tasks/baseservice.js b/server/web3spider/tasks/baseservice.js
new file mode 100644
index 0000000..d1eca1f
--- /dev/null
+++ b/server/web3spider/tasks/baseservice.js
@@ -0,0 +1,13 @@
+class BaseService {
+
+  constructor(session) {
+    this.session = session;
+  }
+
+  getSession() {
+    return this.session;
+  }
+
+}
+
+module.exports = BaseService;
diff --git a/server/web3spider/tasks/factory.js b/server/web3spider/tasks/factory.js
new file mode 100644
index 0000000..5a9dbb0
--- /dev/null
+++ b/server/web3spider/tasks/factory.js
@@ -0,0 +1,23 @@
+const services = {};
+
+function add(clsNames, modName) {
+  const modClass = require('./' + modName);
+  clsNames.forEach((clsName) => {
+    services[clsName] = {
+      'clsName': clsName,
+      'modName': modName,
+      'class': modClass
+    };
+  });
+}
+
+function init() {
+}
+
+function create(name, session) {
+  const module = services[name];
+  return new module['class'](session);
+}
+
+exports.init = init;
+exports.create = create;