diff --git a/server/web3dbspider/services/dbevent_process.js b/server/web3dbspider/services/dbevent_process.js
index b151b3e..8849147 100644
--- a/server/web3dbspider/services/dbevent_process.js
+++ b/server/web3dbspider/services/dbevent_process.js
@@ -216,7 +216,7 @@ class DbEventProcess extends BaseService {
     if (!this.eventHandle) {
       return false;
     }
-    const handle = eventsFactory.createEventHandle(this);
+    const handle = eventsFactory.createEventHandle(this, this.conn, row);
     await handle.start();
     return true;
   }
diff --git a/server/web3dbspider/services/events/factory.js b/server/web3dbspider/services/events/factory.js
index 7fcd9ea..90734eb 100644
--- a/server/web3dbspider/services/events/factory.js
+++ b/server/web3dbspider/services/events/factory.js
@@ -33,9 +33,9 @@ function getEventHandle(eventProc) {
   return utils.hasKey(events, clsName) ? events[clsName] : null;
 }
 
-function createEventHandle(eventProc) {
+function createEventHandle(eventProc, conn, eventDb) {
   const clsName = eventProc.getContractName() + '.' + eventProc.getEventName();
-  return new events[clsName]['class']();
+  return new events[clsName]['class'](eventProc, conn, eventDb);
 }
 
 exports.init = init;