diff --git a/server/web3dbspider/services/events/factory.js b/server/web3dbspider/services/events/factory.js
index d283807..56c2412 100644
--- a/server/web3dbspider/services/events/factory.js
+++ b/server/web3dbspider/services/events/factory.js
@@ -1,4 +1,4 @@
->const events = {};
+const events = {};
 
 async function internalAdd(clsName, modName) {
   const modClass = require('./' + modName);
@@ -28,10 +28,12 @@ async function init() {
 }
 
 function getEventHandle(eventProc) {
-
+  const clsName = eventProc.getContractName() + '.' + eventProc.getEventName();
+  return utils.hasKey(events, clsName) ? events[clsName] : null;
 }
 
 function createEventHandle(eventProc, eventHandle) {
+  const clsName = eventProc.getContractName() + '.' + eventProc.getEventName();
 
 }