diff --git a/server/web3dbspider/services/dbevent_process.js b/server/web3dbspider/services/dbevent_process.js
index 9eb9adf..86331f1 100644
--- a/server/web3dbspider/services/dbevent_process.js
+++ b/server/web3dbspider/services/dbevent_process.js
@@ -148,7 +148,9 @@ class DbEventProcess extends BaseService {
   }
 
   genLogHead(msg) {
-    return this.getInstanceName() + ' ' + msg;
+    const logHead = this.getNetId() + ' ' + this.getContractName() + '.' + this.getEventName() +
+          ' dbprocess ' + msg ;
+    return logHead;
   }
 
   getTableName() {