diff --git a/server/web3dbspider/services/dbevent_process.js b/server/web3dbspider/services/dbevent_process.js
index 86331f1..d9fe274 100644
--- a/server/web3dbspider/services/dbevent_process.js
+++ b/server/web3dbspider/services/dbevent_process.js
@@ -70,7 +70,7 @@ class DbEventProcess extends BaseService {
   }
 
   async pullEvent() {
-    const logHead = this.getInstanceName() + ' pullDbEvent: ';
+    const logHead = this.genLogHead(' pullDbEvent: ');
     const tableName = this.getTableName();
     try {
       const startIdx = this.getStartIdx();