diff --git a/server/web3dbspider/services/dbevent_process.js b/server/web3dbspider/services/dbevent_process.js
index 980452c..1afd2df 100644
--- a/server/web3dbspider/services/dbevent_process.js
+++ b/server/web3dbspider/services/dbevent_process.js
@@ -219,9 +219,6 @@ class DbEventProcess extends BaseService {
 
   async process(row) {
     const logHead = this.getInstanceName() + ' process: ';
-    if (!this.eventHandle) {
-      return false;
-    }
     while (true) {
       try {
         const handle = eventsFactory.createEventHandle(this, this.conn, row);
@@ -237,6 +234,10 @@ class DbEventProcess extends BaseService {
         await utils.sleep(5000 + utils.randRange(500, 1500));
       }
     }
+    const idx = BigInt(row['idx']);
+    if (idx > this.lastIdx) {
+      this.lastIdx = idx;
+    }
     return true;
   }