diff --git a/src/service/event.batch.service.ts b/src/service/event.batch.service.ts
index 83ae910..00115a1 100644
--- a/src/service/event.batch.service.ts
+++ b/src/service/event.batch.service.ts
@@ -27,6 +27,7 @@ export class EventBatchSvr {
       }
       this.processer.set((cfg.address+cfg.topic).toLowerCase(), cfg)
     }
+    this.eventCfgs.sort((a, b) => a.topic.localeCompare(b.topic))
     this.redisKey = `event_${this.chainCfg.id}`
   }
 
@@ -54,10 +55,9 @@ export class EventBatchSvr {
             uninParams.push(_param)
             topicsSet = new Set()
           } else {
-            let topic = getTopics(cfg)
-            if (!topicsSet.has(topic)) {
-              _param.params[0].topics.push(topic)
-              topicsSet.add(topic)
+            if (!topicsSet.has(cfg.topic)) {
+              _param.params[0].topics.push(cfg.topic)
+              topicsSet.add(cfg.topic)
             }
             _param.params[0].address.push(cfg.address)
           }
@@ -127,7 +127,7 @@ export class EventBatchSvr {
       toBlock: 'latest',
       address: [cfg.address]
     }
-    params.topics = [getTopics(cfg)]
+    params.topics = [cfg.topic]
     const result = {
       jsonrpc: "2.0",
       method: "eth_getLogs",