diff --git a/dledger/src/main/java/io/openmessaging/storage/dledger/DLedgerConfig.java b/dledger/src/main/java/io/openmessaging/storage/dledger/DLedgerConfig.java
index 0bb539b6..006b99d9 100644
--- a/dledger/src/main/java/io/openmessaging/storage/dledger/DLedgerConfig.java
+++ b/dledger/src/main/java/io/openmessaging/storage/dledger/DLedgerConfig.java
@@ -130,6 +130,7 @@ public class DLedgerConfig {
 
     private int metricsPromExporterPort = 5557;
     private String metricsPromExporterHost = "";
+    private int deleteFilesInterval = 100;
 
     public String getDefaultPath() {
         return storeBaseDir + File.separator + "dledger-" + selfId;
@@ -635,4 +636,12 @@ public int getMetricsPromExporterPort() {
     public String getMetricsPromExporterHost() {
         return metricsPromExporterHost;
     }
+
+    public int getDeleteFilesInterval() {
+        return deleteFilesInterval;
+    }
+
+    public void setDeleteFilesInterval(int deleteFilesInterval) {
+        this.deleteFilesInterval = deleteFilesInterval;
+    }
 }
diff --git a/dledger/src/main/java/io/openmessaging/storage/dledger/store/file/DLedgerMmapFileStore.java b/dledger/src/main/java/io/openmessaging/storage/dledger/store/file/DLedgerMmapFileStore.java
index c776d157..63830143 100644
--- a/dledger/src/main/java/io/openmessaging/storage/dledger/store/file/DLedgerMmapFileStore.java
+++ b/dledger/src/main/java/io/openmessaging/storage/dledger/store/file/DLedgerMmapFileStore.java
@@ -777,8 +777,9 @@ public void doWork() {
                 boolean forceClean = isNeedForceClean();
                 boolean enableForceClean = dLedgerConfig.isEnableDiskForceClean();
                 int intervalForcibly = 120 * 1000;
+                int deleteFilesInterval = dLedgerConfig.getDeleteFilesInterval();
                 if (timeUp || checkExpired) {
-                    int count = getDataFileList().deleteExpiredFileByTime(fileReservedTimeMs, 100, intervalForcibly, forceClean && enableForceClean);
+                    int count = getDataFileList().deleteExpiredFileByTime(fileReservedTimeMs, deleteFilesInterval, intervalForcibly, forceClean && enableForceClean);
                     if (count > 0 || (forceClean && enableForceClean) || isDiskFull) {
                         logger.info("Clean space count={} timeUp={} checkExpired={} forceClean={} enableForceClean={} diskFull={} storeBaseRatio={} dataRatio={}",
                             count, timeUp, checkExpired, forceClean, enableForceClean, isDiskFull, storeBaseRatio, dataRatio);