diff --git a/curvefs/src/client/s3/disk_cache_manager.cpp b/curvefs/src/client/s3/disk_cache_manager.cpp
index 235989ca87..33a09e307d 100644
--- a/curvefs/src/client/s3/disk_cache_manager.cpp
+++ b/curvefs/src/client/s3/disk_cache_manager.cpp
@@ -418,6 +418,7 @@ void DiskCacheManager::TrimCache() {
     cacheWriteFullDir = GetCacheWriteFullDir();
     while (true) {
         UpdateDiskFsUsedRatio();
+        waitIntervalSec_.Init(FLAGS_diskTrimCheckIntervalSec * 1000);
         waitIntervalSec_.WaitForNextExcution();
         if (!isRunning_) {
             LOG(INFO) << "trim thread end.";