diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index 1f6d793417..f507e1b3be 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -586,7 +586,7 @@ int idxFlushCacheToTFile(SIndex* sIdx, void* cache, bool quit) {
 
   int ret = idxGenTFile(sIdx, pCache, result);
   if (ret != 0) {
-    indexError("failed to merge, time cost: %" PRId64 "ms", cost / 1000);
+    indexError("failed to merge");
   } else {
     int64_t cost = taosGetTimestampUs() - st;
     indexInfo("success to merge , time cost: %" PRId64 "ms", cost / 1000);