diff --git a/leveldb_base/db/db_impl.cc b/leveldb_base/db/db_impl.cc
index 24528b5..bad0c82 100644
--- a/leveldb_base/db/db_impl.cc
+++ b/leveldb_base/db/db_impl.cc
@@ -598,6 +598,7 @@ void DBImpl::CompactRange(const Slice* begin, const Slice* end) {
   }
   TEST_CompactMemTable();  // TODO(sanjay): Skip if memtable does not overlap
   // 这个改成小于等于，test能过，但这不是改变原本的手动合并逻辑了吗？-朱陈媛
+  // 改了之后应该也不影响合并
   for (int level = 0; level <= max_level_with_files; level++) {
     TEST_CompactRange(level, begin, end);
   }