diff --git a/src/overlaybd/lsmt/file.cpp b/src/overlaybd/lsmt/file.cpp
index 12ec4e16..f76004d4 100644
--- a/src/overlaybd/lsmt/file.cpp
+++ b/src/overlaybd/lsmt/file.cpp
@@ -1127,6 +1127,11 @@ class LSMTWarpFile : public LSMTFile {
         CompactOptions opts(&m_files, mapping.get(), m_index->size(), m_vsize, &args);
         LayerInfo info;
         info.virtual_size = m_vsize;
+        info.uuid.clear();
+        if (UUID::String::is_valid((args.uuid).c_str())) {
+            LOG_INFO("set UUID: `", args.uuid.data);
+            info.uuid.parse(args.uuid);
+        }
         if (UUID::String::is_valid((args.parent_uuid).c_str())) {
             LOG_INFO("set parent UUID: `", args.parent_uuid.data);
             info.parent_uuid.parse(args.parent_uuid);
diff --git a/src/overlaybd/lsmt/test/lsmt-filetest.h b/src/overlaybd/lsmt/test/lsmt-filetest.h
index 053c5f83..384b9b5b 100644
--- a/src/overlaybd/lsmt/test/lsmt-filetest.h
+++ b/src/overlaybd/lsmt/test/lsmt-filetest.h
@@ -408,6 +408,7 @@ class FileTest2 : public FileTest {
         data_name.clear();
         idx_name.clear();
         layer_name.clear();
+        parent_uuid = "";
     }
 };
 
@@ -571,6 +572,6 @@ class WarpFileTest : public FileTest3 {
 public:
     void randwrite_warpfile(IFile *file, size_t nwrites);
     IFileRW *create_warpfile_rw(int io_engine = 0);
-    IFileRO *create_commit_warpfile(int io_engine = 0);
-    IFileRO *create_commit_warpfile(IFileRW* warpfile);
+    IFileRO *create_commit_warpfile(int io_engine = 0, bool keepUUID = false);
+    IFileRO *create_commit_warpfile(IFileRW* warpfile, bool keepUUID = false);
 };
diff --git a/src/overlaybd/lsmt/test/test.cpp b/src/overlaybd/lsmt/test/test.cpp
index 6a730b2d..c69bfb35 100644
--- a/src/overlaybd/lsmt/test/test.cpp
+++ b/src/overlaybd/lsmt/test/test.cpp
@@ -785,13 +785,19 @@ IFileRW *WarpFileTest::create_warpfile_rw(int io_engine) {
     return file;
 }
 
-IFileRO *WarpFileTest::create_commit_warpfile(IFileRW* warpfile) {
+IFileRO *WarpFileTest::create_commit_warpfile(IFileRW* warpfile, bool keepUUID) {
     LOG_INFO("commit warpfile as `", layer_name.back().c_str());
     auto fcommit = lfs->open(layer_name.back().c_str(), O_RDWR | O_CREAT | O_TRUNC, S_IRWXU);
     UUID uu;
     uu.parse(parent_uuid.c_str(), parent_uuid.size());
     CommitArgs c(fcommit);
     c.parent_uuid = uu;
+
+    // commit will clear layer's uuid if CommitArgs.uuid is not specify
+    if (keepUUID) {
+        warpfile->get_uuid(uu);
+        c.uuid = uu;
+    }
     ((IFileRW *)warpfile)->commit(c);
     delete warpfile;
     fcommit->close();
@@ -802,10 +808,10 @@ IFileRO *WarpFileTest::create_commit_warpfile(IFileRW* warpfile) {
     return ret;
 }
 
-IFileRO *WarpFileTest::create_commit_warpfile(int io_engine) {
+IFileRO *WarpFileTest::create_commit_warpfile(int io_engine, bool keepUUID) {
     auto warpfile = create_warpfile_rw(io_engine);
     randwrite_warpfile(warpfile, FLAGS_nwrites);
-    return create_commit_warpfile(warpfile);
+    return create_commit_warpfile(warpfile, keepUUID);
 }
 
 TEST_F(WarpFileTest, randwrite) {
@@ -920,6 +926,36 @@ TEST_F(WarpFileTest, stack_files) {
     fcheck = nullptr;
 }
 
+TEST_F(WarpFileTest, commit_without_uuid) {
+    CleanUp();
+    UUID uu;
+    auto frw = create_warpfile_rw(ut_io_engine);
+    frw->get_uuid(uu);
+    LOG_INFO("uuid before commit is `", uu);
+    EXPECT_FALSE(uu.is_null());
+
+    auto fcommit = create_commit_warpfile(frw);
+    fcommit->get_uuid(uu);
+    LOG_INFO("uuid after commit is `", uu);
+    EXPECT_TRUE(uu.is_null());
+}
+
+TEST_F(WarpFileTest, commit_with_uuid) {
+    CleanUp();
+    UUID uu;
+    auto frw = create_warpfile_rw(ut_io_engine);
+    frw->get_uuid(uu);
+    LOG_INFO("uuid before commit is `", uu);
+    EXPECT_FALSE(uu.is_null());
+
+    UUID uu_commit;
+    auto fcommit = create_commit_warpfile(frw, true);
+    fcommit->get_uuid(uu_commit);
+    LOG_INFO("uuid after commit is `", uu);
+    EXPECT_FALSE(uu_commit.is_null());
+    EXPECT_EQ(uu, uu_commit);
+}
+
 int main(int argc, char **argv) {
 
     auto seed = 154574045;