diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbCommit.c b/source/dnode/vnode/src/tsdb/dev/tsdbCommit.c
index be904ee8eaf5c67ead1a25480c7d186df7b27158..18101ddc6cc7c0d31543b67912f224fd4f6508e4 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbCommit.c
@@ -221,7 +221,12 @@ static int32_t tsdbCommitDelData(SCommitter2 *committer) {
 
   SMemTable *mem = committer->tsdb->imem;
 
-  if (mem->nDel == 0) goto _exit;
+  if (mem->nDel == 0                        //
+      || (committer->ctx->fset == NULL      //
+          && committer->sttWriter == NULL)  //
+  ) {
+    goto _exit;
+  }
 
   SRBTreeIter iter[1] = {tRBTreeIterCreate(committer->tsdb->imem->tbDataTree, 1)};
 
@@ -248,7 +253,12 @@ static int32_t tsdbCommitDelData(SCommitter2 *committer) {
         record->ekey = delData->eKey;
       }
 
-      code = tsdbSttFileWriteDelRecord(committer->sttWriter, record); // TODO
+      if (!committer->sttWriter) {
+        code = tsdbCommitOpenWriter(committer);
+        TSDB_CHECK_CODE(code, lino, _exit);
+      }
+
+      code = tsdbSttFileWriteDelRecord(committer->sttWriter, record);
       TSDB_CHECK_CODE(code, lino, _exit);
     }
   }
diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c b/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
index feb937886a99a4cda30ea9124e217cdc071d99e9..5d3184a541b0063986d72600f6fac19edc6e55ce 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbSttFileRW.c
@@ -262,6 +262,11 @@ int32_t tsdbSttFileReadDelBlock(SSttSegReader *reader, const SDelBlk *delBlk, SD
                           &reader->reader->config->bufArr[2]);
     TSDB_CHECK_CODE(code, lino, _exit);
 
+    for (int32_t j = 0; j < delBlk->numRec; ++j) {
+      code = TARRAY2_APPEND(&dData->dataArr[i], ((int64_t *)(reader->reader->config->bufArr[1]))[j]);
+      continue;
+    }
+
     size += delBlk->size[i];
   }
 
@@ -474,7 +479,7 @@ static int32_t tsdbSttFileDoWriteDelBlock(SSttFileWriter *writer) {
   for (int32_t i = 0; i < ARRAY_SIZE(writer->dData->dataArr); i++) {
     int32_t size;
     code = tsdbCmprData((uint8_t *)TARRAY2_DATA(&writer->dData->dataArr[i]),
-                        TARRAY2_DATA_LEN(&writer->dData->dataArr[i]), TSDB_DATA_TYPE_BIGINT, writer->config->cmprAlg,
+                        TARRAY2_DATA_LEN(&writer->dData->dataArr[i]), TSDB_DATA_TYPE_BIGINT, TWO_STAGE_COMP,
                         &writer->config->aBuf[0], 0, &size, &writer->config->aBuf[1]);
     TSDB_CHECK_CODE(code, lino, _exit);