diff --git a/src/tsdb/src/tsdbMeta.c b/src/tsdb/src/tsdbMeta.c
index b8e327366454fc24ddfcc5b0d70c53fd2406866a..9b98ca19fce089f093310146c36903b42cfdf353 100644
--- a/src/tsdb/src/tsdbMeta.c
+++ b/src/tsdb/src/tsdbMeta.c
@@ -794,6 +794,13 @@ static void tsdbFreeTable(STable *pTable) {
     tSkipListDestroy(pTable->pIndex);
     taosTZfree(pTable->lastRow);
     tfree(pTable->sql);
+
+    for (int i = 0; i < pTable->lastColNum; ++i) {
+      if (pTable->lastCols[i].pData == NULL) {
+        continue;
+      }
+      free(pTable->lastCols[i].pData);
+    }
     free(pTable);
   }
 }