diff --git a/source/libs/index/src/index.c b/source/libs/index/src/index.c
index d38f4efddb..7c5822b90a 100644
--- a/source/libs/index/src/index.c
+++ b/source/libs/index/src/index.c
@@ -613,6 +613,7 @@ static int32_t idxMergeCacheAndTFile(SArray* result, IterateValue* cv, IterateVa
       return TSDB_CODE_OUT_OF_MEMORY;
     }
   }
+  tfileValueDestroy(tfv);
   return 0;
 }
 static void idxDestroyFinalRslt(SArray* result) {