diff --git a/src/kit/taosdump/taosdump.c b/src/kit/taosdump/taosdump.c
index b760c642e5f57baf872148d21dcf29ca85061927..0a8da8aaafdee0093dcda39c0d19ab142756043d 100644
--- a/src/kit/taosdump/taosdump.c
+++ b/src/kit/taosdump/taosdump.c
@@ -1177,7 +1177,7 @@ static int64_t dumpNormalTable(
         }
     }
 
-    free(tableDes);
+    tfree(tableDes);
 
     int64_t ret = 0;
     if (!g_args.schemaonly) {
@@ -1185,6 +1185,7 @@ static int64_t dumpNormalTable(
             jsonAvroSchema);
     }
 
+    tfree(jsonAvroSchema);
     return ret;
 }