diff --git a/template/base_config.json b/template/base_config.json
index 83d7340..5611863 100644
--- a/template/base_config.json
+++ b/template/base_config.json
@@ -4,7 +4,7 @@
         "cp_size": 1,
         "pp_size": 1,
         "dp_size": 1,
-        "pp_engine": "afab",
+        "pp_engine": "1f1b",
         "backend": "nccl",
         "use_cpu": false
     },