diff --git a/configs/datasets/MathBench/mathbench_gen.py b/configs/datasets/MathBench/mathbench_gen.py
index 208d2359..37dc53ec 100644
--- a/configs/datasets/MathBench/mathbench_gen.py
+++ b/configs/datasets/MathBench/mathbench_gen.py
@@ -1,4 +1,4 @@
 from mmengine.config import read_base
 
 with read_base():
-    from .mathbench_gen_51000f import mathbench_datasets  # noqa: F401, F403
+    from .mathbench_gen_10da90 import mathbench_datasets  # noqa: F401, F403
diff --git a/configs/datasets/MathBench/mathbench_gen_51000f.py b/configs/datasets/MathBench/mathbench_gen_10da90.py
similarity index 99%
rename from configs/datasets/MathBench/mathbench_gen_51000f.py
rename to configs/datasets/MathBench/mathbench_gen_10da90.py
index b456a9ef..0a0013b2 100644
--- a/configs/datasets/MathBench/mathbench_gen_51000f.py
+++ b/configs/datasets/MathBench/mathbench_gen_10da90.py
@@ -89,7 +89,7 @@ for _split in list(mathbench_sets.keys()):
                 ice_token="</E>",
             ),
             retriever=dict(type=ZeroRetriever),
-            inferencer=dict(type=GenInferencer),
+            inferencer=dict(type=GenInferencer, max_out_len=512,),
         )
 
         mathbench_eval_cfg = dict(