diff --git a/configs/datasets/MathBench/mathbench_2024_gen_649349.py b/configs/datasets/MathBench/mathbench_2024_gen_19e486.py
similarity index 99%
rename from configs/datasets/MathBench/mathbench_2024_gen_649349.py
rename to configs/datasets/MathBench/mathbench_2024_gen_19e486.py
index 93238892..6cde6c69 100644
--- a/configs/datasets/MathBench/mathbench_2024_gen_649349.py
+++ b/configs/datasets/MathBench/mathbench_2024_gen_19e486.py
@@ -91,7 +91,7 @@ for _split in list(mathbench_sets.keys()):
                     ),
             ),
             retriever=dict(type=ZeroRetriever),
-            inferencer=dict(type=GenInferencer, max_out_len=512),
+            inferencer=dict(type=GenInferencer, max_out_len=2048),
         )
 
         mathbench_eval_cfg = dict(
diff --git a/configs/datasets/MathBench/mathbench_gen.py b/configs/datasets/MathBench/mathbench_gen.py
index 942566fa..63478a60 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_2024_gen_649349 import mathbench_datasets  # noqa: F401, F403
+    from .mathbench_2024_gen_19e486 import mathbench_datasets  # noqa: F401, F403