diff --git a/src/suinput/dataset.py b/src/suinput/dataset.py
index bb51a1d..1e6abc2 100644
--- a/src/suinput/dataset.py
+++ b/src/suinput/dataset.py
@@ -276,6 +276,9 @@ class PinyinInputDataset(IterableDataset):
             trunc_len = random.randint(1, max_len - 1)
             return pinyin[:trunc_len]
         """
+        rand_val = random.random()
+        if rand_val <= 0.06:
+            return None
         return pinyin
 
     def process_pinyin_sequence(self, pinyin_list: List[str]) -> str:
diff --git a/src/tmp_utils/gen_eval_dataset.py b/src/tmp_utils/gen_eval_dataset.py
index 834b370..7ad4700 100644
--- a/src/tmp_utils/gen_eval_dataset.py
+++ b/src/tmp_utils/gen_eval_dataset.py
@@ -16,7 +16,7 @@ if __name__ == "__main__":
 
     # 创建数据集
     dataset = PinyinInputDataset(
-        data_dir="/root/autodl-tmp/data",
+        data_dir="/home/songsenand/DataSet/data",
         query_engine=query_engine,
         tokenizer_name="iic/nlp_structbert_backbone_lite_std",
         max_len=88,
diff --git a/src/trainer/eval_dataset/sample_0.pkl b/src/trainer/eval_dataset/sample_0.pkl
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diff --git a/src/trainer/eval_dataset/sample_1.pkl b/src/trainer/eval_dataset/sample_1.pkl
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diff --git a/src/trainer/eval_dataset/sample_2.pkl b/src/trainer/eval_dataset/sample_2.pkl
index bedd1bf..b5c7eba 100644
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diff --git a/src/trainer/eval_dataset/sample_3.pkl b/src/trainer/eval_dataset/sample_3.pkl
index a9b1df3..b46b65b 100644
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diff --git a/src/trainer/eval_dataset/sample_4.pkl b/src/trainer/eval_dataset/sample_4.pkl
index b999ccb..f52a653 100644
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