diff --git a/vllm_mindspore/model_executor/models/model_base.py b/vllm_mindspore/model_executor/models/model_base.py
index 9df5447ee368adbef526ac5bad70c09db05aa8b8..bb2213cc4ef85746002c868de6b4ffe1c901817d 100644
--- a/vllm_mindspore/model_executor/models/model_base.py
+++ b/vllm_mindspore/model_executor/models/model_base.py
@@ -306,7 +306,7 @@ class MsModelBase:
         model_inputs["input_ids"] = input_ids.astype(ms.int32) * 1
         model_inputs["block_tables"] = attn_metadata.block_tables * 1
         model_inputs["batch_valid_length"] = ms.from_numpy(seq_lens_np)
-        model_inputs["slot_mapping"] = attn_metadata.slot_mapping
+        model_inputs["slot_mapping"] = attn_metadata.slot_mapping * 1
         model_inputs["position_ids"] = position_ids
         model_inputs["q_seq_lens"] = q_seq_lens
         model_inputs["attention_mask"] = attention_mask