diff --git a/vllm_ascend/compilation/acl_graph.py b/vllm_ascend/compilation/acl_graph.py
index 17ca56b7..41476ccc 100644
--- a/vllm_ascend/compilation/acl_graph.py
+++ b/vllm_ascend/compilation/acl_graph.py
@@ -194,26 +194,25 @@ def update_attn_params(update_stream, forward_context, runtime_shape):
     graph_params = get_graph_params()
     # FIXME: Behold! We are using a temporary hack here to update the args
     # for each layer's attention op in the graph.
-    for key, param, handle, event in zip(
-            forward_context.attn_metadata,
-            graph_params.attn_params[runtime_shape],
-            graph_params.handles[runtime_shape],
-            graph_params.events[runtime_shape],
-    ):
-        (
-            query,
-            key_cache,
-            value_cache,
-            num_kv_heads,
-            num_heads,
-            scale,
-            block_table,
-            seq_lens,
-            output,
-        ) = param
-        seq_lens = forward_context.attn_metadata[key].seq_lens
-
-        with torch.npu.stream(update_stream):
+    with torch.npu.stream(update_stream):
+        for key, param, handle, event in zip(
+                forward_context.attn_metadata,
+                graph_params.attn_params[runtime_shape],
+                graph_params.handles[runtime_shape],
+                graph_params.events[runtime_shape],
+        ):
+            (
+                query,
+                key_cache,
+                value_cache,
+                num_kv_heads,
+                num_heads,
+                scale,
+                block_table,
+                seq_lens,
+                output,
+            ) = param
+            seq_lens = forward_context.attn_metadata[key].seq_lens
             torch.npu.graph_task_update_begin(update_stream, handle)
             torch_npu._npu_paged_attention(
                 query=query,
@@ -236,30 +235,32 @@ def update_mla_attn_params(update_stream, forward_context, runtime_shape,
     graph_params = get_graph_params()
     # FIXME: Behold! We are using a temporary hack here to update the args
     # for each layer's attention op in the graph.
-    for key, param, handle, event in zip(
-            forward_context.attn_metadata,
-            graph_params.attn_params[runtime_shape],
-            graph_params.handles[runtime_shape],
-            graph_params.events[runtime_shape],
-    ):
-        (q_nope, k_nope, q_pe, k_pe, num_heads, num_kv_heads, input_layout,
-         spec_attn_mask, sparse_mode, scale, block_table, block_size,
-         seq_lens_list, actual_seq_lengths, attn_output, softmax_lse) = param
-        seq_lens_list = forward_context.attn_metadata[key].decode.seq_lens_list
-        if speculative_config and speculative_config.method == "deepseek_mtp":
-            actual_seq_lengths = forward_context.attn_metadata[
-                key].decode.actual_seq_lengths_q
-            spec_multiple = speculative_config.num_speculative_tokens + 1
-            seq_lens_list = seq_lens_list + [0] * (
-                runtime_shape // spec_multiple - len(seq_lens_list))
-            actual_seq_lengths = [
-                spec_multiple * (i + 1)
-                for i in range(runtime_shape // spec_multiple)
-            ]
-        else:
-            seq_lens_list = seq_lens_list + [0] * (runtime_shape -
-                                                   len(seq_lens_list))
-        with torch.npu.stream(update_stream):
+    with torch.npu.stream(update_stream):
+        for key, param, handle, event in zip(
+                forward_context.attn_metadata,
+                graph_params.attn_params[runtime_shape],
+                graph_params.handles[runtime_shape],
+                graph_params.events[runtime_shape],
+        ):
+            (q_nope, k_nope, q_pe, k_pe, num_heads, num_kv_heads, input_layout,
+             spec_attn_mask, sparse_mode, scale, block_table, block_size,
+             seq_lens_list, actual_seq_lengths, attn_output,
+             softmax_lse) = param
+            seq_lens_list = forward_context.attn_metadata[
+                key].decode.seq_lens_list
+            if speculative_config and speculative_config.method == "deepseek_mtp":
+                actual_seq_lengths = forward_context.attn_metadata[
+                    key].decode.actual_seq_lengths_q
+                spec_multiple = speculative_config.num_speculative_tokens + 1
+                seq_lens_list = seq_lens_list + [0] * (
+                    runtime_shape // spec_multiple - len(seq_lens_list))
+                actual_seq_lengths = [
+                    spec_multiple * (i + 1)
+                    for i in range(runtime_shape // spec_multiple)
+                ]
+            else:
+                seq_lens_list = seq_lens_list + [0] * (runtime_shape -
+                                                       len(seq_lens_list))
             torch.npu.graph_task_update_begin(update_stream, handle)
 
             torch_npu.npu_fused_infer_attention_score.out(
@@ -291,26 +292,27 @@ def update_attn_dcp_pcp_params(update_stream, forward_context, runtime_shape):
     graph_params = get_graph_params()
     # FIXME: Behold! We are using a temporary hack here to update the args
     # for each layer's attention op in the graph.
-    for key, param, handle, event in zip(
-            forward_context.attn_metadata,
-            graph_params.attn_params[runtime_shape],
-            graph_params.handles[runtime_shape],
-            graph_params.events[runtime_shape],
-    ):
-        (q_nope, k_nope, value, num_heads, num_kv_heads, scale, block_table,
-         block_size, actual_seq_lengths_kv, attn_output, softmax_lse, cp_rank,
-         dcp_rank, dcp_size) = param
-        actual_seq_lengths_kv = forward_context.attn_metadata[
-            key].decode_meta.num_computed_tokens_of_pcp_dcp[:, cp_rank,
-                                                            dcp_rank]
-        pad_length = runtime_shape - len(actual_seq_lengths_kv)
-        pad_tensor = np.zeros(pad_length, dtype=actual_seq_lengths_kv.dtype)
-        actual_seq_lengths_kv = np.concatenate(
-            [actual_seq_lengths_kv, pad_tensor])
-        if dcp_size > 1:
-            num_heads = num_heads * dcp_size
+    with torch.npu.stream(update_stream):
+        for key, param, handle, event in zip(
+                forward_context.attn_metadata,
+                graph_params.attn_params[runtime_shape],
+                graph_params.handles[runtime_shape],
+                graph_params.events[runtime_shape],
+        ):
+            (q_nope, k_nope, value, num_heads, num_kv_heads, scale,
+             block_table, block_size, actual_seq_lengths_kv, attn_output,
+             softmax_lse, cp_rank, dcp_rank, dcp_size) = param
+            actual_seq_lengths_kv = forward_context.attn_metadata[
+                key].decode_meta.num_computed_tokens_of_pcp_dcp[:, cp_rank,
+                                                                dcp_rank]
+            pad_length = runtime_shape - len(actual_seq_lengths_kv)
+            pad_tensor = np.zeros(pad_length,
+                                  dtype=actual_seq_lengths_kv.dtype)
+            actual_seq_lengths_kv = np.concatenate(
+                [actual_seq_lengths_kv, pad_tensor])
+            if dcp_size > 1:
+                num_heads = num_heads * dcp_size
 
-        with torch.npu.stream(update_stream):
             torch.npu.graph_task_update_begin(update_stream, handle)
 
             torch_npu.npu_fused_infer_attention_score.out(
@@ -340,30 +342,30 @@ def update_mla_attn_dcp_pcp_params(update_stream, forward_context,
     graph_params = get_graph_params()
     # FIXME: Behold! We are using a temporary hack here to update the args
     # for each layer's attention op in the graph.
-    for key, param, handle, event in zip(
-            forward_context.attn_metadata,
-            graph_params.attn_params[runtime_shape],
-            graph_params.handles[runtime_shape],
-            graph_params.events[runtime_shape],
-    ):
-        (q_nope, q_pe, k_nope, k_pe, block_table, seq_len, num_heads, scale,
-         num_kv_heads, attn_output, softmax_lse) = param
+    with torch.npu.stream(update_stream):
+        for key, param, handle, event in zip(
+                forward_context.attn_metadata,
+                graph_params.attn_params[runtime_shape],
+                graph_params.handles[runtime_shape],
+                graph_params.events[runtime_shape],
+        ):
+            (q_nope, q_pe, k_nope, k_pe, block_table, seq_len, num_heads,
+             scale, num_kv_heads, attn_output, softmax_lse) = param
 
-        decode_meta = forward_context.attn_metadata[key].decode
-        seq_len = decode_meta.cp_seq_len
+            decode_meta = forward_context.attn_metadata[key].decode
+            seq_len = decode_meta.cp_seq_len
 
-        if speculative_config and speculative_config.method == "deepseek_mtp":
-            spec_multiple = speculative_config.num_speculative_tokens + 1
-            seq_len = seq_len + [0] * (runtime_shape // spec_multiple -
-                                       len(seq_len))
-        else:
-            pad_length = runtime_shape - len(seq_len)
-            pad_tensor = torch.zeros(pad_length,
-                                     dtype=seq_len.dtype,
-                                     device=seq_len.device)
-            seq_len = torch.cat([seq_len, pad_tensor], dim=0)
+            if speculative_config and speculative_config.method == "deepseek_mtp":
+                spec_multiple = speculative_config.num_speculative_tokens + 1
+                seq_len = seq_len + [0] * (runtime_shape // spec_multiple -
+                                           len(seq_len))
+            else:
+                pad_length = runtime_shape - len(seq_len)
+                pad_tensor = torch.zeros(pad_length,
+                                         dtype=seq_len.dtype,
+                                         device=seq_len.device)
+                seq_len = torch.cat([seq_len, pad_tensor], dim=0)
 
-        with torch.npu.stream(update_stream):
             torch.npu.graph_task_update_begin(update_stream, handle)
 
             torch_npu.atb.npu_multi_head_latent_attention(