diff --git a/test/distributed/test_hccl_stream_id.py b/test/distributed/test_hccl_stream_id.py
index 9be7044479d13415bd8b058ca5192ce8f68c06da..ae34f806563541dfa2caf13ce2f35cede09c503a 100644
--- a/test/distributed/test_hccl_stream_id.py
+++ b/test/distributed/test_hccl_stream_id.py
@@ -38,14 +38,14 @@ class HcclStreamIdTest(TestCase):
             dist_group.recv(recv_tensor, src)
             p2p_stream_id = _world.default_pg._get_backend(torch.device('npu'))._get_stream_id(True, src)
 
-        stream_num = os.environ.get("STREAMS_PER_DEVICE", 8)
+        stream_num = os.environ.get("STREAMS_PER_DEVICE", 32)
         try:
             stream_num = int(stream_num)
         except Exception:
-            stream_num = 8
+            stream_num = 32
 
-        if stream_num != 32:
-            stream_num = 8
+        if stream_num != 8:
+            stream_num = 32
         assert0 = ((collective_stream_id & stream_num) == stream_num)
         assert1 = (collective_stream_id == p2p_stream_id)
         collective_stream = torch.npu.Stream(stream_id=collective_stream_id, device_type=20)
diff --git a/torch_npu/csrc/core/npu/register/OptionsManager.cpp b/torch_npu/csrc/core/npu/register/OptionsManager.cpp
index 1eedf54559d1171ab270b1288523fdf0295ffa63..6a822abb33488bf2c1286888f38b7c2d6b9fd9c3 100644
--- a/torch_npu/csrc/core/npu/register/OptionsManager.cpp
+++ b/torch_npu/csrc/core/npu/register/OptionsManager.cpp
@@ -497,10 +497,10 @@ uint32_t OptionsManager::GetStreamsPerDevice()
     const static uint32_t streams_per_device = []() -> uint32_t {
         char* buf_val = std::getenv("STREAMS_PER_DEVICE");
         // Default 8
-        int64_t streams_per_device = (buf_val != nullptr) ? strtol(buf_val, nullptr, 10) : 8;
+        int64_t streams_per_device = (buf_val != nullptr) ? strtol(buf_val, nullptr, 10) : 32;
         if (streams_per_device != 8 && streams_per_device != 32) {
-            streams_per_device = 8;
-            TORCH_NPU_WARN_ONCE("STREAMS_PER_DEVICE only support 8 or 32, but get other value, so reset it to the default value 8");
+            streams_per_device = 32;
+            TORCH_NPU_WARN_ONCE("STREAMS_PER_DEVICE only support 8 or 32, but get other value, so reset it to the default value 32");
         }
         return static_cast<uint32_t>(streams_per_device);
     }();