diff --git a/readme.md b/readme.md
index 235a75c9..2d7b7270 100644
--- a/readme.md
+++ b/readme.md
@@ -37,23 +37,33 @@ IMPORTANT: We have noticed some systems require the VS C++ redistribution, often
 ### Dev Environment Setup (backend, python)
 
 1. Create and switch the conda environment and go to the service directory.
+
 ```cmd
 conda create -n aipg_xpu python=3.10 -y
-activate aipg_xpu
-pip install -r requirements.txt
-```
+conda activate aipg_xpu
+conda install libuv -y
 
-3. Download the Intel Extension For Pytorch* AOT Packages. Depending on your hardware, download cp310 whl files from the links below.
+cd service
 
-Core Ultra-H https://github.com/Nuullll/intel-extension-for-pytorch/releases/tag/v2.1.20%2Bmtl%2Boneapi
+@REM for Desktop-dGPU (e.g. A770)
+pip install -r requriements-arc.txt
 
-The Arc A - Series dGPU https://github.com/Nuullll/intel-extension-for-pytorch/releases/tag/v2.1.10%2Bxpu
+@REM for Intel Core Ultra-H (MTL)
+pip install -r requriements-ultra.txt
+```
 
-Install all downloaded whl files using the pip install command
+2. Check whether the XPU environment is correct
 
-4. Check whether the XPU environment is correct
 ```cmd
-python -c "import torch; import intel_extension_for_pytorch as ipex; print(torch.version); print(ipex.version); [print(f'[{i}]: {torch.xpu.get_device_properties(i)}') for i in range(torch.xpu.device_count())];"
+python -c "import torch; import intel_extension_for_pytorch as ipex; print(torch.__version__); print(ipex.__version__); [print(f'[{i}]: {torch.xpu.get_device_properties(i)}') for i in range(torch.xpu.device_count())];"
+```
+
+Example output:
+
+```txt
+2.1.0.post3+cxx11.abi
+2.1.40+xpu
+[0]: _DeviceProperties(name='Intel(R) Arc(TM) Graphics', platform_name='Intel(R) Level-Zero', dev_type='gpu', driver_version='1.3.29283', has_fp64=1, total_memory=14765MB, max_compute_units=112, gpu_eu_count=112)
 ```
 
 
diff --git a/service/requirements-arc.txt b/service/requirements-arc.txt
index 7c4d02e8..fe85eee5 100644
--- a/service/requirements-arc.txt
+++ b/service/requirements-arc.txt
@@ -1,15 +1,14 @@
-
-
 basicsr==1.4.2
 compel==2.0.2
 datasets==2.18.0
 diffusers==0.27.2
 Flask==3.0.3
 huggingface_hub==0.22.2
-ipex_llm==2.1.0b20240705
-langchain==0.2.2
+ipex_llm==2.1.0
+bigdl-core-xe-21==2.5.0
+bigdl-core-xe-addons-21==2.5.0
+bigdl-core-xe-batch-21==2.5.0
 langchain_community==0.2.9
-langchain_core==0.2.4
 numpy==1.26.4
 opencv_python==4.9.0.80
 peft==0.10.0
@@ -19,11 +18,15 @@ Requests==2.32.3
 sentence_transformers==2.3.1
 transformers==4.39.0
 trl==0.9.3
-bigdl-core-xe-21==2.5.0b20240705
-bigdl-core-xe-addons-21==2.5.0b20240705
-bigdl-core-xe-batch-21==2.5.0b20240705
 faiss-cpu==1.8.0
 docx2txt==0.8
 pypdf==4.2.0
 unstructured==0.14.6
 setuptools==69.5.1
+
+--extra-index-url https://pytorch-extension.intel.com/release-whl/stable/xpu/us/
+torch==2.1.0.post3
+torchvision==0.16.0.post3
+torchaudio==2.1.0.post3
+intel-extension-for-pytorch==2.1.40+xpu
+mkl-dpcpp==2024.2.1
diff --git a/service/requirements-ultra.txt b/service/requirements-ultra.txt
index 12ff2ed7..2ffb26f9 100644
--- a/service/requirements-ultra.txt
+++ b/service/requirements-ultra.txt
@@ -1,15 +1,14 @@
-
-
 basicsr==1.4.2
 compel==2.0.2
 datasets==2.18.0
 diffusers==0.27.2
 Flask==3.0.3
 huggingface_hub==0.22.2
-ipex_llm==2.1.0b20240705
-langchain==0.2.2
+ipex_llm==2.1.0
+bigdl-core-xe-21==2.5.0
+bigdl-core-xe-addons-21==2.5.0
+bigdl-core-xe-batch-21==2.5.0
 langchain_community==0.2.9
-langchain_core==0.2.4
 numpy==1.26.4
 opencv_python==4.9.0.80
 peft==0.10.0
@@ -19,11 +18,15 @@ Requests==2.32.3
 sentence_transformers==2.3.1
 transformers==4.39.0
 trl==0.9.3
-bigdl-core-xe-21==2.5.0b20240705
-bigdl-core-xe-addons-21==2.5.0b20240705
-bigdl-core-xe-batch-21==2.5.0b20240705
 faiss-cpu==1.8.0
 docx2txt==0.8
 pypdf==4.2.0
 unstructured==0.14.6
-setuptools==69.5.1
\ No newline at end of file
+setuptools==69.5.1
+
+--extra-index-url https://pytorch-extension.intel.com/release-whl/stable/mtl/us/
+torch==2.1.0.post3
+torchvision==0.16.0.post3
+torchaudio==2.1.0.post3
+intel-extension-for-pytorch==2.1.40+xpu
+mkl-dpcpp==2024.2.1