diff --git a/.gitignore copy b/.gitignore copy
deleted file mode 100644
index 3a193b3b376047d2cecaa57fde9dc681a8898801..0000000000000000000000000000000000000000
--- a/.gitignore copy	
+++ /dev/null
@@ -1,40 +0,0 @@
-# Build and Release Folders
-bin-debug/
-bin-release/
-[Oo]bj/
-[Bb]in/
-build/
-dist/
-starmodel/
-cpism_refdata/
-*.egg-info
-
-# Other files and folders
-.settings/
-_*/
-
-~*
-.VSCodeCounter
-.vscode
-*.log
-output/
-*.log.*
-/*.fits
-testrun/
-example/example_output/
-
-docs/notebooks/image_files/_*
-
-# unitest output
-tests/.coverage
-tests/htmlcov/
-
-# Executables
-*.swf
-*.air
-*.ipa
-*.apk
-
-# Project files, i.e. `.project`, `.actionScriptProperties` and `.flexProperties`
-# should NOT be excluded as they contain compiler settings and other important
-# information for Eclipse / Flash Builder.
diff --git a/data/refdata_path.yaml b/data/refdata_path.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..0e753607f32d6d4200837855d26a983e48eebd85
--- /dev/null
+++ b/data/refdata_path.yaml
@@ -0,0 +1,2 @@
+/nfsdata/share/simulation-unittest/cpic_sim
+...
\ No newline at end of file
diff --git a/setup.py b/setup.py
index e3f6d77a26fed2097cd05cf65c62c3844f4fdcf2..f782661431f96a0305aedd267201559bab1a5d9c 100644
--- a/setup.py
+++ b/setup.py
@@ -1,9 +1,17 @@
 import setuptools
-import CpicImgSim
+import csst_cpic_sim
+
+with open("requirements.txt", "r") as f:
+    requirements = [
+        req.strip()
+        for req in f.readlines()
+        if not req.startswith("#") and req.__contains__("==")
+    ]
+
 
 setuptools.setup(
-    name='CpicImgSim',
-    version=CpicImgSim.__version__,
+    name='csst_cpic_sim',
+    version=csst_cpic_sim.__version__,
     author='CSST Team',
     author_email='gzhao@niaot.ac.cn',
     description='The CSST CPIC Simulation',  # short description
@@ -18,9 +26,9 @@ setuptools.setup(
         "Topic :: Scientific/Engineering :: Physics",
         "Topic :: Scientific/Engineering :: Astronomy"
     ],
-    package_dir={'CpicImgSim': 'CpicImgSim'},
+    package_dir={'csst_cpic_sim': 'csst_cpic_sim'},
     include_package_data=False,
 
-    install_requires=['numpy', 'scipy', 'astropy', 'pysynphot', 'hcipy'],
+    install_requires=requirements,
     python_requires='>=3.8',
 )