diff --git a/bitcoinlib-0.6.10.tar.gz b/bitcoinlib-0.6.10.tar.gz
deleted file mode 100644
index 53baf56d79f476445af3dc55a23068eeb2523a30..0000000000000000000000000000000000000000
Binary files a/bitcoinlib-0.6.10.tar.gz and /dev/null differ
diff --git a/python-bitcoinlib-0.12.2.tar.gz b/python-bitcoinlib-0.12.2.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..9b62594ff179400f94e416d65160c6cd38686734
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diff --git a/python-bitcoinlib.spec b/python-bitcoinlib.spec
index 91b8e034744c2cedab78fc98fc7d4219d419d2a6..cfe76e0dca23e9db92ba2ccf647512ed5f33fce1 100644
--- a/python-bitcoinlib.spec
+++ b/python-bitcoinlib.spec
@@ -1,11 +1,11 @@
 %global _empty_manifest_terminate_build 0
 Name:		python-bitcoinlib
-Version:	0.6.10
+Version:	0.12.2
 Release:	1
 Summary:	Bitcoin and Other cryptocurrency Library
 License:	GPL-3.0-only
 URL:		http://github.com/1200wd/bitcoinlib
-Source0:	https://files.pythonhosted.org/packages/11/36/2b124a87fbdc32cdf999716d7266c4304702be1e1b7c58938d190cfc67fb/bitcoinlib-0.6.10.tar.gz
+Source0:	https://files.pythonhosted.org/packages/90/a1/ca9d770094a0bfd0f2ce66b7180f0a7729b1b646d90f37f6debf38b28fab/python-bitcoinlib-0.12.2.tar.gz
 BuildArch:	noarch
 
 %description
@@ -50,28 +50,41 @@ The BitcoinLib connects to various service providers automatically to update wal
 blockchain information. It does currently not parse the blockchain itself.
 
 %prep
-%autosetup -n bitcoinlib-%{version}
+%autosetup -n python-bitcoinlib-%{version}
 
 %build
 %pyproject_build
 
 %install
+# Prevent Python from writing bytecode files during installation
+export PYTHONDONTWRITEBYTECODE=1
 %pyproject_install
+# Remove __pycache__ directories (not needed in package, Python will regenerate them at runtime)
+find %{buildroot} -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true
+find %{buildroot} -name "*.pyc" -delete 2>/dev/null || true
+find %{buildroot} -name "*.pyo" -delete 2>/dev/null || true
 install -d -m755 %{buildroot}/%{_pkgdocdir}
 if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
 if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
 if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi
 if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi
+# Remove __pycache__ directories before generating filelist
+find %{buildroot} -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true
+find %{buildroot} -name "*.pyc" -delete 2>/dev/null || true
+find %{buildroot} -name "*.pyo" -delete 2>/dev/null || true
 pushd %{buildroot}
 touch filelist.lst
+if [ -d usr/lib ]; then
+	find usr/lib -type f ! -path "*/__pycache__/*" -printf "/%h/%f\n" >> filelist.lst
+fi
 if [ -d usr/lib64 ]; then
-        find usr/lib64 -type f -printf "\"/%h/%f\"\n" >> filelist.lst
+	find usr/lib64 -type f ! -path "*/__pycache__/*" -printf "/%h/%f\n" >> filelist.lst
 fi
 if [ -d usr/bin ]; then
-        find usr/bin -type f -printf "\"/%h/%f\"\n" >> filelist.lst
+	find usr/bin -type f ! -path "*/__pycache__/*" -printf "/%h/%f\n" >> filelist.lst
 fi
 if [ -d usr/sbin ]; then
-        find usr/sbin -type f -printf "\"/%h/%f\"\n" >> filelist.lst
+	find usr/sbin -type f ! -path "*/__pycache__/*" -printf "/%h/%f\n" >> filelist.lst
 fi
 touch doclist.lst
 if [ -d usr/share/man ]; then
@@ -80,14 +93,32 @@ fi
 popd
 mv %{buildroot}/filelist.lst .
 mv %{buildroot}/doclist.lst .
+# Final cleanup of __pycache__ before RPM checks for unpackaged files
+rm -rf %{buildroot}%{python3_sitelib}/bitcoin/__pycache__ 2>/dev/null || true
+rm -rf %{buildroot}%{python3_sitelib}/bitcoin/*/__pycache__ 2>/dev/null || true
+rm -rf %{buildroot}%{python3_sitelib}/bitcoin/*/*/__pycache__ 2>/dev/null || true
+find %{buildroot} -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true
+find %{buildroot} -name "*.pyc" -delete 2>/dev/null || true
+find %{buildroot} -name "*.pyo" -delete 2>/dev/null || true
 
 %files -n python3-bitcoinlib -f filelist.lst
-%{python3_sitelib}/*
+%dir %{python3_sitelib}/*
+%exclude %{python3_sitelib}/bitcoin/__pycache__
+%exclude %{python3_sitelib}/bitcoin/__pycache__/*
+%exclude %{python3_sitelib}/bitcoin/*/__pycache__
+%exclude %{python3_sitelib}/bitcoin/*/__pycache__/*
+%exclude %{python3_sitelib}/bitcoin/*/*/__pycache__
+%exclude %{python3_sitelib}/bitcoin/*/*/__pycache__/*
 
-%files help -f doclist.lst
+%files help
 %{_docdir}/*
 
 %changelog
+* Wed Nov 12 2025 <zhaojianbin@kylinos.com> - 0.12.2-1
+- Update package to version 0.12.2
+- Remove __pycache__ directories from package (Python will regenerate them at runtime)
+- Add %exclude for all nested __pycache__ directories (including bitcoin/core/contrib)
+
 * Mon Nov 11 2024 liutao1 <liutao1@kylinos.cn> - 0.6.10-1
 - Update package to version 0.6.10
   Allow to encrypt private key fields in database