diff --git a/duktape-2.6.0.tar.xz b/duktape-2.6.0.tar.xz
deleted file mode 100644
index 494287c..0000000
Binary files a/duktape-2.6.0.tar.xz and /dev/null differ
diff --git a/duktape-2.7.0.tar.xz b/duktape-2.7.0.tar.xz
new file mode 100644
index 0000000..5871612
Binary files /dev/null and b/duktape-2.7.0.tar.xz differ
diff --git a/duktape.spec b/duktape.spec
index e5b67ce..86db278 100644
--- a/duktape.spec
+++ b/duktape.spec
@@ -1,6 +1,6 @@
 Name:           duktape
-Version:        2.6.0
-Release:        2
+Version:        2.7.0
+Release:        1
 Summary:        Embeddable Javascript engine
 License:        MIT
 Url:            http://duktape.org/
@@ -33,9 +33,8 @@ sed -e's|@prefix@|%{_prefix}|' \
     < %{SOURCE1} > %{name}.pc.in
 
 %build
-sed -e '/^INSTALL_PREFIX/s|[^=]*$|%{_prefix}|' \
+sed -e '/^INSTALL_PREFIX/s|[^?=]*$|%{_prefix}|' \
     -e '/install\:/a\\tinstall -d $(DESTDIR)$(INSTALL_PREFIX)/%{_lib}\n\tinstall -d $(DESTDIR)$(INSTALL_PREFIX)/include' \
-    -e 's/\(\$.INSTALL_PREFIX.\)/$(DESTDIR)\1/g' \
     -e 's/\/lib\b/\/%{_lib}/g' \
      < Makefile.sharedlibrary > Makefile
 %make_build
@@ -65,6 +64,9 @@ install -Dm0644 %{name}.pc.in %{buildroot}%{_libdir}/pkgconfig/%{name}.pc
 %{_libdir}/pkgconfig/duktape.pc
 
 %changelog
+* Thu Nov 3 2022 zhengxiaoxiao<zhengxiaoxiao2@huawei.com> - 2.7.0-1
+- update to 2.7.0
+
 * Thu Apr 28 2022 Hugel<gengqihu1@h-partners.com> - 2.6.0-2
 - delete examples from devel