diff --git a/gcc.spec b/gcc.spec
index a95de7d829e8c12f2c205875cf80ad68ce6fb9f7..9262a52b15372a803904701e5da8b3554e4c7e43 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -2,7 +2,7 @@
 %global gcc_major 12
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 30
+%global gcc_release 31
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -76,7 +76,7 @@
 %global _lib lib
 %endif
 
-%global isl_enable 1
+%global isl_enable 0
 %global check_enable 0
 
 Summary: Various compilers (C, C++, Objective-C, ...)
@@ -3268,6 +3268,12 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Thu Jul 11 2024 huyubiao <huyubiao@huawei.com> - 12.3.1-31
+- Type:SPEC
+- ID:NA
+- SUG:NA
+- DESC:disable isl
+
 * Fri May 17 2024 Zhenyu Zhao <zhaozhenyu17@huawei.com> - 12.3.1-30
 - Type: Sync
 - DESC: Sync bug fix patch from openeuler/gcc