diff --git a/gcc.spec b/gcc.spec
index 947cc93959f8308ded3f2e1e3ad2c7c783555d49..06c4e9a482f83881d1befbdefac4c7e263a2b84d 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 33
+%global gcc_release 34
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -73,7 +73,7 @@
 %global _smp_mflags -j8
 %endif
 
-%global isl_enable 1
+%global isl_enable 0
 %global check_enable 0
 
 Summary: Various compilers (C, C++, Objective-C, ...)
@@ -3275,6 +3275,12 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Tue Aug 13 2024 huyubiao <huyubiao@huawei.com> - 12.3.1-34
+- Type:SPEC
+- ID:NA
+- SUG:NA
+- DESC:disable isl
+
 * Wed Jul 24 2024 Peng Fan <fanpeng@loongson.cn> - 12.3.1-33
 - Type: Sync
 - DESC: Optimize the loading of immediate numbers.