diff --git a/0012-enable-jit-compiler-of-loongarch64-port-by-default.patch b/0012-enable-jit-compiler-of-loongarch64-port-by-default.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7960efe52321ca33dcb5458ac5dd901240bf8bec
--- /dev/null
+++ b/0012-enable-jit-compiler-of-loongarch64-port-by-default.patch
@@ -0,0 +1,54 @@
+From 4afb7390412988eb41ccaf264dea45876f0801d9 Mon Sep 17 00:00:00 2001
+From: liuyu <liuyu@loongson.cn>
+Date: Thu, 7 Sep 2023 19:17:52 +0800
+Subject: [PATCH] Enable JIT compiler of loong64 port by default
+
+---
+ js/moz.configure                   |  2 ++
+ js/src/wasm/WasmSignalHandlers.cpp | 10 +++++-----
+ 2 files changed, 7 insertions(+), 5 deletions(-)
+
+diff --git a/js/moz.configure b/js/moz.configure
+index 7a241cac76..2bb7979e36 100644
+--- a/js/moz.configure
++++ b/js/moz.configure
+@@ -234,6 +234,8 @@ def jit_codegen(jit_enabled, simulator, target):
+         return namespace(arm64=True)
+     elif target.cpu == "x86_64":
+         return namespace(x64=True)
++    elif target.cpu == "loongarch64":
++        return namespace(loong64=True)
+
+     return namespace(**{str(target.cpu): True})
+
+diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
+index 4a45905431..074c373106 100644
+--- a/js/src/wasm/WasmSignalHandlers.cpp
++++ b/js/src/wasm/WasmSignalHandlers.cpp
+@@ -158,10 +158,10 @@ using mozilla::DebugOnly;
+ #      define R32_sig(p) ((p)->uc_mcontext.gp_regs[32])
+ #    endif
+ #    if defined(__linux__) && defined(__loongarch__)
+-#      define EPC_sig(p) ((p)->uc_mcontext.pc)
+-#      define RRA_sig(p) ((p)->uc_mcontext.gregs[1])
+-#      define RSP_sig(p) ((p)->uc_mcontext.gregs[3])
+-#      define RFP_sig(p) ((p)->uc_mcontext.gregs[22])
++#      define EPC_sig(p) ((p)->uc_mcontext.__pc)
++#      define RRA_sig(p) ((p)->uc_mcontext.__gregs[1])
++#      define R03_sig(p) ((p)->uc_mcontext.__gregs[3])
++#      define RFP_sig(p) ((p)->uc_mcontext.__gregs[22])
+ #    endif
+ #  elif defined(__NetBSD__)
+ #    define EIP_sig(p) ((p)->uc_mcontext.__gregs[_REG_EIP])
+@@ -403,7 +403,7 @@ struct macos_aarch64_context {
+ #  elif defined(__loongarch__)
+ #    define PC_sig(p) EPC_sig(p)
+ #    define FP_sig(p) RFP_sig(p)
+-#    define SP_sig(p) RSP_sig(p)
++#    define SP_sig(p) R03_sig(p)
+ #    define LR_sig(p) RRA_sig(p)
+ #  endif
+
+--
+2.20.1
+
diff --git a/mozjs102.spec b/mozjs102.spec
index 352c293a48b5a5c6a6e12b7d3ceaefc850f74668..4796f752ac743165aa08b274f324ad6806046f92 100644
--- a/mozjs102.spec
+++ b/mozjs102.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 
 %global major 102
 
@@ -52,6 +52,9 @@ Patch10:        0010-spidermonkey_checks_disable.patch
 
 Patch11:        0011-Skip-failing-tests-on-aarch64.patch
 
+# Enable jit compiler in loongarch64
+Patch12:        0012-enable-jit-compiler-of-loongarch64-port-by-default.patch
+
 BuildRequires:  cargo
 BuildRequires:  clang-devel
 BuildRequires:  gcc
@@ -231,6 +234,9 @@ ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
 %doc README.html
 
 %changelog
+* Mon Oct 9 2023 liuyu <liuyu@loongson.cn> - 102.15.0-2
+- Enable jit compiler in loongarch64
+
 * Thu Aug 31 2023 Funda Wang <fundawang@yeah.net> - 102.15.0-1
 - New version 102.15.0