diff --git a/0001-modify-CodeMode-on-loongarch64.patch b/0001-modify-CodeMode-on-loongarch64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..960b41b8679cda57bed84cd0f17ec37b66a71f89
--- /dev/null
+++ b/0001-modify-CodeMode-on-loongarch64.patch
@@ -0,0 +1,45 @@
+From d25b11a444f7c0d796adcc191813d167ba51d44e Mon Sep 17 00:00:00 2001
+From: Huang Yang <huangyang@loongson.cn>
+Date: Fri, 22 Aug 2025 14:03:26 +0800
+Subject: [PATCH] modify CodeMode on loongarch64
+
+---
+ src/backend/jit/llvm/llvmjit.c | 15 +++++++++++++--
+ 1 file changed, 13 insertions(+), 2 deletions(-)
+
+diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c
+index aadba6b..638553b 100644
+--- a/src/backend/jit/llvm/llvmjit.c
++++ b/src/backend/jit/llvm/llvmjit.c
+@@ -961,7 +961,18 @@ llvm_session_initialize(void)
+ 	features = LLVMGetHostCPUFeatures();
+ 	elog(DEBUG2, "LLVMJIT detected CPU \"%s\", with features \"%s\"",
+ 		 cpu, features);
+-
++#if defined(__loongarch_lp64)
++	opt0_tm =
++		LLVMCreateTargetMachine(llvm_targetref, llvm_triple, cpu, features,
++								LLVMCodeGenLevelNone,
++								LLVMRelocDefault,
++								LLVMCodeModelLarge);
++	opt3_tm =
++		LLVMCreateTargetMachine(llvm_targetref, llvm_triple, cpu, features,
++								LLVMCodeGenLevelAggressive,
++								LLVMRelocDefault,
++								LLVMCodeModelLarge);
++#else
+ 	opt0_tm =
+ 		LLVMCreateTargetMachine(llvm_targetref, llvm_triple, cpu, features,
+ 								LLVMCodeGenLevelNone,
+@@ -972,7 +983,7 @@ llvm_session_initialize(void)
+ 								LLVMCodeGenLevelAggressive,
+ 								LLVMRelocDefault,
+ 								LLVMCodeModelJITDefault);
+-
++#endif
+ 	LLVMDisposeMessage(cpu);
+ 	cpu = NULL;
+ 	LLVMDisposeMessage(features);
+-- 
+2.43.7
+
diff --git a/postgresql16.spec b/postgresql16.spec
index a0fe39a1705615af053106760e8c42576d0d2483..3fcc01a8a270667b7dd3dd38485994686b2ae1a0 100644
--- a/postgresql16.spec
+++ b/postgresql16.spec
@@ -10,11 +10,7 @@
 
 %{!?test:%global test 1}
 # enable llvmjit, due to citus-llvmjit
-%ifarch loongarch64
-%{!?llvmjit:%global llvmjit 0}
-%else
 %{!?llvmjit:%global llvmjit 1}
-%endif
 %{!?external_libpq:%global external_libpq 0}
 %{!?upgrade:%global upgrade 1}
 %{!?plpython3:%global plpython3 1}
@@ -53,7 +49,7 @@
 Summary:       PostgreSQL client programs
 Name:          %{majorname}%{majorversion}
 Version: 	   16.10
-Release:       1%{?dist}
+Release:       2%{?dist}
 License:       PostgreSQL
 Url:           http://www.postgresql.org/
 Source0:       https://ftp.postgresql.org/pub/source/v%{version}/postgresql-%{version}.tar.bz2
@@ -71,6 +67,7 @@ Patch3004:     postgresql-server-pg_config.patch
 Patch3005:     postgresql-pgcrypto-openssl3-tests.patch
 Patch3031:     postgresql-external-libpq.patch
 Patch3032:     postgresql-no-libecpg.patch
+Patch3040:     0001-modify-CodeMode-on-loongarch64.patch
 
 %define majorversion %(echo %{version} | cut -d. -f1)
 
@@ -436,6 +433,7 @@ goal of accelerating analytics queries.
 %else
 %patch -P 3032 -p1
 %endif
+%patch -P 3040 -p1
 
 
 %if ! %external_libpq
@@ -1175,6 +1173,10 @@ make -C postgresql-setup-%{setup_version} check
 
 
 %changelog
+* Fri Aug 22 2025 Huang Yang <huangyang@loongson.cn> - 16.10-2
+- [Type] bugfix
+- [DESC] enable llvm on loongarch64
+
 * Mon Aug 18 2025 Wang Guodong <gordonwwang@tencent.com> - 16.10-1
 - Upgrade to version 16.10, fix CVE-2025-8713, CVE-2025-8714, CVE-2025-8715