diff --git a/qt5-qtwebkit.spec b/qt5-qtwebkit.spec
index 207856e78f238808feaf9ff8e4b6af5ef73daac2..8e481af157714da76cda6c5093b9de681cb95548 100644
--- a/qt5-qtwebkit.spec
+++ b/qt5-qtwebkit.spec
@@ -16,7 +16,7 @@
 
 Name:           qt5-%{qt_module}
 Version:        5.212.0
-Release:        10
+Release:        11
 Summary:        Qt5 - QtWebKit components
 
 License:        LGPL-2.0-or-later and BSD-2-Clause
@@ -36,6 +36,7 @@ Patch7:         webkit-offlineasm-warnings-ruby27.patch
 Patch8:         qtwebkit-cstdint.patch
 
 Patch9:         0001-add-riscv64-support.patch
+Patch10:        qt5-webkit-add-sw64-support.patch
 
 BuildRequires:  bison
 BuildRequires:  cmake
@@ -161,10 +162,10 @@ cmake . \
        -DCMAKE_C_FLAGS_RELEASE:STRING="-DNDEBUG" \
        -DCMAKE_CXX_FLAGS_RELEASE:STRING="-DNDEBUG" \
        -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
-%ifarch s390 s390x ppc %{power64} loongarch64 riscv64
+%ifarch s390 s390x ppc %{power64} loongarch64 riscv64 sw_64
        -DENABLE_JIT=OFF \
 %endif
-%ifarch s390 s390x ppc %{power64} loongarch64 riscv64
+%ifarch s390 s390x ppc %{power64} loongarch64 riscv64 sw_64
        -DUSE_SYSTEM_MALLOC=ON \
 %endif
        %{?docs:-DGENERATE_DOCUMENTATION=ON} \
@@ -243,6 +244,9 @@ test -z "$(pkg-config --cflags Qt5WebKit | grep Qt5WebKit)"
 
 
 %changelog
+* Wed Mar 05 2025 yueyuankun <yueyuankun@kylinos.cn> - 5.212.0-11
+- add sw_64 support for qt5-qtwebkit
+
 * Thu Sep 21 2023 Jingwiw  <wangjingwei@iscas.ac.cn> - 5.212.0-10
 - add riscv64 support for qt5-qtwebkit
 
diff --git a/qt5-webkit-add-sw64-support.patch b/qt5-webkit-add-sw64-support.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f85284478c73c102653a75571f7b04d483fcc319
--- /dev/null
+++ b/qt5-webkit-add-sw64-support.patch
@@ -0,0 +1,79 @@
+From 9b0212d104ca5b74965b51514347c36aa845cb1a Mon Sep 17 00:00:00 2001
+From: yueyuankun <yueyuankun@kylinos.cn>
+Date: Wed, 5 Mar 2025 15:45:41 +0800
+Subject: [PATCH] add sw_64 support for qt5-webkit
+
+---
+ CMakeLists.txt                       | 2 ++
+ Source/JavaScriptCore/CMakeLists.txt | 1 +
+ Source/WTF/wtf/Platform.h            | 8 +++++++-
+ Source/WTF/wtf/dtoa/utils.h          | 2 +-
+ 4 files changed, 11 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 77687d3..d3f697a 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -92,6 +92,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64")
+     set(WTF_CPU_LOONGARCH64 1)
+ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "riscv64")
+     set(WTF_CPU_RISCV64 1)
++elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "sw_64")
++    set(WTF_CPU_SW_64 1)
+ else ()
+     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
+ endif ()
+diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
+index ed35b54..b620948 100644
+--- a/Source/JavaScriptCore/CMakeLists.txt
++++ b/Source/JavaScriptCore/CMakeLists.txt
+@@ -1291,6 +1291,7 @@ elseif (WTF_CPU_X86)
+ elseif (WTF_CPU_LOONGARCH64)
+ elseif (WTF_CPU_RISCV64)
+ elseif (WTF_CPU_X86_64)
++elseif (WTF_CPU_SW_64)
+     if (MSVC AND ENABLE_JIT)
+         add_custom_command(
+             OUTPUT ${DERIVED_SOURCES_DIR}/JITStubsMSVC64.obj
+diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
+index 338fddc..3002ffb 100644
+--- a/Source/WTF/wtf/Platform.h
++++ b/Source/WTF/wtf/Platform.h
+@@ -185,6 +185,11 @@
+ #define WTF_CPU_RISCV64 1
+ #endif
+ 
++/* CPU(SW_64) - SW_64 */
++#if defined(__sw_64)
++#define WTF_CPU_SW_64 1
++#endif
++
+ /* CPU(ARM64) - Apple */
+ #if (defined(__arm64__) && defined(__APPLE__)) || defined(__aarch64__)
+ #define WTF_CPU_ARM64 1
+@@ -718,7 +723,8 @@
+     || CPU(PPC64) \
+     || CPU(PPC64LE) \
+     || CPU(RISCV64) \
+-    || CPU(LOONGARCH64)
++    || CPU(LOONGARCH64) \
++    || CPU(SW_64)
+ #define USE_JSVALUE64 1
+ #else
+ #define USE_JSVALUE32_64 1
+diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
+index b136162..6dc3843 100644
+--- a/Source/WTF/wtf/dtoa/utils.h
++++ b/Source/WTF/wtf/dtoa/utils.h
+@@ -49,7 +49,7 @@
+ defined(__ARMEL__) || \
+ defined(_MIPS_ARCH_MIPS32R2)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(LOONGARCH64) || CPU(RISCV64)
++#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(LOONGARCH64) || CPU(RISCV64) || CPU(SW_64)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(_M_IX86) || defined(__i386__)
+ #if defined(_WIN32)
+-- 
+2.43.0
+