diff --git a/dependency/masstree/0002-add-support-for-riscv64.patch b/dependency/masstree/0002-add-support-for-riscv64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..911d2cfc49d432b086e82e014fcfb69a4defafb7
--- /dev/null
+++ b/dependency/masstree/0002-add-support-for-riscv64.patch
@@ -0,0 +1,54 @@
+From ea5237f9124cec1ccf4175647c7475f3b5b1dd0a Mon Sep 17 00:00:00 2001
+From: huangji <huangji@iscas.ac.cn>
+Date: Sat, 18 Jan 2025 17:27:44 +0000
+Subject: [PATCH 1/2] add support for riscv64
+
+Signed-off-by: huangji <huangji@iscas.ac.cn>
+---
+ Makefile    | 2 ++
+ compiler.hh | 2 +-
+ string.cpp  | 2 +-
+ 3 files changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index f47c8a2..923892b 100644
+--- a/Makefile
++++ b/Makefile
+@@ -18,6 +18,8 @@ CXXFLAGS = -g -W -O3 -std=gnu++11 -Wextra -D_GLIBCXX_USE_CXX11_ABI=0 -fPIC -g -W
+ 
+ ifeq ($(shell uname -p),aarch64)
+ 	CXXFLAGS += -march=armv8-a+crc
++else ifeq ($(shell uname -p),riscv64)
++    CXXFLAGS += -march=rv64gc
+ else
+ 	CXXFLAGS += -mcx16
+ endif
+diff --git a/compiler.hh b/compiler.hh
+index 10fbd86..f7a5293 100644
+--- a/compiler.hh
++++ b/compiler.hh
+@@ -55,7 +55,7 @@
+ #define PREFER_X86 1
+ #define ALLOW___SYNC_BUILTINS 1
+ 
+-#if !defined(HAVE_INDIFFERENT_ALIGMENT) && (__i386__ || __x86_64__ || __arch_um__)
++#if !defined(HAVE_INDIFFERENT_ALIGMENT) && (__i386__ || __x86_64__ || __arch_um__ || __riscv)
+ # define HAVE_INDIFFERENT_ALIGNMENT 1
+ #endif
+ 
+diff --git a/string.cpp b/string.cpp
+index 1ddaf58..8f56b2d 100644
+--- a/string.cpp
++++ b/string.cpp
+@@ -282,7 +282,7 @@ String_generic::hashcode(const char *s, int len)
+ #undef get16
+ #if !HAVE_INDIFFERENT_ALIGNMENT
+     } else {
+-# if !__i386__ && !__x86_64__ && !__arch_um__
++# if !__i386__ && !__x86_64__ && !__arch_um__ && !__riscv
+ #  define get16(p) (((unsigned char) (p)[0] << 8) + (unsigned char) (p)[1])
+ # else
+ #  define get16(p) ((unsigned char) (p)[0] + ((unsigned char) (p)[1] << 8))
+-- 
+2.33.0
+
diff --git a/dependency/masstree/0003-fix-gcc-build-error.patch b/dependency/masstree/0003-fix-gcc-build-error.patch
new file mode 100644
index 0000000000000000000000000000000000000000..20f49a158ce4fafdeaef388d0f9d92fbdf4f5aa1
--- /dev/null
+++ b/dependency/masstree/0003-fix-gcc-build-error.patch
@@ -0,0 +1,53 @@
+From 0f53d73bfac34d2092dfc3859f1f2d7307256a4c Mon Sep 17 00:00:00 2001
+From: huangji <huangji@iscas.ac.cn>
+Date: Sat, 18 Jan 2025 17:36:11 +0000
+Subject: [PATCH 2/2] fix gcc build error
+
+Signed-off-by: huangji <huangji@iscas.ac.cn>
+---
+ Makefile       | 2 +-
+ string_base.hh | 8 ++++++++
+ 2 files changed, 9 insertions(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 923892b..786df2f 100644
+--- a/Makefile
++++ b/Makefile
+@@ -19,7 +19,7 @@ CXXFLAGS = -g -W -O3 -std=gnu++11 -Wextra -D_GLIBCXX_USE_CXX11_ABI=0 -fPIC -g -W
+ ifeq ($(shell uname -p),aarch64)
+ 	CXXFLAGS += -march=armv8-a+crc
+ else ifeq ($(shell uname -p),riscv64)
+-    CXXFLAGS += -march=rv64gc
++    CXXFLAGS += -march=rv64gc -mno-strict-align
+ else
+ 	CXXFLAGS += -mcx16
+ endif
+diff --git a/string_base.hh b/string_base.hh
+index adcd717..601cc2d 100644
+--- a/string_base.hh
++++ b/string_base.hh
+@@ -513,6 +513,7 @@ inline typename T::substring_type String_generic::trim(const T &str) {
+ }
+ 
+ #if HAVE_STD_HASH
++#if __GNUC__ <= 10
+ # define LCDF_MAKE_STRING_HASH(type) \
+     namespace std { template <> struct hash<type>          \
+         : public unary_function<const type&, size_t> {     \
+@@ -520,6 +521,13 @@ inline typename T::substring_type String_generic::trim(const T &str) {
+             return x.hashcode();                           \
+         } }; }
+ #else
++# define LCDF_MAKE_STRING_HASH(type) \
++    namespace std { template <> struct hash<type> {        \
++        size_t operator()(const type& x) const noexcept {  \
++            return x.hashcode();                           \
++        } }; }
++#endif
++#else
+ # define LCDF_MAKE_STRING_HASH(type)
+ #endif
+ 
+-- 
+2.33.0
+
diff --git a/dependency/masstree/build.sh b/dependency/masstree/build.sh
index 2459377750e4512575fd51ccb2d7b6a36538adaf..eef99cd06d6ba86600548b874804fc7a5b998c26 100644
--- a/dependency/masstree/build.sh
+++ b/dependency/masstree/build.sh
@@ -25,6 +25,8 @@ tar -zxf $MASSTREE_PACKAGE -C $MASSTREE_MEGRED_SOURCES_DIR --strip-components 1
 
 cd $MASSTREE_MEGRED_SOURCES_DIR
 patch -p1 < ../0001-Masstree-v1.0.1-MOT.patch
+patch -p1 < ../0002-add-support-for-riscv64.patch
+patch -p1 < ../0003-fix-gcc-build-error.patch
 sed -i "s/LDFLAGS =/LDFLAGS = -fstack-protector-all -z,now/g" Makefile
 sed -i "s/\$(CXX) -shared/\$(CXX) -fstack-protector-all -Wl,-z,relro,-z,now -shared/g" Makefile