diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 815f9dd5d..e6d723229 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -108,7 +108,6 @@ jobs:
 
       - name: Build MAA
         run: |
-          cmd /C update-proto.bat
           cmake --preset "${{ matrix.arch == 'x86_64' && 'MSVC 2022' || 'MSVC 2022 ARM' }}" -DMAADEPS_TRIPLET="maa-${{ matrix.arch == 'x86_64' && 'x64' || 'arm64' }}-windows" -DMAA_HASH_VERSION='${{ needs.meta.outputs.tag }}'
 
           cmake --build build --preset "${{ matrix.arch == 'x86_64' && 'MSVC 2022' || 'MSVC 2022 ARM' }} - Release" -j 16
@@ -181,7 +180,6 @@ jobs:
           CC: ${{ matrix.arch == 'x86_64' && 'ccache gcc' || 'ccache aarch64-linux-gnu-gcc' }}
           CXX: ${{ matrix.arch == 'x86_64' && 'ccache g++' || 'ccache aarch64-linux-gnu-g++' }}
         run: |
-          ./update-proto.sh
           cmake --preset 'NinjaMulti' \
             -DMAADEPS_TRIPLET='maa-${{ matrix.arch == 'x86_64' && 'x64' || 'arm64' }}-linux' \
             -DMAA_HASH_VERSION='${{ needs.meta.outputs.tag }}'
@@ -246,7 +244,6 @@ jobs:
           CC: "/usr/local/opt/llvm/bin/clang"
           CXX: "/usr/local/opt/llvm/bin/clang++"
         run: |
-          ./update-proto.sh
           cmake --preset 'NinjaMulti' \
             -DMAADEPS_TRIPLET='maa-${{ matrix.arch == 'x86_64' && 'x64' || 'arm64' }}-osx' \
             -DMAA_HASH_VERSION='${{ needs.meta.outputs.tag }}'
diff --git a/.gitignore b/.gitignore
index c4d5f824e..28e2c2d8f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -446,3 +446,4 @@ install
 
 source/MaaRpc/generated/*.h
 source/MaaRpc/generated/*.cc
+source/MaaRpc/generated/*.timestamp
diff --git a/source/MaaRpc/CMakeLists.txt b/source/MaaRpc/CMakeLists.txt
index 3c4e925de..37d2d9463 100644
--- a/source/MaaRpc/CMakeLists.txt
+++ b/source/MaaRpc/CMakeLists.txt
@@ -1,3 +1,5 @@
+include(scripts/gen.cmake)
+
 file(GLOB maa_proto ../../include/Interface/proto/*.proto)
 file(GLOB maa_proto_src generated/*.h generated/*.cc)
 file(GLOB maa_rpc_src implement/*.h implement/*.cpp API/*.cpp)
diff --git a/source/MaaRpc/scripts/gen.cmake b/source/MaaRpc/scripts/gen.cmake
new file mode 100644
index 000000000..74a08a607
--- /dev/null
+++ b/source/MaaRpc/scripts/gen.cmake
@@ -0,0 +1,24 @@
+if (WIN32)
+  set(HOST_ARCH "x64-windows")
+  set(HOST_EXE_SUFFIX ".exe")
+elseif (APPLE)
+  set(HOST_ARCH "x64-osx")
+else ()
+  set(HOST_ARCH "x64-linux")
+endif ()
+
+set(PROTO_EXE ${CMAKE_SOURCE_DIR}/MaaDeps/vcpkg/installed/${HOST_ARCH}/tools/protobuf/protoc${HOST_EXE_SUFFIX})
+set(PROTO_GRPC_EXE ${CMAKE_SOURCE_DIR}/MaaDeps/vcpkg/installed/${HOST_ARCH}/tools/grpc/grpc_cpp_plugin${HOST_EXE_SUFFIX})
+set(PROTO_INDIR ${CMAKE_SOURCE_DIR}/include/Interface/proto)
+set(PROTO_OUTDIR ${CMAKE_CURRENT_SOURCE_DIR}/generated)
+file(GLOB maa_proto ${PROTO_INDIR}/*.proto)
+
+foreach (src ${maa_proto})
+  string(REGEX REPLACE "^${PROTO_INDIR}" ${PROTO_OUTDIR} src_ts ${src})
+  if (${src} IS_NEWER_THAN ${src_ts}.timestamp)
+    message ("generate ${src}")
+    execute_process(COMMAND ${PROTO_EXE} "--proto_path=${PROTO_INDIR}" "--cpp_out=${PROTO_OUTDIR}" ${src})
+    execute_process(COMMAND ${PROTO_EXE} "--proto_path=${PROTO_INDIR}" "--grpc_out=${PROTO_OUTDIR}" "--plugin=protoc-gen-grpc=${PROTO_GRPC_EXE}" ${src})
+    file (TOUCH ${src_ts}.timestamp)
+  endif ()
+endforeach ()
diff --git a/update-proto.bat b/update-proto.bat
deleted file mode 100644
index 3fe3bc93a..000000000
--- a/update-proto.bat
+++ /dev/null
@@ -1,13 +0,0 @@
-@echo off
-
-set PROTOC=.\MaaDeps\vcpkg\installed\x64-windows\tools\protobuf\protoc
-set GRPC_PLUGIN=.\MaaDeps\vcpkg\installed\x64-windows\tools\grpc\grpc_cpp_plugin.exe
-
-set INDIR=.\include\Interface\proto
-set OUTDIR=.\source\MaaRpc\generated
-
-for %%s in (%INDIR%\*.proto) do (
-  echo PROCESSING %%s
-  %PROTOC% --proto_path=%INDIR% %%s --cpp_out=%OUTDIR%
-  %PROTOC% --proto_path=%INDIR% %%s --grpc_out=%OUTDIR% --plugin=protoc-gen-grpc=%GRPC_PLUGIN%
-)
diff --git a/update-proto.sh b/update-proto.sh
deleted file mode 100755
index 9240cecee..000000000
--- a/update-proto.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/bin/sh
-
-if [ `uname` = Darwin ]; then
-  TRIPLET="x64-osx";
-else
-  TRIPLET="x64-linux";
-fi
-
-PROTOC="./MaaDeps/vcpkg/installed/${TRIPLET}/tools/protobuf/protoc"
-GRPC_PLUGIN="./MaaDeps/vcpkg/installed/${TRIPLET}/tools/grpc/grpc_cpp_plugin"
-
-INDIR="./include/Interface/proto"
-OUTDIR="./source/MaaRpc/generated"
-
-for src in ${INDIR}/*.proto; do
-  echo "PROCESSING ${src}"
-  ${PROTOC} --proto_path=${INDIR} "${src}" --cpp_out=${OUTDIR}
-  ${PROTOC} --proto_path=${INDIR} "${src}" --grpc_out=${OUTDIR} --plugin=protoc-gen-grpc=${GRPC_PLUGIN}
-done