diff --git a/cmake-linux/grpc.cmake b/cmake-linux/grpc.cmake
index e74b3d1..dbffbfc 100644
--- a/cmake-linux/grpc.cmake
+++ b/cmake-linux/grpc.cmake
@@ -1,7 +1,7 @@
 # On how to build grpc, you may refer to https://github.com/grpc/grpc
 
 set(grpc_build_dir "${LIB_BASE_DIR}/grpc-build")
-option(REBUILD "whether to build with ONNX" ON)
+option(REBUILD "whether to build with ONNX" OFF)
 if(REBUILD)
     # install grpc
     execute_process(COMMAND mkdir -p ${grpc_build_dir})
@@ -18,8 +18,10 @@ if(REBUILD)
             -DgRPC_ZLIB_PROVIDER=module
             -DgRPC_BUILD_TESTS=OFF
             -DCMAKE_INSTALL_PREFIX=${grpc_build_dir}
+            -j6
+            -fPIC
             -S ${LIB_BASE_DIR}/grpc-src
-            -B ${grpc_build_dir} -fPIC -j6
+            -B ${grpc_build_dir}
             WORKING_DIRECTORY ${grpc_build_dir})
     execute_process(
             COMMAND cmake --build . -j4
@@ -32,8 +34,7 @@ if(REBUILD)
 endif()
 
 
-set(gRPC_ROOT  ${grpc_build_dir})
-list(APPEND CMAKE_PREFIX_PATH ${gRPC_ROOT})
+set(gRPC_DIR  ${grpc_build_dir})
 find_package(Threads REQUIRED)
 find_package(protobuf REQUIRED)
 find_package(gRPC CONFIG REQUIRED)