diff --git a/cmake-linux/gflags.cmake b/cmake-linux/gflags.cmake
index 51ff01a..c13b422 100644
--- a/cmake-linux/gflags.cmake
+++ b/cmake-linux/gflags.cmake
@@ -3,7 +3,8 @@ set(GFLAGS_BUILD_DIR ${LIB_BASE_DIR}/gflags-build)
 if(REBUILD)
     message(STATUS "${BoldGreen}Install GFLAGS to: ${GFLAGS_BUILD_DIR}${ColourReset}")
     execute_process(
-            COMMAND mkdir gflags-build && cmake -DGFLAGS_NAMESPACE=google -DCMAKE_CXX_FLAGS=-fPIC -S ${GFLAGS_ROOT_DIR} -B ${GFLAGS_BUILD_DIR}
+            COMMAND rm -rf gflags-build && mkdir gflags-build &&
+            cmake -DGFLAGS_NAMESPACE=google -DCMAKE_CXX_FLAGS=-fPIC -S ${GFLAGS_ROOT_DIR} -B ${GFLAGS_BUILD_DIR}
             WORKING_DIRECTORY ${LIB_BASE_DIR})
     execute_process(
             COMMAND cmake --build . -j4
diff --git a/cmake-linux/glog.cmake b/cmake-linux/glog.cmake
index 925ab45..e08e633 100644
--- a/cmake-linux/glog.cmake
+++ b/cmake-linux/glog.cmake
@@ -7,7 +7,7 @@ set(GLOG_BUILD_DIR ${LIB_BASE_DIR}/glog-build)
 if(REBUILD)
     message(STATUS "${BoldGreen}Install glog to: ${GLOG_BUILD_DIR}${ColourReset}")
     execute_process(
-            COMMAND mkdir glog-build
+            COMMAND rm -rf glog-build && mkdir glog-build
             WORKING_DIRECTORY ${LIB_BASE_DIR})
     execute_process(
             COMMAND cmake -DGFLAGS_NAMESPACE=google -DCMAKE_CXX_FLAGS=-fPIC -S ${GLOG_ROOT_DIR} -B .
diff --git a/cmake-linux/grpc.cmake b/cmake-linux/grpc.cmake
index c508bd2..d903720 100644
--- a/cmake-linux/grpc.cmake
+++ b/cmake-linux/grpc.cmake
@@ -4,7 +4,8 @@ set(grpc_build_dir "${LIB_BASE_DIR}/grpc-build")
 
 if(REBUILD)
     # install grpc
-    execute_process(COMMAND mkdir -p ${grpc_build_dir})
+    execute_process(COMMAND rm -rf ${grpc_build_dir} && mkdir -p ${grpc_build_dir})
+
     message(STATUS "${BoldGreen}Install grpc third party library${ColourReset}")
     execute_process(
             COMMAND cmake
diff --git a/cmake-linux/openfst.cmake b/cmake-linux/openfst.cmake
index 8f5f339..a68cdce 100644
--- a/cmake-linux/openfst.cmake
+++ b/cmake-linux/openfst.cmake
@@ -6,13 +6,14 @@ set(openfst_BUILD "${LIB_BASE_DIR}/openfst-build")
 if(REBUILD)
     message(STATUS "${BoldGreen}Install openfst: ${GLOG_BUILD_DIR}${ColourReset}")
     #./configure --prefix=${openfst_SOURCE_DIR}/build --enable-static --disable-shared --with-pic
+    execute_process(COMMAND rm -rf ${openfst_BUILD} && mkdir -p ${openfst_BUILD})
     # patch补丁必须打，不然会报glog无法动态识别这个库的方法，导致链接不成功。
     execute_process(
             COMMAND cmake -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/patch/openfst ${LIB_BASE_DIR}/openfst-src
             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
     )
     execute_process(
-            COMMAND ./configure --prefix=${openfst_BUILD}
+            COMMAND ./configure --prefix=${openfst_BUILD} --with-pic
             WORKING_DIRECTORY ${LIB_BASE_DIR}/openfst-src)
     execute_process(
             COMMAND cmake --build . --target install