diff --git a/build/milkvsetup.sh b/build/milkvsetup.sh
index fa0203d0f..9926bf41c 100644
--- a/build/milkvsetup.sh
+++ b/build/milkvsetup.sh
@@ -147,7 +147,7 @@ function build_uboot()
     cp -f "$OUTPUT_DIR"/fip_pre/fip_pre_${ATF_KEY_SEL}.bin \
     "$OUTPUT_DIR"/fip_pre/fip_pre.bin
 
-  make u-boot
+  bear --append --output ${TOP_DIR}/compile_commands.json -- make u-boot
 )}
 
 function build_uboot_env_tools()
@@ -193,7 +193,7 @@ function build_kernel()
   print_notice "Run ${FUNCNAME[0]}() function"
   _build_kernel_env
   cd "$BUILD_PATH" || return
-  make kernel || return "$?"
+  bear --append --output ${TOP_DIR}/compile_commands.json --  make kernel
 
   # generate boot.itb image.
   if [[ ${1} != noitb ]]; then
@@ -313,7 +313,7 @@ function build_osdrv()
   fi
 
   pushd "$OSDRV_PATH"
-  make KERNEL_DIR="$KERNEL_PATH"/"$KERNEL_OUTPUT_FOLDER" INSTALL_DIR="$SYSTEM_OUT_DIR"/ko "$osdrv_target" || return "$?"
+  bear --append --output ${TOP_DIR}/compile_commands.json -- make KERNEL_DIR="$KERNEL_PATH"/"$KERNEL_OUTPUT_FOLDER" INSTALL_DIR="$SYSTEM_OUT_DIR"/ko "$osdrv_target" || return "$?"
   popd
 )}