diff --git a/.gitignore b/.gitignore
index 09f4720..da164ee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,4 +21,16 @@ plc_core1.h
 bb_cpu.txt
 sec_cpu.txt
 # ReadMe.txt
-build_commands.txt
\ No newline at end of file
+build_commands.txt
+tools/bin_tool/bin2hex
+tools/bin_tool/hex2bin
+tools/bin_tool/bin2hex_frame
+tools/gen_img/customer/
+tools/gen_img/ah
+tools/gen_img/elzma
+tools/gen_img/oem_tool
+tools/gen_img/*.map
+tools/gen_img/*.out
+tools/gen_img/*.bin
+tools/gen_img/*.bin.fw
+tools/gen_img/lib_sdk_source/
\ No newline at end of file
diff --git a/build/build_flash_kl3.sh b/build/build_flash_kl3.sh
index d5403fb..48288c4 100755
--- a/build/build_flash_kl3.sh
+++ b/build/build_flash_kl3.sh
@@ -659,6 +659,27 @@ if [ ! -d "${GEN_IMG_FOLDER}/lib_sdk_source" ]; then
     mkdir ${GEN_IMG_FOLDER}/lib_sdk_source
 fi
 
+# 如果不存在这些工具则创建
+if [ ! -e "../tools/bin_tool/bin2hex" ]; then
+    cd "../tools/bin_tool"
+    gcc bin2hex.c -o bin2hex
+    cd -
+fi
+
+if [ ! -e "../tools/bin_tool/hex2bin" ]; then
+    cd "../tools/bin_tool"
+    gcc hex2bin.c -o hex2bin
+    cd -
+fi
+
+if [ ! -e "../tools/bin_tool/bin2hex_frame" ]; then
+    cd "../tools/bin_tool"
+    gcc bin2hex_frame.c -o bin2hex_frame
+    cd -
+fi
+
+
+
 export HW_CHIP_ID="${DEF_CHIP_ID}"
 
 build_obj_func() {
@@ -906,6 +927,7 @@ build_obj_func() {
 echo "start building: $0 $@ , $(date +%Y-%m-%d\ %H:%M:%S)"
 if [ "${DEF_CORE_TYPE}" == "ampplc" ]; then
     build_obj_func ${DEF_IMAGE_TYPE} ${DEF_CUS_APP} CUS
+    echo "build_flash_kl3.sh call make_ld.sh."
     ../tools/rom_img/make_ld.sh --addrs ../ap/.output/cus/lib/ht_${DEF_IMAGE_TYPE}.out \
     ../startup/ldscripts/riscv3/amp_cus_symbol > ../startup/ldscripts/riscv3/cus.addrs.ld
 fi