diff --git a/bin/bootram_kl4.bin b/bin/bootram_kl4.bin
new file mode 100644
index 0000000..bd6e119
Binary files /dev/null and b/bin/bootram_kl4.bin differ
diff --git a/kunlun.py b/kunlun.py
index 1f61f0e..d351f9a 100644
--- a/kunlun.py
+++ b/kunlun.py
@@ -25,6 +25,7 @@ from bin.base import bin_path
 from bin.factory_mode import ftm_handle
 from bin.crc import CRC16
 from bin.get_log import print_log
+from password import bootram_pssword
 
 
 def init_send(s_port:serial.Serial, send_str:str):
@@ -254,6 +255,16 @@ def calc_flash_info_name():
 
 
 
+# 计算bootram密码
+def calc_bootram_pssword(info_file:str):
+    with open(info_file,mode='r',encoding='utf-8') as f:
+        lines=f.readlines()
+    for line in lines:
+        if(line.startswith('Chip Id')):
+            chip_id=line.split(':')[-1].strip()
+    password=bootram_pssword(chip_id)
+    return f"{password:08x}"
+
 
 # 上传固件
 def upload_fun():
@@ -264,6 +275,12 @@ def upload_fun():
     print_device_str(ser_read_data)
     with open(calc_flash_info_name(),mode='w+',encoding='utf-8') as f:
         f.writelines(ser_read_data.decode('utf-8').split('\r\n'))
+    # 输入密码
+    password=calc_bootram_pssword(calc_flash_info_name())
+    ser.write(f"PSS {password}\n".encode("utf-8"))
+    time.sleep(0.5)
+    ser_read_data=ser.read(4096)
+    print_device_str(ser_read_data)
     # 显示image信息
     ser.write(b"f s\n")
     time.sleep(1)
diff --git a/pass.py b/password.py
similarity index 100%
rename from pass.py
rename to password.py