diff --git a/kunlun.py b/kunlun.py
index 13ca97d..79e2c15 100644
--- a/kunlun.py
+++ b/kunlun.py
@@ -29,7 +29,7 @@ def init_send(s_port:serial.Serial, send_str:str):
     send_str=send_str.encode('utf-8')
     key_words={
         b"WQKL":b"Recieving RAM-IMAGE in xmodem : C",
-        b"HZPG":b"waiting recieve image: C"
+        b"HZPG":b"waiting receive image: C"
     }
     while True:
         s_port.write(send_str)
@@ -364,19 +364,21 @@ def global_def():
     if(args.flash_file is not None):
         iot_flash_file=args.flash_file
         log_file=iot_flash_file
+        if(args.ram_file is not None):
+            ram_file=ram_file_redirect(args.ram_file)
         if(os.path.exists(iot_flash_file)):
             function_type='download'
             iot_flash_file=bin_file_decrypt(iot_flash_file)
             if args.kunlun_version is None:
                 args.kunlun_version=check_bin_type(iot_flash_file)
-            ram_file=f'kl{args.kunlun_version}_ram_build.bin'
-            ram_file=ram_file_redirect(ram_file)
+            if ram_file is None:
+                ram_file=f'kl{args.kunlun_version}_ram_build.bin'
+                ram_file=ram_file_redirect(ram_file)
         else:
             function_type='upload'
-            ram_file=f'bootram_kl{args.kunlun_version}.bin'
-            ram_file=ram_file_redirect(ram_file)
-        if(args.ram_file is not None):
-            ram_file=ram_file_redirect(args.ram_file)
+            if ram_file is None:
+                ram_file=f'bootram_kl{args.kunlun_version}.bin'
+                ram_file=ram_file_redirect(ram_file)
         if(args.kunlun_version is None):
             print("请指定参数 -k")
             sys.exit(-1)