diff --git a/README.md b/README.md
index 7786b0b..eb87ee0 100644
--- a/README.md
+++ b/README.md
@@ -9,17 +9,17 @@ pip3 install -r requirements.txt
 
 ## Usage
 ```
-usage: Xdecrypt.py [-h] [-s SID] [-p PASSWORD]
-
+usage: Xdecrypt.py [-h] [-u USERNMAE] [-s SID] [-p PASSWORD]
 xsh, xfp password decrypt
-
+```
 optional arguments:
   -h, --help            show this help message and exit
-  -s SID, --sid SID     `username`+`sid`, user `whoami /user` in command.
+  -u USER, --user USER  `username`,`whoami` in command.
+  -s SID, --sid SID     `sid`,`whoami /user` in command.
   -p PASSWORD, --password PASSWORD
                         the password in sessions or path of sessions
-```
-
+  -v VERSION, --version VERSION
+                        xshell's version
 ```
 $ whoami /user
 用户信息
@@ -43,7 +43,7 @@ Host:     192.168.1.2:22
 Username: root
 Password: test
 
-$ python3 Xdecrypt.py -s username+sid -p "D:\somewhere\NetSarang Computer"
+$ python3 Xdecrypt.py -u username -s sid -p "D:\somewhere\NetSarang Computer"
 =============D:\somewhere\NetSarang Computer\6\Xftp\Sessions\192.168.1.2.xfp=============
 Host:     192.168.1.2:22
 Username: root
@@ -57,6 +57,6 @@ Host:     192.168.1.2:22
 Username: root
 Password: test
 
-$ python Xdecrypt.py -s username+sid -p password
+$ python Xdecrypt.py -u username -s sid -p password
 test
-```
\ No newline at end of file
+```
diff --git a/Xdecrypt.py b/Xdecrypt.py
index 2a6795e..e9fbe0f 100644
--- a/Xdecrypt.py
+++ b/Xdecrypt.py
@@ -23,8 +23,10 @@ def decrypt_string(a1, a2):
 
 config_path = ""
 parser = argparse.ArgumentParser(description="xsh, xfp password decrypt")
-parser.add_argument("-s", "--sid", default="", type=str, help="`username`+`sid`, user `whoami /user` in command.")
+parser.add_argument("-u", "--user", default="", type=str, help="`username`,`whoami` in command.")
+parser.add_argument("-s", "--sid", default="", type=str, help="`sid`,`whoami /user` in command.")
 parser.add_argument("-p", "--password", default="", type=str, help="the password in sessions or path of sessions")
+parser.add_argument("-v","--version",default="",type=str,help="xshell's version")
 args = parser.parse_args()
 
 if not args.password:
@@ -44,12 +46,13 @@ def decrypt_string(a1, a2):
         args.sid = tmp[::-1]
     else:
         args.sid = GetUserName() + ConvertSidToStringSid(LookupAccountName(GetComputerName(), GetUserName())[0])
-
 if not os.path.isdir(args.password):
-    r = decrypt_string(args.sid, args.password)
+    if args.version == "7":
+        r = decrypt_string(args.sid[::-1] + args.user, args.password)
+    else:
+        r = decrypt_string(args.user+args.sid, args.password)
     if r:
         print(r)
-
 for root, dirs, files in os.walk(args.password):
     for f in files:
         if f.endswith(".xsh") or f.endswith(".xfp"):
@@ -59,7 +62,6 @@ def decrypt_string(a1, a2):
                 cfg.read(filepath)
             except UnicodeDecodeError:
                 cfg.read(filepath, encoding="utf-16")
-
             try:
                 if f.endswith(".xsh"):
                     host = "{}:{}".format(cfg["CONNECTION"]["Host"], cfg["CONNECTION"]["Port"])