diff --git a/utool/number2d.sh b/utool/number2d.sh
index a5364d8..97d4ef4 100644
--- a/utool/number2d.sh
+++ b/utool/number2d.sh
@@ -25,6 +25,7 @@ elif [[ $number =~ ^[0-9a-fA-F]{1,9}$ ]]; then
     hex=`printf "%d" '0x'$number`
     date -d@$hex +'%Y-%m-%d %H:%M:%S'
 else
+    echo -e "${c_bb}-j选项：将十进制或者十六进制数字作为入参，转换成标准时间格式，只接收第一个参数，其他参数将被丢弃，有歧义时，使用'0x'或者'0X'来区分十进制和十六进制，退出...${c_e}\n"
     echo -e "${c_br}请输入正确的十进制--11位以内，或者十六进制数字--9位以内：${c_e}"
     echo -e "  十进制的时间戳 - 1678523385"
     echo -e "  十六进制时间戳 - 0x640c3bf9/0X640C3BF9/0x640C3bf9/640c3bf9"
diff --git a/utool/utool.py b/utool/utool.py
index 75255b2..cc856fc 100755
--- a/utool/utool.py
+++ b/utool/utool.py
@@ -7,7 +7,7 @@ import time
 def utool(option):
 
     def print_usage():
-        intro = """utool -- a self-defined command line interface, which is used to facilitate operating the system, supports the following options. In the description part, where there is a leading asterisk signifies that this option must take an argument, and for more information of this situation, simply run `utool -h` for details."""
+        intro = """utool -- A self-defined command line interface, which is used to facilitate operating the system, supports the following options. In the description part, where there is a leading asterisk signifies that this option must take an argument, and for more information of this situation, simply run `utool -h` for details."""
         print(f"{c_intro}{intro}{c_e}")
         print("_" * 121)
         print(f"{c_title}|Option| Description{' ' * 40}|Option| Description{' ' * 40}|{c_e}")
@@ -49,6 +49,46 @@ def utool(option):
             print(f"{c_br}Plz enter correct IP...{c_e}")
             exit(ord(option.strip('-')))
 
+    # -e
+    def gen_md5():
+        if len(sys.argv) < 3:
+            print(f"{c_br}需要至少一个字符串作为输入，退出...{c_e}\n")
+            exit(ord(option.strip('-')))
+
+        param=''
+        for item in sys.argv[2:]:
+            param += item
+
+        os.environ['param'] = param
+        print(f"{c_by}Warning: 输入字符串中间的任何空白符将会被删除，要保留的话，需手动将字符串用单引号括起来{c_e}")
+        print(f"本次计算MD5值的字符串为 - {param}\n本次计算得到的MD5的值为 - ", end='')
+        # print(f"本次计算得到的MD5的值为 - ", end='')
+        os.system('echo -n $param | md5sum | cut -d " " -f 1')
+
+    # -f
+    def number2date():
+        exit_on_wrong_number(2)
+        os.environ['param'] = sys.argv[2]
+        os.system('/usr/bin/bash /opt/scripts/utool/number2d.sh $param')
+
+    # -g
+    def date2number():
+        if len(sys.argv) < 3:
+            print(f"{c_br}-k选项：将输入的时间转换成十进制和十六进制，需要一个字符串格式的时间作为输入，退出...{c_e}\n")
+            exit(ord(option.strip('-')))
+
+        param=''
+        for item in sys.argv[2:]:
+            param += item + ' '
+
+        os.environ['param'] = param
+        os.system('/usr/bin/bash /opt/scripts/utool/date2n.sh $param')
+
+    # -p
+    def gen_passwd():
+        exit_on_wrong_number(2)
+        os.environ['length'] = sys.argv[2]
+        os.system('/usr/bin/bash /opt/scripts/utool/genpw.sh length')
 
     def exit_on_wrong_number(number=1):
         if len(sys.argv) != (number+1):
@@ -63,16 +103,16 @@ def utool(option):
         '-b': [' generate two-factor key of GITHUB', github_two_factor],
         '-o': ['Reserved', None],
         '-c': [' show external IP of this machine', get_external_ip],
-        '-p': ['Reserved', None],
+        '-p': ['*generate password of length 1~79', gen_passwd],
         '-d': [' show the location of ip(only v4 for now)', get_ip_location],
         '-q': ['Reserved', None],
-        '-e': ['Reserved', None],
+        '-e': ['*generate md5 value of the input string', gen_md5],
         '-r': ['Reserved', None],
-        '-f': ['Reserved', None],
+        '-f': ['*convert a (hexa)decimal to specific time format', number2date],
         '-s': ['Reserved', None],
-        '-g': ['Reserved', None],
+        '-g': ['*convert multi-formats time to a decimal', date2number],
         '-t': ['Reserved', None],
-        '-h': ['Reserved', print_usage],
+        '-h': [' show this help information and exit', print_usage],
         '-u': ['Reserved', None],
         '-i': ['Reserved', None],
         '-v': ['Reserved', None],
@@ -90,7 +130,6 @@ def utool(option):
 
 
 def main():
-
     global option
     options = [ '-' + chr(x) for x in range(ord('a'), ord('z')+1)]
     print_usage = utool('-h')
@@ -108,6 +147,7 @@ def main():
     else:
         print_usage()
 
+# global area below ↓
 c_title = '\033[1;4;37;40m'     # title color
 c_text = '\033[37;40m'          # text color
 c_intro = '\033[3;32m'          # text color