diff --git a/pinyin/gen.py b/pinyin/gen.py
new file mode 100644
index 0000000..d8341d0
--- /dev/null
+++ b/pinyin/gen.py
@@ -0,0 +1,53 @@
+t='''毕思淼
+毕一聪
+丛金旺
+崔子豪
+樊乐天
+高镆
+黄卓琳
+姜樱楠
+焦祺
+李柏畅
+李南卓阳
+李善伊
+李怡萱
+李语恒
+刘宇航
+刘雨鑫
+刘卓
+娄晴
+洛艺伟
+马卉冉
+潘一鸣
+庞惠铭
+乔旺源
+沈洁
+宋佳怡
+宋雨蔓
+宋智宪
+苏振宇
+王梁宇
+王明仁
+王耀增
+王子来
+吴庆波
+徐子灏
+阎展博
+杨颜聪
+于诗澳
+于世函
+张濠亿
+张日昊
+张姝肜
+张文桦
+张潇艺
+张晓轩
+张妍
+周含笑
+周巧冉'''
+from pypinyin import pinyin
+from pypinyin import Style
+l=t.splitlines()
+for text in l:
+    tem=pinyin(text,style=Style.FIRST_LETTER)
+    print(''.join([i[0] for i in tem]))
\ No newline at end of file
diff --git a/rand/main.py b/rand/main.py
new file mode 100644
index 0000000..f907da7
--- /dev/null
+++ b/rand/main.py
@@ -0,0 +1,29 @@
+from random import randint
+
+bgn,end=[int(i) for i in input("Option: Input random area(like 21-43): ").split("-")]
+obj=int(input("Option: Amount: "))
+repeat=input("Option: Allow repeat:\nAccept: T(true) (defalt), F(false)\n").lower()
+if repeat == "":
+    repeat=True
+else:
+    if repeat in ["t","true"]:
+        repeat=True
+    elif repeat in ["f","false"]:
+        repeat=False
+    else:
+        input("Unsupported option.")
+l=[]
+if repeat:
+    l=[randint(bgn,end) for i in range(obj)]
+else:
+    i=0
+    while len(l)<obj and i<500:
+        t=randint(bgn,end)
+        i+=1
+        if t not in l:
+            l.append(t)
+
+print(l)
+for i in l[1:]:
+    print(randint(bgn,end),end=", ")
+print(l[0])
\ No newline at end of file
diff --git a/recode/recode_new.py b/recode/recode_new.py
new file mode 100644
index 0000000..18fee7a
--- /dev/null
+++ b/recode/recode_new.py
@@ -0,0 +1,58 @@
+from sys import argv
+from os.path import isfile, isdir,abspath
+from os import mkdir
+from chardet import detect
+from colorama import init,Fore
+HELP = '''
+Usage: recode.py <options>/<filename(s)>
+'''
+TARGET = 'utf-8'
+OUTDIR = "Output"
+
+
+def main(files):
+    if not isdir(OUTDIR):
+        mkdir(OUTDIR)
+
+    for file in files:
+        path = abspath(file)
+        path = path.replace("\\", "/")
+        path = path.split('/')
+        path = '/'.join(path[:-1])+"/"+OUTDIR+"/"+path[-1]
+        if isfile(path):
+            print(Fore.YELLOW+f"WARN: File '{path} exists. Ignore.")
+            continue
+        recode(file,path)
+
+
+def recode(file,path):
+    try:
+        with open(file, 'rb') as f:
+            tem = f.read()
+    except Exception as e:
+        print(Fore.RED+f"ERROR: Can't open file '{file}'")
+        return
+    ret = detect(tem)
+    if ret["encoding"] is None:
+        print(Fore.RED+"ERROR: Cannot detect encoding of `%s`" % file)
+        return
+        
+    with open(file, 'r',encoding=ret["encoding"]) as f:
+        tem = f.read()
+
+    if ret['confidence'] < 0.8:
+        print(Fore.YELLOW+"WARN: File `%s` confidence is lower than 0.8. Recognized as `%s`."%(file,ret["encoding"]))
+
+    with open(path, 'w', encoding=TARGET) as f:
+        f.write(tem)
+    print(Fore.LIGHTBLUE_EX+"INFO: Success for `%s` with confidence %0.1f%%"%(file,ret["confidence"]*100))
+
+
+if __name__ == '__main__':
+    init(autoreset=True)
+    if len(argv) == 1:
+        print(HELP)
+    else:
+        main(argv[1:])
+        print("------------------------")
+    input("Press enter to exit")
diff --git a/video/cut.py b/video/cut.py
new file mode 100644
index 0000000..f6e48cb
--- /dev/null
+++ b/video/cut.py
@@ -0,0 +1,32 @@
+from sys import argv
+from subprocess import run
+from os import system
+
+if len(argv) != 2:
+    print("Usage: <file>")
+    exit(1)
+file = argv[1]
+tem=file.split(".")
+name = ".".join(tem[:-1])
+o = tem[-1]
+bgn = input("bgn: ")
+if bgn=="":
+    bgn="0"
+to = input("to: ")
+cmd = [
+    r'E:\green\ffmpeg\bin\ffmpeg.exe',
+    '-i',
+    file,
+    '-ss',
+    bgn,
+    '-to',
+    to,
+    '-c',
+    'copy',
+    name+"_cut."+o
+]
+print(cmd)
+# run("pause")
+ret = run(cmd)
+print("ffmpeg finished with code",ret.returncode)
+system("pause")
\ No newline at end of file
diff --git a/wjx/main.py b/wjx/main.py
new file mode 100644
index 0000000..0eaa8c7
--- /dev/null
+++ b/wjx/main.py
@@ -0,0 +1,75 @@
+from requests import Response,Session
+from re import search
+from json import dumps
+
+headers = {
+   'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 Edg/105.0.1343.42'
+}
+s=Session()
+
+def chk(resp:Response):
+    if resp.status_code != 200:
+        print("Error: %d" % resp.status_code)
+        exit(1)
+    return resp.text
+
+def get(url,**kwargs):
+    ret = s.get(url,allow_redirects=False,headers=headers,**kwargs)
+    jar = ret.cookies
+    if ret.status_code == 302:
+        url2 = ret.headers['Location']
+        return get(url2, cookies=jar)
+    elif ret.status_code != 200:
+        print("Error: %d" % ret.status_code)
+        exit(1)
+    return ret
+
+def login(username, password):
+    # 问卷星竟然明文发送密码
+    ret = chk(s.get("https://www.wjx.cn/login.aspx"))
+    v1 = search('(?<=(<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value=")).+(?=(" />))',ret)
+    if v1 is not None:
+        v1 = v1.group()
+    v2 = search('(?<=(<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value=")).+(?=(" />))',ret)
+    if v2 is not None:
+        v2 = v2.group()
+    v3 = search('(?<=(<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value=")).+(?=(" />))',ret)
+    if v3 is not None:
+        v3 = v3.group()
+    print(v1,v2,v3)
+    with open("tmp.html", "w",encoding="utf-8") as f:
+        print(ret,file=f)
+    d={
+        "__VIEWSTATE":          v1,
+        "__VIEWSTATEGENERATOR": v2,
+        "__EVENTVALIDATION":    v3,
+        "UserName":             username,
+        "Password":             password,
+        "LoginButton":          "登录"
+    }
+    # d={
+    #     "__VIEWSTATE":         "/wEPDwULLTIxMTQ1NzY4NzFkGAEFHl9fQ29udHJvbHNSZXF1aXJlUG9zdEJhY2tLZXlfXxYBBQpSZW1lbWJlck1ldLwU4qgz33Rji8zou8eAENNib4k=",
+    #     "__VIEWSTATEGENERATOR":"C2EE9ABB",
+    #     "__EVENTVALIDATION":   "/wEdAAfxrqR6nVOy3mBYlwdwNQ3ZR1LBKX1P1xh290RQyTesRRHS0B3lkDg8wcTlzQR027xRgZ0GCHKgt6QG86UlMSuIXArz/WCefbk6V2VE3Ih52ScdcjStD50aK/ZrfWs/uQXcqaj6i4HaaYTcyD0yJuxuNMxKZaXzJnI0VXVv9OL2HZrk5tk=",
+    #     "UserName":            username,
+    #     "Password":            password,
+    #     "LoginButton":         "登录"
+    # }
+    ret = s.post("https://www.wjx.cn/Login.aspx",json=dumps(d))
+    ret.raise_for_status()
+
+def getlist(id):
+    ret = s.get(
+        "https://www.wjx.cn/wjx/activitystat/viewstatsummary.aspx",
+        params={"activity":id},
+        headers=headers        
+    )
+    ret = chk(ret)
+    find = search(r'(?<=(var ids = "))[\d,]+(?=(";))',ret)
+    assert find is not None,ret
+    return find.group().split(",")
+
+if __name__ == "__main__":
+    login("flt","***REMOVED***")
+    print(s.cookies)
+    print(getlist("184412487"))
\ No newline at end of file