diff --git a/.gitignore b/.gitignore
index eacf47f..063db67 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,3 +42,4 @@ compiler.jar
 *.otf
 *.woff
 *.woff2
+.idea
\ No newline at end of file
diff --git a/biliBv.py b/biliBv.py
index 6cf6750..2fa962e 100644
--- a/biliBv.py
+++ b/biliBv.py
@@ -37,3 +37,40 @@ def enbv(x):
     for i in range(6):
         r[s[i]] = table[x // 58**i % 58]
     return ''.join(r)
+
+###########################################################
+#                   NEW VERSION                           #
+###########################################################
+
+XOR_CODE = 23442827791579
+MASK_CODE = 2251799813685247
+MAX_AID = 1 << 51
+
+data = [b'F', b'c', b'w', b'A', b'P', b'N', b'K', b'T', b'M', b'u', b'g', b'3', b'G', b'V', b'5', b'L', b'j', b'7', b'E', b'J', b'n', b'H', b'p', b'W', b's', b'x', b'4', b't', b'b', b'8', b'h', b'a', b'Y', b'e', b'v', b'i', b'q', b'B', b'z', b'6', b'r', b'k', b'C', b'y', b'1', b'2', b'm', b'U', b'S', b'D', b'Q', b'X', b'9', b'R', b'd', b'o', b'Z', b'f']
+
+BASE = 58
+BV_LEN = 12
+PREFIX = "BV1"
+
+def av2bv(aid):
+    bytes = [b'B', b'V', b'1', b'0', b'0', b'0', b'0', b'0', b'0', b'0', b'0', b'0']
+    bv_idx = BV_LEN - 1
+    tmp = (MAX_AID | aid) ^ XOR_CODE
+    while int(tmp) != 0:
+        bytes[bv_idx] = data[int(tmp % BASE)]
+        tmp /= BASE
+        bv_idx -= 1
+    bytes[3], bytes[9] = bytes[9], bytes[3]
+    bytes[4], bytes[7] = bytes[7], bytes[4]
+    return "".join([i.decode() for i in bytes])
+
+def bv2av(bvid: str):
+    bvid = list(bvid)
+    bvid[3], bvid[9] = bvid[9], bvid[3]
+    bvid[4], bvid[7] = bvid[7], bvid[4]
+    bvid = bvid[3:]
+    tmp = 0
+    for i in bvid:
+        idx = data.index(i.encode())
+        tmp = tmp * BASE + idx
+    return (tmp & MASK_CODE) ^ XOR_CODE
\ No newline at end of file
diff --git a/biliLogin.py b/biliLogin.py
index 14ca89c..f09111f 100644
--- a/biliLogin.py
+++ b/biliLogin.py
@@ -93,7 +93,7 @@ def login(r, ud: dict, ip: dict, logg=None):
             if read in [-1, -2]:
                 if read == -1:
                     print(lan['ERROR2'])  # 登录失败！
-                read = loginwithqrcode(r, logg)
+                read = loginwithqrcode_new(r, logg)
                 if read == -1:
                     print(lan['ERROR2'])  # 登录失败！
                     return 2
@@ -290,6 +290,68 @@ def prepareSession(r: requests.Session):
     except:
         pass
 
+def loginwithqrcode_new(r: requests.Session, logg=None):
+    print(lan['WARN1'])
+    prepareSession(r)
+    year = 365 * 24 * 3600
+    while 1:
+        url = "https://passport.bilibili.com/x/passport-login/web/qrcode/generate"
+        if logg:
+            logg.write(f"GET {url}", currentframe(), "getloginurl")
+        re = r.get(url)
+        re = re.json()
+        if re["code"] != 0:
+            print(f"{re['code']}")
+            if logg:
+                logg.write(f"content: {re}", currentframe(), "unknownerror")
+            return -1
+        qrcode_url = re["data"]["url"]
+        qrcode_key = re["data"]["qrcode_key"]
+
+        print("请在手机上扫描二维码登录，确认登录后关闭二维码界面。")
+        import qrcode
+        from PIL import Image, ImageTk
+        import tkinter as tk
+        import os
+        data=qrcode_url
+        qr = qrcode.QRCode(version=1, error_correction=qrcode.constants.ERROR_CORRECT_L, box_size=10, border=4)
+        qr.add_data(data)
+        qr.make(fit=True)
+        qr.make_image(fill_color="black", back_color="white").save("Temp/qrcode.png")
+        root=tk.Tk()
+        root.title("扫码登录")
+        img=Image.open("Temp/qrcode.png")
+        photo=ImageTk.PhotoImage(img)
+        imglabel=tk.Label(root,image=photo)
+        imglabel.pack()
+        root.mainloop()
+
+        sa = []
+        suc = False
+        while not suc:
+            re=r.get("https://passport.bilibili.com/x/passport-login/web/qrcode/poll",params={"qrcode_key":qrcode_key})
+            cookies=re.cookies
+            re=re.json()
+            #print(re)
+            if re["code"]!=0:
+                print(f"{re['code']} {re['message']}")
+                return -1
+            if re["data"]["code"]!=0:
+                print("Login failed.")
+                print(f"Message: {re['data']['message']}")
+                time.sleep(1)
+                continue
+            suc=True
+            sa = []
+            for domain in r.cookies._cookies.keys():
+                for path in r.cookies._cookies[domain].keys():
+                    for cookiename in r.cookies._cookies[domain][path]:
+                        cookie = r.cookies._cookies[domain][path][cookiename]
+                        if not cookie.discard:
+                            sa.append({"name": cookie.name, "value": cookie.value, 'domain': cookie.domain, 'path': cookie.path})
+            return sa
+        raise Exception("You should not see this.")
+
 
 def loginwithqrcode(r: requests.Session, logg=None):
     print(lan['WARN1'])
diff --git a/start.py b/start.py
index 8a8ef2b..b37d124 100644
--- a/start.py
+++ b/start.py
@@ -183,7 +183,7 @@ def main(ip={}, menuInfo=None):
         if log and not logg.hasf():
             logg.openf(f"log/AV{inp[2:]}_{round(time())}.log")
     elif inp[0:2].lower() == 'bv':
-        inp = str(biliBv.debv(inp))
+        inp = str(biliBv.bv2av(inp))
         s = "https://www.bilibili.com/video/av" + inp
         av = True
         if log and not logg.hasf():