diff --git a/bc/main.py b/bc/main.py
index a4e1cd69..d4a7f3c8 100644
--- a/bc/main.py
+++ b/bc/main.py
@@ -7,104 +7,107 @@
 #   \_|  \___|_| |_|\__\__,_|\___\___|_| |_|\___|
 #
 
-from asyncio import sleep
+from datetime import datetime
 from sys import executable
 import urllib.request
 from pyrogram import Client
 from pagermaid.listener import listener
 from pagermaid.utils import Message, pip_install
 
-pip_install("python-binance", alias="binance")
+pip_install("binance-connector", alias="binance")
 pip_install("xmltodict")
 
-from binance.client import Client
+from binance.spot import Spot
+from binance.error import ClientError
 import xmltodict
 
-
 API = "https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml"
-CURRENCIES = []
-DATA = {}
-BINANCE_API_KEY = "8PDfQ2lSIyHPWdNAHNIaIoNy3MiiMuvgwYADbmtsKo867B0xnIhIGjPULsOtvMRk"
-BINANCE_API_SECRET = "tbUiyZ94l0zpYOlKs3eO1dvLNMOSbOb2T1T0eT0I1eogH9Fh8Htvli05eZ1iDvra"
-
 
-def init() -> None:
-    """INIT"""
+def init() -> list:
+    """ INIT """
     with urllib.request.urlopen(API) as response:
         result = response.read()
-        try:
-            global CURRENCIES, DATA
-            rate_data = xmltodict.parse(result)
-            rate_data = rate_data["gesmes:Envelope"]["Cube"]["Cube"]["Cube"]
-            for i in rate_data:
-                CURRENCIES.append(i["@currency"])
-                DATA[i["@currency"]] = float(i["@rate"])
-            CURRENCIES.sort()
-        except Exception as e:
-            raise e
-
+        currencies = []
+        data = {}
+        rate_data = xmltodict.parse(result)
+        rate_data = rate_data['gesmes:Envelope']['Cube']['Cube']['Cube']
+        for i in rate_data:
+            currencies.append(i['@currency'])
+            data[i['@currency']] = float(i['@rate'])
+        currencies.sort()
+    return [currencies, data]
 
 @listener(command="bc", description="coins", parameters="[num] [coin1] [coin2]")
 async def coin(_: Client, message: Message) -> None:
     """coin change"""
-    init()
-    action = message.arguments.split()
-    binanceclient = Client(BINANCE_API_KEY, BINANCE_API_SECRET)
-    if len(action) < 3:
-        await message.edit("输入错误.\n-bc 数量 币种1 币种2")
+    currencies, data = init()
+    binanceclient = Spot()
+    nowtimestamp = binanceclient.time()
+    nowtime = datetime.fromtimestamp(float(nowtimestamp['serverTime'])/1000)
+    if len(message.parameter) == 0:
+        btc_usdt_data = binanceclient.klines("BTCUSDT", "1m")[:1][0]
+        eth_usdt_data = binanceclient.klines("ETHUSDT", "1m")[:1][0]
+        await message.edit((
+            f'{nowtime.strftime("%Y-%m-%d %H:%M:%S")} UTC\n'
+            f'**1 BTC** = {btc_usdt_data[1]} USDT '
+            f'\n'
+            f'**1 ETH** = {eth_usdt_data[1]} USDT '))
+        return
+    if len(message.parameter) < 3:
+        await message.edit('输入错误.\nbc 数量 币种1 币种2')
         return
-    else:
-        prices = binanceclient.get_all_tickers()
+    try:
+        number = float(message.parameter[0])
+    except ValueError:
+        await message.edit('输入错误.\nbc 数量 币种1 币种2')
+        return
+    _from = message.parameter[1].upper().strip()
+    _to = message.parameter[2].upper().strip()
+
+    # both are real currency
+    if (currencies.count(_from) != 0) and (currencies.count(_to) != 0):
+        await message.edit((
+            f'{message.parameter[0]} {message.parameter[1].upper().strip()} ='
+            f'{number * data[_to] / data[_from]:.2f} '
+            f'{message.parameter[2].upper().strip()}'))
+        return
+    
+    # from real currency to crypto
+    if currencies.count(_from) != 0:
+        usd_number = number * data["USD"] / data[_from]
         try:
-            number = float(action[0])
-        except ValueError:
-            await message.edit("输入错误.\n-bc 数量 币种1 币种2")
+            x_usdt_data = binanceclient.klines(f"{_to}USDT", "1m")[:1][0]
+        except ClientError:
+            await message.edit(f'Cannot find coinpair {_to}USDT')
             return
-        _from = action[1].upper().strip()
-        _to = action[2].upper().strip()
-        front_text = ""
-        text = ""
-        rear_text = ""
-        price = 0.0
-        _to_USD_rate = 0.0
-
-        if (CURRENCIES.count(_from) != 0) and (CURRENCIES.count(_to) != 0):
-            # both are real currency
-            text = f"{action[0]} {action[1].upper().strip()} = {float(action[0])*DATA[_to]/DATA[_from]:.2f} {action[2].upper().strip()}"
-
-        else:
-            if CURRENCIES.count(_from) != 0:
-                # from virtual currency to real currency
-                number = number * DATA["USD"] / DATA[_from]
-                _from = "USDT"
-                front_text = f"{action[0]} {action[1]} = \n"
-
-            if CURRENCIES.count(_to) != 0:
-                # from real currency to virtual currency
-                _to_USD_rate = DATA[_to] / DATA["USD"]
-                _to = "USDT"
-
-            for _a in prices:
-                if _a["symbol"] == str(f"{_from}{_to}"):
-                    price = _a["price"]
-                    if _to == "USDT":
-                        if action[2].upper().strip() == "USDT":
-                            rear_text = f'\n= {number * float(price) * DATA["CNY"]/DATA["USD"]:.2f} CNY'
-                        else:
-                            rear_text = f"\n= {number * float(price) * _to_USD_rate:.2f} {action[2].upper().strip()}"
-                    if float(price) < 1:
-                        text = f"{number} {_from} = {number * float(price):.8f} {_to}"
-                    else:
-                        text = f"{number} {_from} = {number * float(price):.2f} {_to}"
-                    break
-                elif _a["symbol"] == str(f"{_to}{_from}"):
-                    price = 1 / float(_a["price"])
-                    text = f"{number} {_from} = {number * float(price):.8f} {_to}"
-                    break
-                else:
-                    price = None
-
-        if price is None:
-            text = f"Cannot find coinpair {action[1].upper().strip()}{action[2].upper().strip()} or {action[2].upper().strip()}{action[1].upper().strip()}"
+        await message.edit((
+            f'{message.parameter[0]} **{_from}** = '
+            f'{1 / float(x_usdt_data[1]) * usd_number:.8f} **{_to}**\n'
+            f'{message.parameter[0]} **{_from}** = '
+            f'{usd_number:.2f} **USD**'))
+        return
+    
+    # from crypto to real currency
+    if currencies.count(_to) != 0:
+        usd_number = number * data[_to] / data["USD"]
+        try:
+            x_usdt_data = binanceclient.klines(f"{_from}USDT", "1m")[:1][0]
+        except ClientError:
+            await message.edit(f'Cannot find coinpair {_from}USDT')
+            return
+        await message.edit((
+            f'{message.parameter[0]} **{_from}** = '
+            f'{float(x_usdt_data[1]) * usd_number:.2f} **{_to}**\n'
+            f'{message.parameter[0]} **{_from}** = '
+            f'{float(x_usdt_data[1]):.2f} **USD**'))
+        return
 
-    await message.edit(f"{front_text}{text}{rear_text}")
+    # both crypto
+    try:
+        from_to_data = binanceclient.klines(f"{_from}{_to}", "1m")[:1][0]
+    except ClientError:
+        await message.edit(f'Cannot find coinpair {_from}{_to}')
+        return
+    await message.edit((
+            f'{message.parameter[0]} **{_from}** = '
+            f'{float(from_to_data[1]) * number} **{_to}**\n'))
diff --git a/list.json b/list.json
index 0b48bade..3b6d3a32 100644
--- a/list.json
+++ b/list.json
@@ -82,10 +82,10 @@
         },
         {
             "name": "bc",
-            "version": "1.252",
+            "version": "1.3",
             "section": "chat",
             "maintainer": "Pentacene",
-            "size": "4.171 kb",
+            "size": "4.116 kb",
             "supported": true,
             "des_short": "查询含虚拟货币在内的货币价格",
             "des": "命令：bc 数量 货币1 货币2"
@@ -1101,4 +1101,4 @@
             "des": ""
         }
     ]
-}
\ No newline at end of file
+}