update

app/Services/WithdrawService.php

@@ -466,27 +466,14 @@ class WithdrawService
                 'reply_to_message_id' => $messageId
             ]];
         }
-        $rate = Config::where('field', 'exchange_rate_rmb')->first()->val ?? 1;
-
-        $amountRmb = bcmul($rate, $amount, 2);
-
-        if ($amountRmb < 100) {
+        if ($amount < 20) {
             return [[
                 'chat_id' => $chatId,
-                'text' => lang("提现不能少于100 RMB，请重试"),
+                'text' => lang("提现不能少于20 USDT，请重试"),
                 'reply_to_message_id' => $messageId
             ]];
         }
 
-        if ($amountRmb > 49999) {
-            return [
-                'chat_id' => $chatId,
-                'text' => lang("最多提现 49999 RMB，请重试"),
-                'reply_to_message_id' => $messageId
-            ];
-        }
-
-
         $wallet = Wallet::where('member_id', $chatId)->first();
         $temp = floatval($wallet->available_balance);
         // 汇率