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@@ -177,7 +177,7 @@ class CmBroker |
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if (preg_match('/^[A-Z0-9]+USDT$/', $symbol)) {
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return $symbol;
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} else {
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throw new Exception('转换标准交易对错误' + $symbol + ' to ', $symbol);
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throw new Exception('转换标准交易对错误' . $symbol . ' to ', $symbol);
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}
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}
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