改进 判断
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@ -51,7 +51,7 @@ public function toDrops($amount = 1)
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$cache_key = 'user_drops_' . $this->id;
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$cache_key = 'user_drops_' . $this->id;
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if ($amount === 0) {
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if ($amount === 0 || $amount === null) {
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return $this;
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return $this;
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}
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}
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