diff --git a/hwe/sammo/API/Betting/Bet.php b/hwe/sammo/API/Betting/Bet.php
index f232253d..492f34a3 100644
--- a/hwe/sammo/API/Betting/Bet.php
+++ b/hwe/sammo/API/Betting/Bet.php
@@ -41,8 +41,6 @@ class Bet extends \sammo\BaseAPI
 
     public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag)
     {
-        $db = DB::db();
-
         /** @var int */
         $bettingID = $this->args['bettingID'];
         /** @var int[] */
@@ -50,80 +48,12 @@ class Bet extends \sammo\BaseAPI
         /** @var int */
         $amount = $this->args['amount'];
 
-        $gameStor = KVStorage::getStorage($db, 'game_env');
-
         $bettingHelper = new Betting($bettingID);
-        $bettingInfo = $bettingHelper->getInfo();
-
-        if ($bettingInfo->finished) {
-            return '이미 종료된 베팅입니다';
+        try{
+            $bettingHelper->bet($session->generalID, $session->userID, $bettingType, $amount);
         }
-
-        [$year, $month] = $gameStor->getValuesAsArray(['year', 'month']);
-        $yearMonth = Util::joinYearMonth($year, $month);
-
-
-        if ($bettingInfo->closeYearMonth <= $yearMonth) {
-            return '이미 마감된 베팅입니다';
-        }
-
-        if ($bettingInfo->openYearMonth > $yearMonth) {
-            return '아직 시작되지 않은 베팅입니다';
-        }
-
-        if (count($bettingType) != $bettingInfo->selectCnt) {
-            return '필요한 선택 수를 채우지 못했습니다.';
-        }
-
-        $bettingTypeKey = $bettingHelper->convertBettingKey($bettingType);
-
-        $inheritStor = KVStorage::getStorage($db, "inheritance_{$session->userID}");
-
-        $prevBetAmount = $db->queryFirstField('SELECT sum(amount) FROM ng_betting WHERE betting_id = %i AND user_id = %i', $bettingID, $session->userID) ?? 0;
-
-        if ($prevBetAmount + $amount > 1000) {
-            return (1000 - $prevBetAmount) . ' 포인트까지만 베팅 가능합니다.';
-        }
-
-        if ($bettingInfo->reqInheritancePoint) {
-            $remainPoint = ($inheritStor->getValue('previous') ?? [0, 0])[0];
-            if ($remainPoint < $amount) {
-                return '유산포인트가 충분하지 않습니다.';
-            }
-        } else {
-            $remainPoint = $db->queryFirstField('SELECT gold FROM general WHERE no = %i', $session->generalID) ?? 0;
-            if ($remainPoint < GameConst::$generalMinimumGold + $amount) {
-                return '금이 부족합니다.';
-            }
-        }
-
-        $userID = $session->userID;
-
-        $bettingItem = new BettingItem([
-            'betting_id' => $bettingID,
-            'general_id' => $session->generalID,
-            'user_id' => $userID,
-            'betting_type' => $bettingTypeKey,
-            'amount' => $amount
-        ]);
-
-        $db->insertUpdate(
-            'ng_betting',
-            $bettingItem->toArray(),
-            ['amount' => $db->sqleval('amount + %i', $amount)]
-        );
-        if ($bettingInfo->reqInheritancePoint) {
-            $inheritStor->setValue('previous', [$remainPoint - $amount, null]);
-            $userLogger = new UserLogger($userID);
-            $userLogger->push("{$amount} 포인트를 베팅에 사용", "inheritPoint");
-            $userLogger->flush();
-        } else {
-            $db->update('general', [
-                'gold' => $db->sqleval('gold - %i', $amount)
-            ], 'no = %i', $session->generalID);
-        }
-        if (!$db->affected_rows) {
-            return '베팅을 실패했습니다.';
+        catch(\Throwable $e){
+            return $e->getMessage();
         }
 
         return [
diff --git a/hwe/sammo/Betting.php b/hwe/sammo/Betting.php
index 10623121..191fa9b0 100644
--- a/hwe/sammo/Betting.php
+++ b/hwe/sammo/Betting.php
@@ -3,6 +3,7 @@
 namespace sammo;
 
 use sammo\DTO\BettingInfo;
+use sammo\DTO\BettingItem;
 
 class Betting
 {
@@ -56,6 +57,82 @@ class Betting
         return $this->info;
     }
 
+    public function bet(int $generalID, ?int $userID, array $bettingType, int $amount): void{
+        $bettingInfo = $this->info;
+
+        if ($bettingInfo->finished) {
+            throw new \RuntimeException('이미 종료된 베팅입니다');
+        }
+
+        if ($bettingInfo->finished) {
+            throw new \RuntimeException('이미 종료된 베팅입니다');
+        }
+        $db = DB::db();
+        $gameStor = KVStorage::getStorage($db, 'game_env');
+
+        [$year, $month] = $gameStor->getValuesAsArray(['year', 'month']);
+        $yearMonth = Util::joinYearMonth($year, $month);
+
+
+        if ($bettingInfo->closeYearMonth <= $yearMonth) {
+            throw new \RuntimeException('이미 마감된 베팅입니다');
+        }
+
+        if ($bettingInfo->openYearMonth > $yearMonth) {
+            throw new \RuntimeException('아직 시작되지 않은 베팅입니다');
+        }
+
+        if (count($bettingType) != $bettingInfo->selectCnt) {
+            throw new \RuntimeException('필요한 선택 수를 채우지 못했습니다.');
+        }
+
+        $bettingTypeKey = $this->convertBettingKey($bettingType);
+
+        $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
+
+        $prevBetAmount = $db->queryFirstField('SELECT sum(amount) FROM ng_betting WHERE betting_id = %i AND user_id = %i', $this->bettingID, $userID) ?? 0;
+
+        if ($prevBetAmount + $amount > 1000) {
+            throw new \RuntimeException((1000 - $prevBetAmount) . ' 포인트까지만 베팅 가능합니다.');
+        }
+
+        if ($bettingInfo->reqInheritancePoint) {
+            $remainPoint = ($inheritStor->getValue('previous') ?? [0, 0])[0];
+            if ($remainPoint < $amount) {
+                throw new \RuntimeException('유산포인트가 충분하지 않습니다.');
+            }
+        } else {
+            $remainPoint = $db->queryFirstField('SELECT gold FROM general WHERE no = %i', $generalID) ?? 0;
+            if ($remainPoint < GameConst::$generalMinimumGold + $amount) {
+                throw new \RuntimeException('금이 부족합니다.');
+            }
+        }
+
+        $bettingItem = new BettingItem([
+            'betting_id' => $this->bettingID,
+            'general_id' => $generalID,
+            'user_id' => $userID,
+            'betting_type' => $bettingTypeKey,
+            'amount' => $amount
+        ]);
+
+        $db->insertUpdate(
+            'ng_betting',
+            $bettingItem->toArray(),
+            ['amount' => $db->sqleval('amount + %i', $amount)]
+        );
+        if ($bettingInfo->reqInheritancePoint) {
+            $inheritStor->setValue('previous', [$remainPoint - $amount, null]);
+            $userLogger = new UserLogger($userID);
+            $userLogger->push("{$amount} 포인트를 베팅에 사용", "inheritPoint");
+            $userLogger->flush();
+        } else {
+            $db->update('general', [
+                'gold' => $db->sqleval('gold - %i', $amount)
+            ], 'no = %i', $generalID);
+        }
+    }
+
     /** @param int[] $result */
     private function _calcRewardExclusive(array $bettingType): array
     {