diff --git a/src/main/java/com/tailbet/controller/RedPacketController.java b/src/main/java/com/tailbet/controller/RedPacketController.java
index d7e64bf..ed3cff8 100644
--- a/src/main/java/com/tailbet/controller/RedPacketController.java
+++ b/src/main/java/com/tailbet/controller/RedPacketController.java
@@ -29,9 +29,9 @@ public class RedPacketController {
     @PostMapping("/send")
     public R<RedPacket> sendRp(@RequestBody SendRpDTO dto) {
         Long userId = UserContext.getUserId();
-        // roundId从当前group的进行中局获取
-        var ongoingRound = gameService.getOngoingRound(dto.getGroupId());
-        Long roundId = ongoingRound == null ? null : ongoingRound.getId();
+        // roundId从当前group的RP_SENDING状态局获取
+        var sendingRound = gameService.getRpSendingRound(dto.getGroupId());
+        Long roundId = sendingRound == null ? null : sendingRound.getId();
         var rp = redPacketService.sendRp(userId, dto.getGroupId(),
                 dto.getTotalAmount(), dto.getTotalCount(), roundId);
         return R.ok(rp);
diff --git a/src/main/java/com/tailbet/job/GameJob.java b/src/main/java/com/tailbet/job/GameJob.java
index 60d4b91..9a835c8 100644
--- a/src/main/java/com/tailbet/job/GameJob.java
+++ b/src/main/java/com/tailbet/job/GameJob.java
@@ -187,6 +187,14 @@ public class GameJob {
         }
     }
 
+    /**
+     * 获取字符串配置值(带默认值)
+     */
+    public String getConfig(String key, String defaultValue) {
+        String value = configCache.get(key);
+        return value == null ? defaultValue : value;
+    }
+
     /**
      * 检查红包是否需要托领取(每3秒执行)
      */
@@ -470,10 +478,26 @@ public class GameJob {
      */
     public void botSendRp(Long roundId, Long groupId) {
         GameRound round = gameRoundMapper.selectById(roundId);
-        if (round == null || round.getTargetDigit() == null) {
+        if (round == null) {
             return;
         }
 
+        // 仅在"开始发红包"状态下才执行,避免误触发
+        if (round.getStatus() == null || round.getStatus() != IGameService.STATUS_RP_SENDING) {
+            log.debug("本局{}当前状态非发红包中（status={}）,机器人跳过发包",
+                    roundId, round.getStatus());
+            return;
+        }
+
+        // 已有用户先发包,机器人不再重复发包(让用户的红包触发开奖)
+        if (round.getFirstRpId() != null) {
+            log.info("本局{}已有用户先发包(firstRpId={}),机器人跳过发包",
+                    roundId, round.getFirstRpId());
+            return;
+        }
+
+        // 即使未设置目标尾数,机器人也会发包(由RedPacketService按随机金额处理)
+
         // 查找机器人账号
         User bot = userMapper.selectOne(new LambdaQueryWrapper<User>()
                 .eq(User::getIsBot, 1)
@@ -485,17 +509,16 @@ public class GameJob {
         }
 
         try {
-            // 机器人发1元3个包
-            RedPacket rp = redPacketService.sendRp(bot.getId(), groupId,
-                    new BigDecimal("1"), 3, roundId);
+            // 从配置读取金额和数量,默认1元3个包
+            BigDecimal amount = new BigDecimal(getConfig("bot_rp_amount", "1"));
+            int count = getConfigInt("bot_rp_count", 3);
 
-            // 红包尾数控制: 需要在发红包时预计算各份额金额
-            // 确保手气王金额的尾数等于目标尾数
-            // 注: 当前实现中红包金额随机分配,实际生产需要调用RedPacketService控制尾数
-            log.info("机器人自动发包: roundId={}, rpId={}, targetDigit={}",
-                    roundId, rp.getId(), round != null ? round.getTargetDigit() : "null");
+            // 机器人发包
+            RedPacket rp = redPacketService.sendRp(bot.getId(), groupId, amount, count, roundId);
+            log.info("机器人自动发包: roundId={}, rpId={}, amount={}, count={}, targetDigit={}",
+                    roundId, rp.getId(), amount, count, round.getTargetDigit());
         } catch (Exception e) {
-            log.error("机器人发包失败: roundId={}, error={}", roundId, e.getMessage());
+            log.error("机器人发包失败: roundId={}, error={}", roundId, e.getMessage(), e);
         }
     }
 
diff --git a/src/main/java/com/tailbet/service/IGameService.java b/src/main/java/com/tailbet/service/IGameService.java
index 9f56af2..ae345a1 100644
--- a/src/main/java/com/tailbet/service/IGameService.java
+++ b/src/main/java/com/tailbet/service/IGameService.java
@@ -43,6 +43,16 @@ public interface IGameService {
      */
     GameRound getBettingRound(Long groupId);
 
+    /**
+     * 获取群当前正在发红包的局
+     */
+    GameRound getRpSendingRound(Long groupId);
+
+    /**
+     * 获取群当前可发红包的局（已封盘或正在发红包中）
+     */
+    GameRound getActiveSendRound(Long groupId);
+
     /**
      * 生成期号
      */
diff --git a/src/main/java/com/tailbet/service/impl/GameServiceImpl.java b/src/main/java/com/tailbet/service/impl/GameServiceImpl.java
index c908179..c97cb1b 100644
--- a/src/main/java/com/tailbet/service/impl/GameServiceImpl.java
+++ b/src/main/java/com/tailbet/service/impl/GameServiceImpl.java
@@ -67,6 +67,31 @@ public class GameServiceImpl implements IGameService {
                 .last("LIMIT 1"));
     }
 
+    /**
+     * 获取群当前正在发红包的局
+     */
+    @Override
+    public GameRound getRpSendingRound(Long groupId) {
+        return gameRoundMapper.selectOne(new LambdaQueryWrapper<GameRound>()
+                .eq(GameRound::getGroupId, groupId)
+                .eq(GameRound::getStatus, STATUS_RP_SENDING)
+                .orderByDesc(GameRound::getCreateTime)
+                .last("LIMIT 1"));
+    }
+
+    /**
+     * 获取群当前可发红包的局（已封盘或正在发红包中）
+     * 改尾数阶段已封盘也允许玩家发红包（普通游戏红包,无尾数控制）
+     */
+    @Override
+    public GameRound getActiveSendRound(Long groupId) {
+        return gameRoundMapper.selectOne(new LambdaQueryWrapper<GameRound>()
+                .eq(GameRound::getGroupId, groupId)
+                .in(GameRound::getStatus, java.util.Arrays.asList(STATUS_BET_CLOSED, STATUS_RP_SENDING))
+                .orderByDesc(GameRound::getCreateTime)
+                .last("LIMIT 1"));
+    }
+
     /**
      * 生成期号
      */