diff --git a/config.yml b/config.yml
index ab89f66..92b0866 100644
--- a/config.yml
+++ b/config.yml
@@ -12,7 +12,7 @@ server:
 
 # 日志配置
 log:
-  level: "info" # 日志级别: "debug", "info", "warn", "error", "dpanic", "panic", "fatal"
+  level: "debug" # 日志级别: "debug", "info", "warn", "error", "dpanic", "panic", "fatal"
   format: "console" # 日志格式: "console" 或 "json"
   enable_file: true # 是否启用文件日志
   file_path: "./app_logs/app.log" # 日志文件路径
diff --git a/internal/infra/repository/alarm_repository.go b/internal/infra/repository/alarm_repository.go
index 6725308..def002d 100644
--- a/internal/infra/repository/alarm_repository.go
+++ b/internal/infra/repository/alarm_repository.go
@@ -405,16 +405,9 @@ func (r *gormAlarmRepository) buildGroupAClause(tx *gorm.DB, configuredLevels []
 		tx = tx.Where("1 = 1")
 	}
 
-	// A.2. 构造 Group A 核心逻辑 (LastNotifiedAt IS NULL 且满足忽略条件)
-
-	// C_A_Ignored: 被忽略 且 仅发送一次 (忽略期已在前置任务中解除)
-	ignoredQuery := tx.Where("is_ignored = ? AND last_notified_at IS NULL", true)
-
-	// C_A_NotIgnored: 未被忽略 且 仅发送一次
-	notIgnoredQuery := tx.Where("is_ignored = ? AND last_notified_at IS NULL", false)
-
-	// A.3. 组合 Group A 核心逻辑: (C_A_Ignored OR C_A_NotIgnored)
-	return tx.Where(ignoredQuery).Or(notIgnoredQuery)
+	// A.2. 构造 Group A 核心逻辑 (LastNotifiedAt IS NULL 且未被忽略)
+	// 由于前置任务已处理忽略状态，这里只需筛选未被忽略且未通知过的告警
+	return tx.Where("is_ignored = ? AND last_notified_at IS NULL", false)
 }
 
 // buildGroupBClause 构造 Group B 的 WHERE 语句和参数列表。
@@ -440,18 +433,9 @@ func (r *gormAlarmRepository) buildGroupBClause(tx *gorm.DB, intervalByLevel map
 		iccQuery = iccQuery.Or(sql, level, now)
 	}
 
-	// B.3. 组合 Group B 核心逻辑: (last_notified_at IS NULL OR [ICC])
-
-	// C_B_NotIgnored: 未被忽略
-	notIgnoredQuery := tx.Where("is_ignored = ?", false).Where(
-		tx.Where("last_notified_at IS NULL").Or(iccQuery), // LastNotifiedAt IS NULL OR ICC
+	// B.3. 组合 Group B 核心逻辑: (is_ignored = false AND (last_notified_at IS NULL OR [ICC]))
+	// 由于前置任务已处理忽略状态，这里只需筛选未被忽略且满足通知条件的告警
+	return tx.Where("is_ignored = ?", false).Where(
+		tx.Session(&gorm.Session{}).Where("last_notified_at IS NULL").Or(iccQuery),
 	)
-
-	// C_B_Ignored: 被忽略 (忽略期已在前置任务中解除)
-	ignoredQuery := tx.Where("is_ignored = ?", true).Where(
-		tx.Where("last_notified_at IS NULL").Or(iccQuery), // LastNotifiedAt IS NULL OR ICC
-	)
-
-	// B.4. 组合 Group B 核心逻辑: (C_B_NotIgnored OR C_B_Ignored)
-	return tx.Where(notIgnoredQuery).Or(ignoredQuery)
 }