diff --git a/data-center-business-controller/src/main/resources/db/migration/V112__f10_journal_log_sendTs.sql b/data-center-business-controller/src/main/resources/db/migration/V112__f10_journal_log_sendTs.sql
new file mode 100644
index 0000000..367fce1
--- /dev/null
+++ b/data-center-business-controller/src/main/resources/db/migration/V112__f10_journal_log_sendTs.sql
@@ -0,0 +1,46 @@
+-- 1. 添加字段
+ALTER TABLE f10_journal_log
+    ADD COLUMN send_timestamp bigint DEFAULT NULL COMMENT 'send_date+send_time的毫秒级时间戳'
+        AFTER receive_timestamp;
+
+
+-- 2. 回填日本时间 -> UTC毫秒时间戳
+UPDATE f10_journal_log
+SET send_timestamp =
+        UNIX_TIMESTAMP(
+                CONVERT_TZ(
+                        STR_TO_DATE(
+                                CONCAT(send_date, send_time),
+                                '%Y%m%d%H%i%s'
+                        ),
+                        'Asia/Tokyo',
+                        '+00:00'
+                )
+        ) * 1000
+WHERE send_date IS NOT NULL
+  AND send_time IS NOT NULL;
+
+
+-- 3. 删除重复，保留id最大
+DELETE t1
+FROM f10_journal_log t1
+         JOIN f10_journal_log t2
+              ON t1.device_id = t2.device_id
+                  AND t1.instruction_flag = t2.instruction_flag
+                  AND t1.send_timestamp = t2.send_timestamp
+                  AND t1.id < t2.id;
+
+
+-- 4. 删除旧唯一索引
+ALTER TABLE f10_journal_log
+    DROP INDEX uk_device_alarm_ts;
+
+
+-- 5. 创建新唯一索引
+ALTER TABLE f10_journal_log
+    ADD UNIQUE KEY uk_device_instruction_send_time
+        (
+         device_id,
+         instruction_flag,
+         send_timestamp
+            ) USING BTREE;
\ No newline at end of file
diff --git a/data-center-business-controller/src/main/resources/db/migration/V113__idx_alert_history_search.sql b/data-center-business-controller/src/main/resources/db/migration/V113__idx_alert_history_search.sql
new file mode 100644
index 0000000..abcc93a
--- /dev/null
+++ b/data-center-business-controller/src/main/resources/db/migration/V113__idx_alert_history_search.sql
@@ -0,0 +1,20 @@
+-- 判断索引是否存在
+SET @index_exists = (
+    SELECT COUNT(*)
+    FROM information_schema.statistics
+    WHERE table_schema = DATABASE()
+      AND table_name = 'alert_history'
+      AND index_name = 'idx_alert_history_search'
+);
+
+-- 根据判断结果生成 SQL
+SET @sql = IF(
+        @index_exists = 0,
+        'CREATE INDEX idx_alert_history_search ON alert_history (block_flag, source_type, handle_status)',
+        'SELECT "Index idx_alert_history_search already exists." AS message'
+           );
+
+-- 执行 SQL
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
\ No newline at end of file
diff --git a/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/AccountServiceImpl.java b/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/AccountServiceImpl.java
index 700a047..6f89f19 100644
--- a/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/AccountServiceImpl.java
+++ b/data-center-business-service/src/main/java/com/techsor/datacenter/business/service/impl/AccountServiceImpl.java
@@ -253,7 +253,7 @@ public class AccountServiceImpl implements AccountService {
 		Map<String, DashboardTreeMenusDTO> allMenuMap = allMenus.stream()
 				.collect(Collectors.toMap(DashboardTreeMenusDTO::getMenuId, m -> m));
 
-		// 🔥 提前构建 parent -> children 映射（性能优化）
+		// 提前构建 parent -> children 映射（性能优化）
 		Map<String, List<DashboardTreeMenusDTO>> childrenMap = new HashMap<>();
 		for (DashboardTreeMenusDTO menu : allMenus) {
 			childrenMap