diff --git a/src/main/java/com/ycwl/basic/clickhouse/service/impl/ClickHouseStatsQueryServiceImpl.java b/src/main/java/com/ycwl/basic/clickhouse/service/impl/ClickHouseStatsQueryServiceImpl.java
index f51ac016..1041d3b3 100644
--- a/src/main/java/com/ycwl/basic/clickhouse/service/impl/ClickHouseStatsQueryServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/clickhouse/service/impl/ClickHouseStatsQueryServiceImpl.java
@@ -15,6 +15,7 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
+import java.util.TimeZone;
 
 /**
  * ClickHouse 统计数据查询服务实现
@@ -28,8 +29,25 @@ import java.util.List;
 @ConditionalOnProperty(prefix = "clickhouse", name = "enabled", havingValue = "true")
 public class ClickHouseStatsQueryServiceImpl implements StatsQueryService {
 
-    private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
-    private static final SimpleDateFormat DATETIME_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+    private static final TimeZone CLICKHOUSE_TIMEZONE = TimeZone.getTimeZone("Asia/Shanghai");
+
+    /**
+     * 创建日期格式化器（SimpleDateFormat 非线程安全，每次创建新实例）
+     */
+    private SimpleDateFormat createDateFormat() {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+        sdf.setTimeZone(CLICKHOUSE_TIMEZONE);
+        return sdf;
+    }
+
+    /**
+     * 创建日期时间格式化器
+     */
+    private SimpleDateFormat createDateTimeFormat() {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        sdf.setTimeZone(CLICKHOUSE_TIMEZONE);
+        return sdf;
+    }
 
     @Autowired
     @Qualifier("clickHouseJdbcTemplate")
@@ -51,14 +69,14 @@ public class ClickHouseStatsQueryServiceImpl implements StatsQueryService {
      * 格式化日期时间为 ClickHouse 可识别的字符串
      */
     private String formatDateTime(Date date) {
-        return date != null ? "'" + DATETIME_FORMAT.format(date) + "'" : null;
+        return date != null ? "'" + createDateTimeFormat().format(date) + "'" : null;
     }
 
     /**
      * 格式化日期为 ClickHouse 可识别的字符串
      */
     private String formatDate(Date date) {
-        return date != null ? "'" + DATE_FORMAT.format(date) + "'" : null;
+        return date != null ? "'" + createDateFormat().format(date) + "'" : null;
     }
 
     /**
@@ -304,8 +322,9 @@ public class ClickHouseStatsQueryServiceImpl implements StatsQueryService {
 
     @Override
     public List<HashMap<String, Object>> getDailyScanStats(Long brokerId, Date startTime, Date endTime) {
-        String startDateStr = DATE_FORMAT.format(startTime);
-        String endDateStr = DATE_FORMAT.format(endTime);
+        SimpleDateFormat dateFormat = createDateFormat();
+        String startDateStr = dateFormat.format(startTime);
+        String endDateStr = dateFormat.format(endTime);
         String startDateTimeStr = "'" + startDateStr + " 00:00:00'";
         String endDateTimeStr = "'" + endDateStr + " 23:59:59'";