diff --git a/src/main/java/com/celnet/datadump/util/DataUtil.java b/src/main/java/com/celnet/datadump/util/DataUtil.java
index f679e13..f07a4fb 100644
--- a/src/main/java/com/celnet/datadump/util/DataUtil.java
+++ b/src/main/java/com/celnet/datadump/util/DataUtil.java
@@ -85,10 +85,12 @@ public class DataUtil {
                 break;
             case "date":
             case "datetime":
-            case "time":
             case "boolean":
                 result = type;
                 break;
+            case "time":
+                result = "time(3)";
+                break;
             case "long":
             case "int":
                 result = "int(" + length + ")";
@@ -420,11 +422,30 @@ public class DataUtil {
                 }
                 calendar.setTime(date);
                 return calendar;
+            case "time":
+                return adjustHour(data);
             default:
                 return data;
         }
     }
 
+    public static String adjustHour(String timeStr) {
+        // 提取小时部分并转换为整数
+        int hour = Integer.parseInt(timeStr.substring(0,  2));
+
+        // 减去8小时并处理跨天逻辑
+        int adjustedHour = hour - 8;
+        if (adjustedHour < 0) {
+            adjustedHour += 24;  // 处理负数情况（跨天）
+        }
+
+        // 格式化为两位字符串（自动补零）
+        String newHour = String.format("%02d",  adjustedHour);
+
+        // 拼接原始字符串的剩余部分（分钟+秒+毫秒）
+        return newHour + timeStr.substring(2);
+    }
+
     public static boolean isUpdate(String field){
         switch (field) {
             case "LastModifiedDate":