diff --git a/das/src/main/java/com/das/modules/calc/functions/FunctionOffsetDate.java b/das/src/main/java/com/das/modules/calc/functions/FunctionOffsetDate.java
index 67582de4..100ef18d 100644
--- a/das/src/main/java/com/das/modules/calc/functions/FunctionOffsetDate.java
+++ b/das/src/main/java/com/das/modules/calc/functions/FunctionOffsetDate.java
@@ -30,27 +30,27 @@ public class FunctionOffsetDate extends AbstractFunction {
     public AviatorObject call(Map<String, Object> env, AviatorObject dateData, AviatorObject dimData, AviatorObject offsetData) {
         Date date = (Date) dateData.getValue(env);
         String dim = (String) dimData.getValue(env);
-        Integer offset = (Integer) offsetData.getValue(env);
+        Long offset = (Long) offsetData.getValue(env);
 
         Date result = null;
         switch (dim) {
             case "day":
-                result = DateUtil.offset(date, DateField.DAY_OF_MONTH, offset);
+                result = DateUtil.offset(date, DateField.DAY_OF_MONTH, offset.intValue());
                 break;
             case "month":
-                result = DateUtil.offset(date, DateField.MONTH, offset);
+                result = DateUtil.offset(date, DateField.MONTH, offset.intValue());
                 break;
             case "year":
-                result = DateUtil.offset(date, DateField.YEAR, offset);
+                result = DateUtil.offset(date, DateField.YEAR, offset.intValue());
                 break;
             case "hour":
-                result = DateUtil.offset(date, DateField.HOUR, offset);
+                result = DateUtil.offset(date, DateField.HOUR, offset.intValue());
                 break;
             case "minute":
-                result = DateUtil.offset(date, DateField.MINUTE, offset);
+                result = DateUtil.offset(date, DateField.MINUTE, offset.intValue());
                 break;
             case "second":
-                result = DateUtil.offset(date, DateField.SECOND, offset);
+                result = DateUtil.offset(date, DateField.SECOND, offset.intValue());
                 break;
             default:
                 log.error("不支持的维度: {}", dim);