diff --git a/src/main/java/com/example/parser/FlowableExcelMapper.java b/src/main/java/com/example/parser/FlowableExcelMapper.java
index 12bc072..a32b5a2 100644
--- a/src/main/java/com/example/parser/FlowableExcelMapper.java
+++ b/src/main/java/com/example/parser/FlowableExcelMapper.java
@@ -2,6 +2,7 @@ package com.example.parser;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
@@ -20,8 +21,9 @@ public class FlowableExcelMapper {
     protected static FlowableExcelParser flowableExcelParser = new FlowableExcelParser();
 
     public FlowableExcelMapper() {
-        // Enable ObjectMapper for handling Instant
+        // Enable ObjectMapper for handling Instant as string
         objectMapper.registerModule(javaTimeModule);
+        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
     }
 
     // excelPath defines the location of the Excel file