diff --git a/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/value/sub/MysqlTimestampProcessor.java b/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/value/sub/MysqlTimestampProcessor.java
index 29a6cf60..64e5c2f1 100644
--- a/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/value/sub/MysqlTimestampProcessor.java
+++ b/chat2db-server/chat2db-plugins/chat2db-mysql/src/main/java/ai/chat2db/plugin/mysql/value/sub/MysqlTimestampProcessor.java
@@ -19,12 +19,12 @@ public class MysqlTimestampProcessor extends DefaultValueProcessor {
 
     @Override
     public String convertJDBCValueByType(JDBCDataValue dataValue) {
-        return new String(dataValue.getBytes());
+        return dataValue.getStringValue();
     }
 
 
     @Override
     public String convertJDBCValueStrByType(JDBCDataValue dataValue) {
-        return EasyStringUtils.quoteString(new String(dataValue.getBytes()));
+        return EasyStringUtils.quoteString(dataValue.getStringValue());
     }
 }