diff --git a/itc-pcitc-dependencies/itc-pcitc-dependencies-service/src/main/java/com/pictc/utils/DataLogTools.java b/itc-pcitc-dependencies/itc-pcitc-dependencies-service/src/main/java/com/pictc/utils/DataLogTools.java
index 3820877..a3c2eea 100644
--- a/itc-pcitc-dependencies/itc-pcitc-dependencies-service/src/main/java/com/pictc/utils/DataLogTools.java
+++ b/itc-pcitc-dependencies/itc-pcitc-dependencies-service/src/main/java/com/pictc/utils/DataLogTools.java
@@ -649,8 +649,11 @@ public class DataLogTools {
 				Object newVal = BeanUtils.getFieldValue(item.getField(),entity);
 				Object oldVal = BeanUtils.getFieldValue(item.getField(),old);
 				boolean flag = false;
-				if((newVal==null && oldVal!=null) || (newVal!=null && oldVal==null)) {
-					flag = true;
+				boolean isString = String.class.equals(item.getJavaType());
+				if(newVal==null && oldVal!=null) {
+					flag = isString?StringUtils.isNotEmpty((String)oldVal):true;
+				}else if(newVal!=null && oldVal==null) {
+					flag = isString?StringUtils.isNotEmpty((String)newVal):true;
 				}else if(newVal!=null && oldVal!=null && !newVal.equals(oldVal)) {
 					flag = true;
 				}