diff --git a/laws-modules/src/main/java/com/jero/modules/laws/common/service/impl/LawsCommonServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/common/service/impl/LawsCommonServiceImpl.java
index 43fc564c..4f90ddb2 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/common/service/impl/LawsCommonServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/common/service/impl/LawsCommonServiceImpl.java
@@ -1728,7 +1728,11 @@ public class LawsCommonServiceImpl implements ILawsCommonService {
     private String setValue(String fieldShowType, String value) {
         if (LawsFieldTypeEnum.DATE_SINGLE.getValue().equals(fieldShowType)) {
             // 如果是单日期格式，做格式处理
-            value = FieldCommon.STR_TO_DATE_PREFIX + value + FieldCommon.STR_TO_DATE_SUFFIX;
+            if (StringUtils.isBlank(value)) {
+                value = null;
+            } else {
+                value = FieldCommon.STR_TO_DATE_PREFIX + value + FieldCommon.STR_TO_DATE_SUFFIX;
+            }
         } else {
             // 如果是多日期格式做处理
             value = processDateManyTypeValue(value, fieldShowType);