diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/config/JacksonConfiguration.java b/blade-core-tool/src/main/java/org/springblade/core/tool/config/JacksonConfiguration.java
index e60e4b5..a716598 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/config/JacksonConfiguration.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/config/JacksonConfiguration.java
@@ -77,6 +77,8 @@ public class JacksonConfiguration {
 		objectMapper.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 		//日期格式化
 		objectMapper.registerModule(new BladeJavaTimeModule());
+		//允许空字符串序列化为null对象
+		objectMapper.enable(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
 		objectMapper.findAndRegisterModules();
 		return objectMapper;
 	}
diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/jackson/JsonUtil.java b/blade-core-tool/src/main/java/org/springblade/core/tool/jackson/JsonUtil.java
index 6b2e030..5759390 100644
--- a/blade-core-tool/src/main/java/org/springblade/core/tool/jackson/JsonUtil.java
+++ b/blade-core-tool/src/main/java/org/springblade/core/tool/jackson/JsonUtil.java
@@ -976,6 +976,8 @@ public class JsonUtil {
 			super.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 			//日期格式化
 			super.registerModule(new BladeJavaTimeModule());
+			//允许空字符串序列化为null对象
+			super.enable(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT);
 			super.findAndRegisterModules();
 		}