diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java b/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
index 92628df3..26f7053b 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/config/WebMvcConfiguration.java
@@ -12,15 +12,18 @@ import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
 import io.micrometer.prometheus.PrometheusMeterRegistry;
 import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.beans.factory.config.BeanPostProcessor;
 import org.springframework.boot.actuate.trace.http.InMemoryHttpTraceRepository;
+import org.springframework.boot.autoconfigure.jackson.JacksonProperties;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Conditional;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Primary;
 import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.web.cors.CorsConfiguration;
 import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
@@ -37,6 +40,7 @@ import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * Spring Boot 2.0 解决跨域问题
@@ -55,6 +59,11 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
     @Autowired(required = false)
     private PrometheusMeterRegistry prometheusMeterRegistry;
 
+    @Autowired
+    private ObjectProvider<Jackson2ObjectMapperBuilder> builderProvider;
+    @Autowired
+    private JacksonProperties jacksonProperties;
+
     /**
      * 静态资源的配置 - 使得可以从磁盘中读取 Html、图片、视频、音频等
      */
@@ -107,6 +116,10 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
     @Primary
     public ObjectMapper objectMapper() {
         ObjectMapper objectMapper = new ObjectMapper();
+        // 继承spring jackson 默认机制
+        if (Objects.nonNull(builderProvider.getIfAvailable())) {
+            objectMapper = builderProvider.getIfAvailable().createXmlMapper(false).build();
+        }
         //处理bigDecimal
         objectMapper.enable(JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN);
         objectMapper.enable(DeserializationFeature.USE_BIG_DECIMAL_FOR_FLOATS);
@@ -115,8 +128,10 @@ public class WebMvcConfiguration implements WebMvcConfigurer {
         objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
         objectMapper.configure(DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, false);
         objectMapper.configure(DeserializationFeature.FAIL_ON_NULL_CREATOR_PROPERTIES, false);
-        //默认的处理日期时间格式
-        objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
+        //默认的处理日期时间格式,接受通过spring.jackson.date-format配置格式化模式
+        if (Objects.isNull(jacksonProperties.getDateFormat())) {
+            objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"));
+        }
         JavaTimeModule javaTimeModule = new JavaTimeModule();
         javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
         javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
diff --git a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysDictController.java b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysDictController.java
index 58e4b12e..b77ac588 100644
--- a/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysDictController.java
+++ b/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysDictController.java
@@ -518,6 +518,10 @@ public class SysDictController {
 		QueryWrapper<SysDict> queryWrapper = QueryGenerator.initQueryWrapper(sysDict, request.getParameterMap());
 		//Step.2 AutoPoi 导出Excel
 		ModelAndView mv = new ModelAndView(new JeecgEntityExcelView());
+		String selections = request.getParameter("selections");
+		if(!oConvertUtils.isEmpty(selections)){
+			queryWrapper.in("id",selections.split(","));
+		}
 		List<SysDictPage> pageList = new ArrayList<SysDictPage>();
 
 		List<SysDict> sysDictList = sysDictService.list(queryWrapper);