清除swagger的ObjectMapper，它影响了全局的Jackson与Java对象序列化的转化规则

src/main/java/cn/quantgroup/xyqb/config/swagger/SwaggerConfig.java

 package cn.quantgroup.xyqb.config.swagger;
 
-import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
-import com.google.common.base.Predicates;
-import io.swagger.annotations.ApiOperation;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Primary;
-import org.springframework.stereotype.Component;
+
+import com.google.common.base.Predicates;
+import io.swagger.annotations.ApiOperation;
 import springfox.documentation.builders.ApiInfoBuilder;
 import springfox.documentation.builders.PathSelectors;
 import springfox.documentation.builders.RequestHandlerSelectors;
@@ -53,17 +48,5 @@ public class SwaggerConfig {
                 .version("2.0")
                 .build();
     }
-
-    @Component
-    @Primary
-    public class CustomObjectMapper extends ObjectMapper {
-        public CustomObjectMapper() {
-            setSerializationInclusion(JsonInclude.Include.NON_NULL);
-            configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
-            configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
-            configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
-            enable(SerializationFeature.INDENT_OUTPUT);
-        }
-    }
 }