fix #134

src/main/java/com/company/project/configurer/WebMvcConfigurer.java

@@ -3,6 +3,7 @@ package com.company.project.configurer;
 import java.io.IOException;
 import java.nio.charset.Charset;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -24,6 +25,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.web.method.HandlerMethod;
 import org.springframework.web.servlet.HandlerExceptionResolver;
@@ -56,6 +58,7 @@ public class WebMvcConfigurer extends WebMvcConfigurerAdapter {
 
         converter.setFastJsonConfig(config);
         converter.setDefaultCharset(Charset.forName("UTF-8"));
+        converter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON_UTF8));
         converters.add(converter);
     }