fix

mec-student/src/main/java/com/ym/mec/student/config/WebMvcConfig.java

@@ -57,9 +57,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
 		converter.setSupportedMediaTypes(fastMediaTypes);
 
-		FastJsonConfig fastJsonConfig = new FastJsonConfig();
+		/*FastJsonConfig fastJsonConfig = new FastJsonConfig();
 		fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue, SerializerFeature.PrettyFormat, SerializerFeature.DisableCircularReferenceDetect);
-		converter.setFastJsonConfig(fastJsonConfig);
+		converter.setFastJsonConfig(fastJsonConfig);*/
 
 		return new HttpMessageConverters(converter);
 	}

mec-teacher/src/main/java/com/ym/mec/teacher/config/WebMvcConfig.java

@@ -57,9 +57,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
         fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
         converter.setSupportedMediaTypes(fastMediaTypes);
 
-		FastJsonConfig fastJsonConfig = new FastJsonConfig();
+		/*FastJsonConfig fastJsonConfig = new FastJsonConfig();
 		fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue, SerializerFeature.PrettyFormat, SerializerFeature.DisableCircularReferenceDetect);
-		converter.setFastJsonConfig(fastJsonConfig);
+		converter.setFastJsonConfig(fastJsonConfig);*/
 
         return new HttpMessageConverters(converter);
     }

mec-web/src/main/java/com/ym/mec/web/config/WebMvcConfig.java

@@ -48,9 +48,9 @@ public class WebMvcConfig implements WebMvcConfigurer {
 		fastMediaTypes.add(MediaType.APPLICATION_JSON_UTF8);
 		converter.setSupportedMediaTypes(fastMediaTypes);
 
-		FastJsonConfig fastJsonConfig = new FastJsonConfig();
+		/*FastJsonConfig fastJsonConfig = new FastJsonConfig();
 		fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue, SerializerFeature.PrettyFormat, SerializerFeature.DisableCircularReferenceDetect);
-		converter.setFastJsonConfig(fastJsonConfig);
+		converter.setFastJsonConfig(fastJsonConfig);*/
 
 		return new HttpMessageConverters(converter);
 	}