Json data using ajax submit, producing chips issues

Json data using ajax submit, we must add produces annotations, as shown below. Otherwise it will produce garbled 
    one: add annotations produces 
           @ApiOperation (value = "Delete Log") 
               @RequiresPermissions ( "UPMS: log: the Delete") 
               @ RequestMapping (value = "/ the Delete / IDS {}", Method, = RequestMethod. the GET, Produces = "text / HTML; charset = UTF-. 8") 
               @ResponseBody 
               public Object Delete (@PathVariable ( "IDS") String IDS) { 
                   int COUNT = upmsLogService.deleteByPrimaryKeys (IDS); 
                   return new new UpmsResult (UpmsResultConstant.SUCCESS , COUNT); 
               } 
    method 2: springMVC-servlet.xml file tcbds-common item, add <value> file application / JSON; charset = UTF-. 8 </ value> 
         <!
            <mvc:annotation-driven>
                <mvc:message-converters>
                    <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                        <property name="supportedMediaTypes">
                            <list>
                                <value>text/html;charset=UTF-8</value>
                                <value>application/json;charset=UTF-8</value>
                            </list>
                        </property>
                    </bean>
                </mvc:message-converters>
            </mvc:annotation-driven>