解决线程不安全问题

device-api-service/src/main/java/com/xy/service/MqttUserServiceImpl.java

@@ -12,6 +12,7 @@ import com.xy.utils.enums.DictEnum;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.AllArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -33,6 +34,7 @@ import static com.xy.utils.PlusBeans.toPageBean;
  * @author lijin
  * @since 2023-02-17
  */
+@Slf4j
 @Service
 @AllArgsConstructor
 @Api(tags = "mqtt认证")
@@ -41,6 +43,7 @@ public class MqttUserServiceImpl extends ServiceImpl<MqttUserMapper, MqttUser> i
     @PostMapping("obj")
     @ApiOperation("对象查询")
     public R<MqttUserDto.Vo> obj(@RequestBody MqttUserDto.Obj obj) {
+        log.info("mqtt认证查询，sn：{}", obj.getSn());
         MqttUserDto.SelectList selectList = copy(MqttUserDto.SelectList.class, obj);
         List<MqttUserDto.Vo> list = list(selectList).getData();
         if (!Emptys.check(list)) {