空指针

server-common/src/main/java/com/makeit/module/demo/service/DemoProductDeviceService.java

@@ -56,9 +56,11 @@ public class DemoProductDeviceService extends DemoCommonService {
         try {
         try {
             DemoResponseMessage responseMessage = sendPost(url, request);
             DemoResponseMessage responseMessage = sendPost(url, request);
             if (responseMessage.getRetcode() == 0) {
             if (responseMessage.getRetcode() == 0) {
+                if(responseMessage.getData() != null){
                     DemoDeviceEntity demoDeviceEntities = JSON.parseObject(responseMessage.getData().toString(),DemoDeviceEntity.class);
                     DemoDeviceEntity demoDeviceEntities = JSON.parseObject(responseMessage.getData().toString(),DemoDeviceEntity.class);
                     return demoDeviceEntities;
                     return demoDeviceEntities;
                 }
                 }
+            }
             log.error("获取设备接口失败:{}", responseMessage.getMsg());
             log.error("获取设备接口失败:{}", responseMessage.getMsg());
         } catch (IOException e) {
         } catch (IOException e) {
             log.error("调用：{}接口异常：{}", url, e.getMessage());
             log.error("调用：{}接口异常：{}", url, e.getMessage());