空指针

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

@@ -56,8 +56,10 @@ public class DemoProductDeviceService extends DemoCommonService {
         try {
             DemoResponseMessage responseMessage = sendPost(url, request);
             if (responseMessage.getRetcode() == 0) {
-                DemoDeviceEntity demoDeviceEntities = JSON.parseObject(responseMessage.getData().toString(),DemoDeviceEntity.class);
-                return demoDeviceEntities;
+                if(responseMessage.getData() != null){
+                    DemoDeviceEntity demoDeviceEntities = JSON.parseObject(responseMessage.getData().toString(),DemoDeviceEntity.class);
+                    return demoDeviceEntities;
+                }
             }
             log.error("获取设备接口失败:{}", responseMessage.getMsg());
         } catch (IOException e) {