修改convert

pom.xml

@@ -28,6 +28,12 @@
             <artifactId>tuoheng-api-device</artifactId>
         </dependency>
 
+        <!-- RuoYi Common Core -->
+        <dependency>
+            <groupId>com.ruoyi</groupId>
+            <artifactId>ruoyi-common-core</artifactId>
+        </dependency>
+
     	<!-- SpringCloud Alibaba Nacos -->
         <dependency>
             <groupId>com.alibaba.cloud</groupId>

src/main/java/com/ruoyi/device/service/impl/BufferDeviceImpl.java

@@ -208,7 +208,7 @@ public class BufferDeviceImpl implements IBufferDeviceService
             }
         }
 
-        
+
         log.info("getThingsBoardData {}", JSON.toJSONString(data));
 
         return data;