diff --git a/SampleCode/app/src/main/java/com/dji/sdk/sample/demo/keymanager/KeyManagerUtils.java b/SampleCode/app/src/main/java/com/dji/sdk/sample/demo/keymanager/KeyManagerUtils.java
index a0dba5da..a165a1c1 100644
--- a/SampleCode/app/src/main/java/com/dji/sdk/sample/demo/keymanager/KeyManagerUtils.java
+++ b/SampleCode/app/src/main/java/com/dji/sdk/sample/demo/keymanager/KeyManagerUtils.java
@@ -28,6 +28,7 @@
 /**
  * @author dji
  */
+@SuppressWarnings("WrongConstant")
 public class KeyManagerUtils {
     private static final String FLIGHT_CONTROLLER_ACCESS_LOCKER = "AccessLocker";
     private static final String FLIGHT_CONTROLLER_FLIGHT_ASSISTANT = "FlightAssistant";