diff --git a/SampleCode-V5/android-sdk-v5-sample/module-common/src/main/java/dji/sampleV5/modulecommon/pages/DiagnosticFragment.kt b/SampleCode-V5/android-sdk-v5-sample/module-common/src/main/java/dji/sampleV5/modulecommon/pages/DiagnosticFragment.kt
index 152eb2a0c..953af0b42 100644
--- a/SampleCode-V5/android-sdk-v5-sample/module-common/src/main/java/dji/sampleV5/modulecommon/pages/DiagnosticFragment.kt
+++ b/SampleCode-V5/android-sdk-v5-sample/module-common/src/main/java/dji/sampleV5/modulecommon/pages/DiagnosticFragment.kt
@@ -35,7 +35,7 @@ class DiagnosticFragment : DJIFragment() {
             updateDiagnosticMsg()
         }
 
-        diagnosticVm.currentDeviceStatus.observe(viewLifecycleOwner) {
+        diagnosticVm.lastDeviceStatus.observe(viewLifecycleOwner) {
             updateDiagnosticMsg()
         }
     }