diff --git a/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.cpp b/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.cpp
index a5eb774fcffdbda5a3158fd37b5e6bcd50bdbc72..801e8eb5d5be5ff37da9915ccf5aaf5f0b0ecd7c 100644
--- a/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.cpp
+++ b/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.cpp
@@ -34,6 +34,10 @@ void AudioRendererStateCallbackFuzz::OnRendererStateChange(
 
 void AudioCapturerStateCallbackFuzz::OnCapturerStateChange(
     const std::vector<std::unique_ptr<AudioCapturerChangeInfo>> &audioCapturerChangeInfos) {}
+
+void AudioManagerAvailableDeviceChangeCallbackFUZZ::OnAvailableDeviceChange(
+    const AudioDeviceUsage usage, const DeviceChangeAction &deviceChangeAction) {}
+
 const int32_t LIMITSIZE = 4;
 void AudioManagerFuzzTest(const uint8_t* data, size_t size)
 {
@@ -75,6 +79,11 @@ void AudioManagerFuzzTest(const uint8_t* data, size_t size)
         std::make_shared<AudioFocusInfoChangeCallbackFuzz>();
     AudioSystemManager::GetInstance()->RegisterFocusInfoChangeCallback(focusInfoChangeCallbackFuzz);
     AudioSystemManager::GetInstance()->UnregisterFocusInfoChangeCallback();
+    AudioDeviceUsage usage = *reinterpret_cast<const AudioDeviceUsage *>(data);
+    shared_ptr<AudioManagerAvailableDeviceChangeCallbackFUZZ> availableDeviceChangeCallbackFUZZ =
+        std::make_shared<AudioManagerAvailableDeviceChangeCallbackFUZZ>();
+    AudioSystemManager::GetInstance()->SetAvailableDeviceChangeCallback(usage, availableDeviceChangeCallbackFUZZ);
+    AudioSystemManager::GetInstance()->UnsetAvailableDeviceChangeCallback(usage);
 }
 
 void AudioRoutingManagerFuzzTest(const uint8_t* data, size_t size)
@@ -105,6 +114,8 @@ void AudioRoutingManagerFuzzTest(const uint8_t* data, size_t size)
     AudioRoutingManager::GetInstance()->SetPreferredInputDeviceChangeCallback(capturerInfo, preferredInputCallbackFuzz);
     AudioRoutingManager::GetInstance()->UnsetPreferredInputDeviceChangeCallback();
     AudioRoutingManager::GetInstance()->GetAvailableMicrophones();
+    AudioDeviceUsage usage = *reinterpret_cast<const AudioDeviceUsage *>(data);
+    AudioRoutingManager::GetInstance()->GetAvailableDevices(usage);
 }
 
 void AudioStreamManagerFuzzTest(const uint8_t* data, size_t size)
diff --git a/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.h b/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.h
index 89f3b5570067c8d5e61f699796e8888f5416802c..c43f234492fe1c7b94538a166080254ab4c2695d 100644
--- a/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.h
+++ b/test/fuzztest/audiomanager_fuzzer/audio_manager_fuzzer.h
@@ -56,6 +56,13 @@ public:
     virtual ~AudioFocusInfoChangeCallbackFuzz() = default;
     virtual void OnAudioFocusInfoChange(const std::list<std::pair<AudioInterrupt, AudioFocuState>> &focusInfoList) {};
 };
+
+class AudioManagerAvailableDeviceChangeCallbackFUZZ : public AudioManagerAvailableDeviceChangeCallback {
+public:
+    explicit AudioManagerAvailableDeviceChangeCallbackFUZZ() = default;
+    virtual ~AudioManagerAvailableDeviceChangeCallbackFUZZ() = default;
+    void OnAvailableDeviceChange(const AudioDeviceUsage usage, const DeviceChangeAction &deviceChangeAction) override;
+};
 } // namespace AudioStandard
 } // namesapce OHOS