diff --git a/services/impl/audio_source/audio_source.cpp b/services/impl/audio_source/audio_source.cpp
index d5ba6eae928ac1187a90c61a24aa09994fa34db1..7f9dcad257a38642f0460710832c31616667b7a3 100644
--- a/services/impl/audio_source/audio_source.cpp
+++ b/services/impl/audio_source/audio_source.cpp
@@ -49,7 +49,7 @@ AudioSource::AudioSource()
         struct AudioAdapterDescriptor *desc = &descs[index];
         for (int port = 0; (desc != nullptr && port < static_cast<int>(desc->portNum)); port++) {
             if (desc->ports[port].dir == PORT_IN &&
-                !(g_audioManager->LoadAdapter(g_audioManager, desc, &audioAdapter_))) {
+                !(g_audioManager->LoadAdapter(g_audioManager, desc, &audioAdapter_)) && audioAdapter_ != nullptr) {
                 (void)audioAdapter_->InitAllPorts(audioAdapter_);
                 if (memcpy_s(&capturePort_, sizeof(struct AudioPort),
                     &desc->ports[port], sizeof(struct AudioPort))) {