diff --git a/services/audiomanager/managersource/src/dmic_dev.cpp b/services/audiomanager/managersource/src/dmic_dev.cpp
index 12df0aa2b4ac1a195699e4f67a03974fae42ce0f..7a2290a12936f1c223771e15b1abc3702ab0210f 100644
--- a/services/audiomanager/managersource/src/dmic_dev.cpp
+++ b/services/audiomanager/managersource/src/dmic_dev.cpp
@@ -327,7 +327,12 @@ int32_t DMicDev::SetUp()
         CHECK_NULL_RETURN(frameData_, ERR_DH_AUDIO_NULLPTR);
     }
     isRingbufferOn_.store(true);
-    ringbufferThread_ = std::thread([this]() { this->ReadFromRingbuffer(); });
+    ringbufferThread_ = std::thread([ptr = shared_from_this()]() {
+        if (!ptr) {
+            return;
+        }
+        ptr->ReadFromRingbuffer();
+    });
     echoCannelOn_ = true;
 #ifdef ECHO_CANNEL_ENABLE
     if (echoCannelOn_ && echoManager_ == nullptr) {
@@ -529,7 +534,12 @@ int32_t DMicDev::MmapStart()
     frameIndex_ = 0;
     startTime_ = 0;
     isEnqueueRunning_.store(true);
-    enqueueDataThread_ = std::thread([this]() { this->EnqueueThread(); });
+    enqueueDataThread_ = std::thread([ptr = shared_from_this()]() {
+        if (!ptr) {
+            return;
+        }
+        ptr->EnqueueThread();
+    });
     if (pthread_setname_np(enqueueDataThread_.native_handle(), ENQUEUE_THREAD) != DH_SUCCESS) {
         DHLOGE("Enqueue data thread setname failed.");
     }