diff --git a/av_transport/av_trans_control_center/services/src/av_sync_manager.cpp b/av_transport/av_trans_control_center/services/src/av_sync_manager.cpp
index 5991dc2f6fbf3b3494b5416873aadaa58f20fa91..e6835b5821c472c6dee82c9cc7d34998a0c57d1d 100644
--- a/av_transport/av_trans_control_center/services/src/av_sync_manager.cpp
+++ b/av_transport/av_trans_control_center/services/src/av_sync_manager.cpp
@@ -28,8 +28,8 @@ namespace DistributedHardware {
 AVSyncManager::AVSyncManager()
 {
     AVTRANS_LOGI("AVSyncManager ctor.");
-    sourceMemory_ = { 0, 0, "" };
-    sinkMemory_ = { 0, 0, "" };
+    sourceMemory_ = { -1, 0, "" };
+    sinkMemory_ = { -1, 0, "" };
 }
 
 AVSyncManager::~AVSyncManager()
diff --git a/av_transport/common/include/av_sync_utils.h b/av_transport/common/include/av_sync_utils.h
index 62a7033e15da586b9575b3e67784cf56b561dd6d..fd36f9635824f220c74bbbf4fff661334855adfe 100644
--- a/av_transport/common/include/av_sync_utils.h
+++ b/av_transport/common/include/av_sync_utils.h
@@ -48,7 +48,7 @@ AVTransSharedMemory CreateAVTransSharedMemory(const std::string &name, size_t si
  * @brief close shared memory space.
  * @param memory    shared memory.
  */
-void CloseAVTransSharedMemory(const AVTransSharedMemory &memory) noexcept;
+void CloseAVTransSharedMemory(AVTransSharedMemory &memory) noexcept;
 
 /**
  * @brief write the clock unit into the shared memory space.
diff --git a/av_transport/common/src/av_sync_utils.cpp b/av_transport/common/src/av_sync_utils.cpp
index 98729d43bd72b19988baa9a43f2ad7eff472218f..9699cddec2f41bdedf3f3995242dc1f96980b33b 100644
--- a/av_transport/common/src/av_sync_utils.cpp
+++ b/av_transport/common/src/av_sync_utils.cpp
@@ -30,9 +30,9 @@ namespace DistributedHardware {
 AVTransSharedMemory CreateAVTransSharedMemory(const std::string &name, size_t size)
 {
     int32_t fd = AshmemCreate(name.c_str(), size);
-    if (fd <= 0) {
+    if (fd < 0) {
         AVTRANS_LOGE("create av trans shared memory failed, name=%{public}s, fd=%{public}" PRId32, name.c_str(), fd);
-        return AVTransSharedMemory{0, 0, name};
+        return AVTransSharedMemory{-1, 0, name};
     }
 
     unsigned int prot = PROT_READ | PROT_WRITE;
@@ -40,21 +40,21 @@ AVTransSharedMemory CreateAVTransSharedMemory(const std::string &name, size_t si
     if (result < 0) {
         AVTRANS_LOGE("AshmemSetProt failed, name=%{public}s, fd=%{public}" PRId32, name.c_str(), fd);
         (void)::close(fd);
-        return AVTransSharedMemory{0, 0, name};
+        return AVTransSharedMemory{-1, 0, name};
     }
 
     void *addr = ::mmap(nullptr, size, static_cast<int>(prot), MAP_SHARED, fd, 0);
     if (addr == MAP_FAILED) {
         AVTRANS_LOGE("shared memory mmap failed, name=%{public}s, fd=%{public}" PRId32, name.c_str(), fd);
         (void)::close(fd);
-        return AVTransSharedMemory{0, 0, name};
+        return AVTransSharedMemory{-1, 0, name};
     }
 
     uint8_t *base = reinterpret_cast<uint8_t*>(addr);
     if (memset_s(base, size, INVALID_VALUE_FALG, size) != EOK) {
         AVTRANS_LOGE("memset_s failed.");
         (void)::close(fd);
-        return AVTransSharedMemory{0, 0, name};
+        return AVTransSharedMemory{-1, 0, name};
     }
     uint64_t tmpsize = static_cast<uint64_t>(size);
     AVTRANS_LOGI("create av trans shared memory success, name=%{public}s, size=%{public}" PRIu64 ", fd=%{public}"
@@ -62,7 +62,7 @@ AVTransSharedMemory CreateAVTransSharedMemory(const std::string &name, size_t si
     return AVTransSharedMemory{fd, size, name};
 }
 
-void CloseAVTransSharedMemory(const AVTransSharedMemory &memory) noexcept
+void CloseAVTransSharedMemory(AVTransSharedMemory &memory) noexcept
 {
     AVTRANS_LOGI("close shared memory, name=%{public}s, size=%{public}" PRId32 ", fd=%{public}" PRId32,
         memory.name.c_str(), memory.size, memory.fd);
@@ -70,8 +70,9 @@ void CloseAVTransSharedMemory(const AVTransSharedMemory &memory) noexcept
         AVTRANS_LOGE("invalid input shared memory");
         return;
     }
-    if (memory.fd > 0) {
+    if (memory.fd >= 0) {
         (void)::close(memory.fd);
+        memory.fd = -1;
     }
 }
 
diff --git a/av_transport/common/test/unittest/av_sync_utils_test.cpp b/av_transport/common/test/unittest/av_sync_utils_test.cpp
index 0864867dc2241a8a8292dcf4e20fbe84c8315e26..11c2a28391f0d50486d134ae20edaca65f481ef3 100644
--- a/av_transport/common/test/unittest/av_sync_utils_test.cpp
+++ b/av_transport/common/test/unittest/av_sync_utils_test.cpp
@@ -61,7 +61,7 @@ HWTEST_F(AvSyncUtilsTest, CreateAVTransSharedMemory_001, TestSize.Level0)
     std::string name = "";
     size_t size = 0;
     auto ret = CreateAVTransSharedMemory(name, size);
-    EXPECT_EQ(0, ret.fd);
+    EXPECT_EQ(-1, ret.fd);
 }
 
 HWTEST_F(AvSyncUtilsTest, CloseAVTransSharedMemory_001, TestSize.Level0)