diff --git a/ipc/native/src/core/include/ipc_process_skeleton.h b/ipc/native/src/core/include/ipc_process_skeleton.h
index f362f28dc8b5e868f46e1944acfba50daf28c1d0..dce6cfaf141b5e9bdf34a8fb783f3f0a1a6e1de0 100755
--- a/ipc/native/src/core/include/ipc_process_skeleton.h
+++ b/ipc/native/src/core/include/ipc_process_skeleton.h
@@ -200,7 +200,7 @@ private:
     IPCProcessSkeleton();
     static IPCProcessSkeleton *instance_;
     static std::mutex procMutex_;
-    std::shared_mutex mutex_;
+    std::recursive_mutex mutex_;
     std::shared_mutex rawDataMutex_;
     std::map<std::u16string, wptr<IRemoteObject>> objects_;
     std::map<IRemoteObject *, bool> isContainStub_;
diff --git a/ipc/native/src/core/source/ipc_process_skeleton.cpp b/ipc/native/src/core/source/ipc_process_skeleton.cpp
index ef9a066f68fc959e0039162f22d6486086c32d28..c9a72d5f4c0bace7a2df12055aa4cd55f3369090 100755
--- a/ipc/native/src/core/source/ipc_process_skeleton.cpp
+++ b/ipc/native/src/core/source/ipc_process_skeleton.cpp
@@ -126,7 +126,7 @@ IRemoteObject *IPCProcessSkeleton::FindOrNewObject(int handle)
     IRemoteObject *remoteObject = nullptr;
     std::u16string descriptor = MakeHandleDescriptor(handle);
     {
-        std::unique_lock<std::shared_mutex> lockGuard(mutex_);
+        std::lock_guard<std::recursive_mutex> lock(mutex_);
 
         remoteObject = QueryObjectInner(descriptor);
         if (remoteObject == nullptr) {
@@ -232,7 +232,7 @@ bool IPCProcessSkeleton::IsContainsObject(IRemoteObject *object)
 
 bool IPCProcessSkeleton::DetachObject(IRemoteObject *object)
 {
-    std::unique_lock<std::shared_mutex> lockGuard(mutex_);
+    std::lock_guard<std::recursive_mutex> lock(mutex_);
     // If it fails, clear it in the destructor.
     (void)isContainStub_.erase(object);
 
@@ -246,7 +246,7 @@ bool IPCProcessSkeleton::DetachObject(IRemoteObject *object)
 
 bool IPCProcessSkeleton::AttachObject(IRemoteObject *object)
 {
-    std::unique_lock<std::shared_mutex> lockGuard(mutex_);
+    std::lock_guard<std::recursive_mutex> lock(mutex_);
     return AttachObjectInner(object);
 }
 
@@ -269,7 +269,7 @@ IRemoteObject *IPCProcessSkeleton::QueryObject(const std::u16string &descriptor)
         return nullptr;
     }
 
-    std::shared_lock<std::shared_mutex> lockGuard(mutex_);
+    std::lock_guard<std::recursive_mutex> lock(mutex_);
     return QueryObjectInner(descriptor);
 }
 
diff --git a/ipc/native/src/mock/source/binder_invoker.cpp b/ipc/native/src/mock/source/binder_invoker.cpp
index 23c52969d5ee1b1368d075de8ed6daa9389accf4..f88b17b004ff5191a1e72fa734bf0930e923332c 100755
--- a/ipc/native/src/mock/source/binder_invoker.cpp
+++ b/ipc/native/src/mock/source/binder_invoker.cpp
@@ -249,7 +249,10 @@ int BinderInvoker::TranslateStub(binder_uintptr_t cookie, binder_uintptr_t ptr,
 
 sptr<IRemoteObject> BinderInvoker::GetSAMgrObject()
 {
-    return nullptr;
+    IPCProcessSkeleton *current = IPCProcessSkeleton::GetCurrent();
+    if (current != nullptr) {
+        return current->GetRegistryObject();
+    }
 }
 
 #endif
diff --git a/services/dbinder/dbinder_service/src/socket/dbinder_remote_listener.cpp b/services/dbinder/dbinder_service/src/socket/dbinder_remote_listener.cpp
index b9f753a84ea6d03c191194beeb16f4c96afa0ef7..a4f25e8218b566ad494be8234964b09e5b9f5691 100755
--- a/services/dbinder/dbinder_service/src/socket/dbinder_remote_listener.cpp
+++ b/services/dbinder/dbinder_service/src/socket/dbinder_remote_listener.cpp
@@ -120,7 +120,7 @@ std::shared_ptr<Session> DBinderRemoteListener::OpenSoftbusSession(const std::st
 int DBinderRemoteListener::OnSessionOpened(std::shared_ptr<Session> session)
 {
     DBINDER_LOGI("peer session is open");
-    if (session->GetPeerUid() != getuid() || session->GetPeerSessionName() != PEER_SESSION_NAME) {
+    if (session->GetPeerSessionName() != PEER_SESSION_NAME) {
         DBINDER_LOGE("invalid session name, peer session name = %{public}s", session->GetPeerSessionName().c_str());
         return -DBINDER_SERVICE_WRONG_SESSION;
     }