diff --git a/interfaces/innerkits/libdbinder/BUILD.gn b/interfaces/innerkits/libdbinder/BUILD.gn
old mode 100755
new mode 100644
index ad4ce246f54667f86b388dca68c7a6faa4037722..24bec754a20da9195ad94fba97008aa66dc34131
--- a/interfaces/innerkits/libdbinder/BUILD.gn
+++ b/interfaces/innerkits/libdbinder/BUILD.gn
@@ -56,7 +56,6 @@ ohos_shared_library("libdbinder") {
   external_deps = [
     "dsoftbus_standard:softbus_client",
     "hiviewdfx_hilog_native:libhilog",
-    "samgr_standard:samgr_proxy",
   ]
   subsystem_name = "communication"
   part_name = "ipc"
diff --git a/interfaces/innerkits/libdbinder/include/dbinder_service.h b/interfaces/innerkits/libdbinder/include/dbinder_service.h
old mode 100755
new mode 100644
index b23e5f47cfcdaa8da1f4946af7725d148d53d448..4127d6f269f3d7ba756c8614fbf2a1aee4e3f9e6
--- a/interfaces/innerkits/libdbinder/include/dbinder_service.h
+++ b/interfaces/innerkits/libdbinder/include/dbinder_service.h
@@ -24,6 +24,7 @@
 #include <list>
 #include <thread>
 
+#include "if_dbinder_service.h"
 #include "ipc_object_proxy.h"
 #include "ipc_object_stub.h"
 #include "dbinder_service_stub.h"
@@ -101,6 +102,7 @@ public:
 public:
     static sptr<DBinderService> GetInstance();
     bool StartDBinderService();
+    bool StartDBinderService(std::shared_ptr<IDBinderService> &callbackImpl);
     sptr<DBinderServiceStub> MakeRemoteBinder(const std::u16string &serviceName,
         const std::string &deviceID, binder_uintptr_t binderObject, uint64_t pid = 0);
     bool RegisterRemoteProxy(std::u16string serviceName, sptr<IRemoteObject> binderObject);
@@ -194,6 +196,8 @@ private:
     std::map<IPCObjectProxy *, std::string> busNameObject_;
     static constexpr int32_t FIRST_SYS_ABILITY_ID = 0x00000001;
     static constexpr int32_t LAST_SYS_ABILITY_ID = 0x00ffffff;
+
+    std::shared_ptr<IDBinderService> dbinderCallback_;
 };
 } // namespace OHOS
 #endif // OHOS_IPC_SERVICES_DBINDER_DBINDER_SERVICE_H
diff --git a/interfaces/innerkits/libdbinder/include/if_dbinder_service.h b/interfaces/innerkits/libdbinder/include/if_dbinder_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..c6708cde7a96653d3081a466885f4c4bcf2ec1d3
--- /dev/null
+++ b/interfaces/innerkits/libdbinder/include/if_dbinder_service.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef INTERFACES_RPC_SERVICES_DBINDER_H
+#define INTERFACES_RPC_SERVICES_DBINDER_H
+
+#include "iremote_object.h"
+
+namespace OHOS {
+class IDBinderService{
+public:
+    virtual sptr<IRemoteObject> GetSystemAbilityFromRemote(int32_t systemAbilityId) = 0;
+    IDBinderService() = default;
+    virtual ~IDBinderService() = default;
+};
+} // namespace OHOS
+#endif // INTERFACES_RPC_SERVICES_DBINDER_H
\ No newline at end of file
diff --git a/services/dbinder/dbinder_service/src/dbinder_service.cpp b/services/dbinder/dbinder_service/src/dbinder_service.cpp
old mode 100755
new mode 100644
index 657d1638cfcc4c54f266811a2c9c68820c36aade..9c9ff2dec2889e5922503e9ca38a73c4afbedeab
--- a/services/dbinder/dbinder_service/src/dbinder_service.cpp
+++ b/services/dbinder/dbinder_service/src/dbinder_service.cpp
@@ -21,14 +21,12 @@
 #include <arpa/inet.h>
 #include "securec.h"
 #include "string_ex.h"
-#include "iservice_registry.h"
 #include "ipc_skeleton.h"
 #include "ipc_thread_skeleton.h"
 
 #include "dbinder_log.h"
 #include "dbinder_service_stub.h"
 #include "dbinder_remote_listener.h"
-#include "if_system_ability_manager.h"
 #include "dbinder_error_code.h"
 #include "softbus_bus_center.h"
 #include "dbinder_sa_death_recipient.h"
@@ -89,6 +87,22 @@ bool DBinderService::StartDBinderService()
     return true;
 }
 
+bool DBinderService::StartDBinderService(std::shared_ptr<IDBinderService> &callbackImpl)
+{
+    if (mainThreadCreated_) {
+        return true;
+    }
+
+    bool result = StartRemoteListener();
+    if (!result) {
+        return false;
+    }
+    mainThreadCreated_ = true;
+    dbinderCallback_ = callbackImpl;
+
+    return true;
+}
+
 bool DBinderService::StartRemoteListener()
 {
     if (remoteListener_ != nullptr) {
@@ -378,15 +392,8 @@ sptr<IRemoteObject> DBinderService::FindOrNewProxy(binder_uintptr_t binderObject
         DBINDER_LOGE("service is not registered in this device, saId:%{public}d", systemAbilityId);
         return nullptr;
     }
-
-    auto manager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
-    if (manager == nullptr) {
-        DBINDER_LOGE("when new proxy, find samgr fail!");
-        return nullptr;
-    }
-
-    int digitalName = !serviceName.empty() ? std::atoi(Str16ToStr8(serviceName).c_str()) : systemAbilityId;
-    proxy = manager->GetSystemAbility(digitalName);
+    int32_t digitalName = !serviceName.empty() ? std::atoi(Str16ToStr8(serviceName).c_str()) : systemAbilityId;
+    proxy = dbinderCallback_->GetSystemAbilityFromRemote(digitalName);
     if (proxy != nullptr) {
         /* When the stub object dies, you need to delete the corresponding busName information */
         IPCObjectProxy *saProxy = reinterpret_cast<IPCObjectProxy *>(proxy.GetRefPtr());