diff --git a/bundle.json b/bundle.json
index a4dd889..ab96f72 100755
--- a/bundle.json
+++ b/bundle.json
@@ -88,7 +88,8 @@
                 "//foundation/distributedhardware/distributed_input/services/sink/sinkmanager/test:test",
                 "//foundation/distributedhardware/distributed_input/utils/test:test",
                 "//foundation/distributedhardware/distributed_input/dfx_utils/test:test",
-                "//foundation/distributedhardware/distributed_input/interfaces/ipc/test:test"
+                "//foundation/distributedhardware/distributed_input/interfaces/ipc/test:test",
+                "//foundation/distributedhardware/distributed_input/inputdevicehandler/test:test"
             ]
         }
     }
diff --git a/dfx_utils/test/dfxtest/BUILD.gn b/dfx_utils/test/dfxtest/BUILD.gn
index 2a831e9..b1f25f0 100644
--- a/dfx_utils/test/dfxtest/BUILD.gn
+++ b/dfx_utils/test/dfxtest/BUILD.gn
@@ -45,6 +45,7 @@ ohos_unittest("distributed_input_dfx_test") {
 
   sources = [
     "${dfx_utils_path}/src/hidumper.cpp",
+    "${dfx_utils_path}/src/hisysevent_util.cpp",
     "distributed_input_dfx_test.cpp",
   ]
 
diff --git a/dfx_utils/test/dfxtest/distributed_input_dfx_test.cpp b/dfx_utils/test/dfxtest/distributed_input_dfx_test.cpp
index b7c41e3..a218f4d 100644
--- a/dfx_utils/test/dfxtest/distributed_input_dfx_test.cpp
+++ b/dfx_utils/test/dfxtest/distributed_input_dfx_test.cpp
@@ -19,6 +19,7 @@
 
 #include "dinput_errcode.h"
 #include "hidumper.h"
+#include "hisysevent_util.h"
 
 namespace OHOS {
 namespace DistributedHardware {
@@ -77,14 +78,22 @@ HWTEST_F(DInputDfxUtilsTest, GetAllNodeInfos_001, testing::ext::TestSize.Level1)
     std::string dhId = "1ds56v18e1v21v8v1erv15r1v8r1j1ty8";
     std::string nodeName = "DistributedInput_123456";
     HiDumper::GetInstance().SaveNodeInfo(devId, nodeName, dhId);
-    EXPECT_EQ(1, HiDumper::GetInstance().nodeInfos_.size());
+    std::string dhId1 = "dhId1_test";
+    HiDumper::GetInstance().SaveNodeInfo(devId, nodeName, dhId1);
+    EXPECT_EQ(2, HiDumper::GetInstance().nodeInfos_.size());
 
     std::string result = "";
     int32_t ret = HiDumper::GetInstance().GetAllNodeInfos(result);
     EXPECT_EQ(DH_SUCCESS, ret);
 
+    HiDumper::GetInstance().DeleteNodeInfo(devId, dhId1);
     HiDumper::GetInstance().DeleteNodeInfo(devId, dhId);
     EXPECT_EQ(0, HiDumper::GetInstance().nodeInfos_.size());
+    std::string status = "status_ok";
+    std::string msg = "msg_test";
+    HisyseventUtil::GetInstance().SysEventWriteBehavior(status, msg);
+    HisyseventUtil::GetInstance().SysEventWriteBehavior(status, devId, msg);
+    HisyseventUtil::GetInstance().SysEventWriteBehavior(status, devId, dhId, msg);
 }
 
 HWTEST_F(DInputDfxUtilsTest, GetSessionInfo_001, testing::ext::TestSize.Level1)
@@ -100,7 +109,12 @@ HWTEST_F(DInputDfxUtilsTest, GetSessionInfo_001, testing::ext::TestSize.Level1)
     EXPECT_EQ(1, HiDumper::GetInstance().sessionInfos_.size());
 
     sessionStatus = SessionStatus::CLOSED;
+    HiDumper::GetInstance().CreateSessionInfo(remoteDevId, sessionId, mySessionName, peerSessionName, sessionStatus);
+    EXPECT_EQ(1, HiDumper::GetInstance().sessionInfos_.size());
+
+    sessionStatus = SessionStatus::CLOSING;
     HiDumper::GetInstance().SetSessionStatus(remoteDevId1, sessionStatus);
+    HiDumper::GetInstance().SetSessionStatus(remoteDevId, sessionStatus);
 
 
     HiDumper::GetInstance().DeleteSessionInfo(remoteDevId);
@@ -110,6 +124,13 @@ HWTEST_F(DInputDfxUtilsTest, GetSessionInfo_001, testing::ext::TestSize.Level1)
 
     int32_t ret = HiDumper::GetInstance().GetSessionInfo(result);
     EXPECT_EQ(DH_SUCCESS, ret);
+    std::string status = "status_ok";
+    std::string msg = "msg_test";
+    int32_t errorCode = 1;
+    std::string dhId = "1ds56v18e1v21v8v1erv15r1v8r1j1ty8";
+    HisyseventUtil::GetInstance().SysEventWriteFault(status, msg);
+    HisyseventUtil::GetInstance().SysEventWriteFault(status, remoteDevId, errorCode, msg);
+    HisyseventUtil::GetInstance().SysEventWriteFault(status, remoteDevId, dhId, errorCode, msg);
 }
 } // namespace DistributedInput
 } // namespace DistributedHardware
diff --git a/inputdevicehandler/test/BUILD.gn b/inputdevicehandler/test/BUILD.gn
new file mode 100644
index 0000000..8fb7623
--- /dev/null
+++ b/inputdevicehandler/test/BUILD.gn
@@ -0,0 +1,18 @@
+# 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.
+
+group("test") {
+  testonly = true
+
+  deps = [ "inputhandlertest:inputhandlertest" ]
+}
\ No newline at end of file
diff --git a/inputdevicehandler/test/inputhandlertest/BUILD.gn b/inputdevicehandler/test/inputhandlertest/BUILD.gn
new file mode 100644
index 0000000..cb9955d
--- /dev/null
+++ b/inputdevicehandler/test/inputhandlertest/BUILD.gn
@@ -0,0 +1,82 @@
+# 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.
+
+import("//build/test.gni")
+import(
+    "//foundation/distributedhardware/distributed_input/distributedinput.gni")
+module_out_path = "distributed_input/input_handler"
+
+group("inputhandlertest") {
+  testonly = true
+
+  deps = [ ":distributed_input_handler_test" ]
+}
+
+## HandlerTest distributed_input_handler_test {{{
+ohos_unittest("distributed_input_handler_test") {
+  module_out_path = module_out_path
+
+  include_dirs = [
+    "${common_path}/include",
+    "//commonlibrary/c_utils/base/include",
+    "//utils/system/safwk/native/include",
+    "${fwk_common_path}/log/include",
+    "${fwk_common_path}/utils/include",
+    "${fwk_utils_path}/include/log",
+    "${fwk_utils_path}/include",
+    "${service_common}/include",
+    "${frameworks_path}/include",
+    "${utils_path}/include",
+    "//third_party/json/include",
+    "${fwk_interfaces_path}/include",
+    "${fwk_interfaces_path}/include/ipc",
+    "//foundation/systemabilitymgr/safwk/interfaces/innerkits/safwk",
+    "//foundation/communication/ipc/interfaces/innerkits/ipc_core/include",
+    "//foundation/systemabilitymgr/samgr/interfaces/innerkits/samgr_proxy/include",
+    "//foundation/distributedhardware/distributed_input/inputdevicehandler/include",
+  ]
+
+  sources = [
+    "${common_path}/include/input_hub.cpp",
+    "//foundation/distributedhardware/distributed_input/inputdevicehandler/src/distributed_input_handler.cpp",
+    "distributed_input_handler_test.cpp",
+  ]
+
+  cflags = [
+    "-Wall",
+    "-Werror",
+    "-g3",
+    "-Dprivate=public",
+    "-Dprotected=public",
+  ]
+
+  defines = [
+    "HI_LOG_ENABLE",
+    "DH_LOG_TAG=\"distributedinpututtest\"",
+    "LOG_DOMAIN=0xD004100",
+  ]
+
+  deps = [
+    "${fwk_utils_path}:distributedhardwareutils",
+    "${utils_path}:libdinput_utils",
+    "//third_party/openssl:libcrypto_static",
+  ]
+
+  external_deps = [
+    "c_utils:utils",
+    "dsoftbus:softbus_client",
+  ]
+
+  cflags_cc = [ "-DHILOG_ENABLE" ]
+}
+## UnitTest distributed_input_handler_test }}}
\ No newline at end of file
diff --git a/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.cpp b/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.cpp
new file mode 100644
index 0000000..979a5cd
--- /dev/null
+++ b/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.cpp
@@ -0,0 +1,84 @@
+/*
+ * 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.
+ */
+
+#include "distributed_input_handler_test.h"
+
+#include "system_ability_definition.h"
+
+#include "dinput_errcode.h"
+#include "distributed_input_handler.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+namespace DistributedInput {
+void DInputHandlerTest::SetUp()
+{
+}
+
+void DInputHandlerTest::TearDown()
+{
+}
+
+void DInputHandlerTest::SetUpTestCase()
+{
+}
+
+void DInputHandlerTest::TearDownTestCase()
+{
+}
+
+HWTEST_F(DInputHandlerTest, QueryExtraInfo_001, testing::ext::TestSize.Level1)
+{
+    DistributedInputHandler dInputHandler;
+    uint32_t inputTypes = static_cast<uint32_t>(DInputDeviceType::ALL);
+    std::map<int32_t, std::string> datas;
+    std::vector<std::string> dhidsVec;
+    dInputHandler.FindDevicesInfoByType(inputTypes, datas);
+    dInputHandler.FindDevicesInfoByDhId(dhidsVec, datas);
+    std::map<std::string, std::string> ret = dInputHandler.QueryExtraInfo();
+    EXPECT_EQ(0, ret.size());
+}
+
+HWTEST_F(DInputHandlerTest, FindDevicesInfoByType_001, testing::ext::TestSize.Level1)
+{
+    DistributedInputHandler dInputHandler;
+    dInputHandler.inputHub_ = nullptr;
+    uint32_t inputTypes = static_cast<uint32_t>(DInputDeviceType::ALL);
+    std::map<int32_t, std::string> datas;
+    std::vector<std::string> dhidsVec;
+    std::string deviceId = "deviceId_test";
+    dInputHandler.FindDevicesInfoByType(inputTypes, datas);
+    dInputHandler.FindDevicesInfoByDhId(dhidsVec, datas);
+    dInputHandler.Query();
+    dInputHandler.StartInputMonitorDeviceThread(deviceId);
+
+    InputDevice inputDevice;
+    dInputHandler.mEventBuffer[0].type = DeviceType::DEVICE_ADDED;
+    dInputHandler.mEventBuffer[0].deviceInfo = inputDevice;
+    dInputHandler.NotifyHardWare(0);
+    dInputHandler.mEventBuffer[1].type = DeviceType::DEVICE_REMOVED;
+    dInputHandler.mEventBuffer[1].deviceInfo = inputDevice;
+    dInputHandler.NotifyHardWare(1);
+    dInputHandler.mEventBuffer[2].type = DeviceType::FINISHED_DEVICE_SCAN;
+    dInputHandler.mEventBuffer[2].deviceInfo = inputDevice;
+    dInputHandler.NotifyHardWare(2);
+    std::map<std::string, std::string> ret = dInputHandler.QueryExtraInfo();
+    EXPECT_EQ(0, ret.size());
+    dInputHandler.inputHub_ = std::make_unique<InputHub>();
+    dInputHandler.StartInputMonitorDeviceThread(deviceId);
+}
+} // namespace DistributedInput
+} // namespace DistributedHardware
+} // namespace OHOS
\ No newline at end of file
diff --git a/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.h b/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.h
new file mode 100644
index 0000000..972e03b
--- /dev/null
+++ b/inputdevicehandler/test/inputhandlertest/distributed_input_handler_test.h
@@ -0,0 +1,45 @@
+/*
+ * 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 DISRIBUTED_INPUT_HANDLER_TEST_H
+#define DISRIBUTED_INPUT_HANDLER_TEST_H
+
+#include <functional>
+#include <iostream>
+#include <refbase.h>
+#include <thread>
+
+#include <gtest/gtest.h>
+#include "ipc_skeleton.h"
+#include "iservice_registry.h"
+#include "system_ability_definition.h"
+
+#include "constants_dinput.h"
+
+namespace OHOS {
+namespace DistributedHardware {
+namespace DistributedInput {
+class DInputHandlerTest : public testing::Test {
+public:
+    static void SetUpTestCase();
+    static void TearDownTestCase();
+    void SetUp() override;
+    void TearDown() override;
+};
+} // namespace DistributedInput
+} // namespace DistributedHardware
+} // namespace OHOS
+
+#endif // DISRIBUTED_INPUT_HANDLER_TEST_H
\ No newline at end of file
diff --git a/services/sink/inputcollector/test/sinkcollectorunittest/distributed_input_collector_test.cpp b/services/sink/inputcollector/test/sinkcollectorunittest/distributed_input_collector_test.cpp
index 3e72272..6568284 100644
--- a/services/sink/inputcollector/test/sinkcollectorunittest/distributed_input_collector_test.cpp
+++ b/services/sink/inputcollector/test/sinkcollectorunittest/distributed_input_collector_test.cpp
@@ -100,8 +100,17 @@ HWTEST_F(DistributedInputCollectorTest, SetSharingTypes01, testing::ext::TestSiz
     DistributedInputCollector::GetInstance().inputHub_ = std::make_unique<InputHub>();
     bool enabled = true;
     uint32_t inputType = static_cast<uint32_t>(DInputDeviceType::ALL);
+
     AffectDhIds ret = DistributedInputCollector::GetInstance().SetSharingTypes(enabled, inputType);
     EXPECT_EQ(0, ret.sharingDhIds.size());
+    std::vector<std::string> sharingDhIds;
+    sharingDhIds.push_back("sharingDhId_test");
+    std::vector<std::string> noSharingDhIds;
+    noSharingDhIds.push_back("noSharingDhId_test");
+    AffectDhIds affectDhIds {sharingDhIds, noSharingDhIds};
+    DistributedInputCollector::GetInstance().ReportDhIdSharingState(affectDhIds);
+    DistributedInputCollector::GetInstance().sharingDhIdListeners_.clear();
+    DistributedInputCollector::GetInstance().ReportDhIdSharingState(affectDhIds);
 }
 } // namespace DistributedInput
 } // namespace DistributedHardware