diff --git a/interfaces/inner_kits/test/unittest/distributed_input_inner_test.cpp b/interfaces/inner_kits/test/unittest/distributed_input_inner_test.cpp
index 52a8808..a99ab13 100644
--- a/interfaces/inner_kits/test/unittest/distributed_input_inner_test.cpp
+++ b/interfaces/inner_kits/test/unittest/distributed_input_inner_test.cpp
@@ -51,7 +51,6 @@ void DistributedInputInnerTest::TestPrepareDInputCallback::OnResult(
 
 void DistributedInputInnerTest::TestUnprepareDInputCallback::OnResult(
     const std::string& deviceId, const int32_t& status)
-
 {
     (void)deviceId;
     (void)status;
@@ -60,14 +59,15 @@ void DistributedInputInnerTest::TestUnprepareDInputCallback::OnResult(
 
 void DistributedInputInnerTest::TestStartDInputCallback::OnResult(
     const std::string& deviceId, const uint32_t& inputTypes, const int32_t& status)
-
 {
+    (void)deviceId;
+    (void)inputTypes;
+    (void)status;
     return;
 }
 
 void DistributedInputInnerTest::TestStopDInputCallback::OnResult(
     const std::string& deviceId, const uint32_t& inputTypes, const int32_t& status)
-
 {
     return;
 }
diff --git a/services/sink/sinkmanager/test/sinkmanagerunittest/distributed_input_sinkmanager_test.cpp b/services/sink/sinkmanager/test/sinkmanagerunittest/distributed_input_sinkmanager_test.cpp
index dd4715c..00b5872 100644
--- a/services/sink/sinkmanager/test/sinkmanagerunittest/distributed_input_sinkmanager_test.cpp
+++ b/services/sink/sinkmanager/test/sinkmanagerunittest/distributed_input_sinkmanager_test.cpp
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 #include "distributed_input_sinkmanager_test.h"
 
 #include "if_system_ability_manager.h"
diff --git a/test/fuzztest/distributedinputkit_fuzzer/distributed_input_kit_fuzzer.cpp b/test/fuzztest/distributedinputkit_fuzzer/distributed_input_kit_fuzzer.cpp
index 88791ce..20f899e 100644
--- a/test/fuzztest/distributedinputkit_fuzzer/distributed_input_kit_fuzzer.cpp
+++ b/test/fuzztest/distributedinputkit_fuzzer/distributed_input_kit_fuzzer.cpp
@@ -42,7 +42,7 @@ public OHOS::DistributedHardware::DistributedInput::PrepareDInputCallbackStub {
 public:
     TestPrepareDInputCallback() = default;
     virtual ~TestPrepareDInputCallback() = default;
-    void OnResult(const std::string& deviceId, const int32_t& status) const
+    void OnResult(const std::string& deviceId, const int32_t& status)
     {
         (void)deviceId;
         (void)status;
@@ -54,7 +54,7 @@ public OHOS::DistributedHardware::DistributedInput::UnprepareDInputCallbackStub
 public:
     TestUnprepareDInputCallback() = default;
     virtual ~TestUnprepareDInputCallback() = default;
-    void OnResult(const std::string& deviceId, const int32_t& status) const
+    void OnResult(const std::string& deviceId, const int32_t& status)
     {
         (void)deviceId;
         (void)status;
@@ -64,7 +64,7 @@ public:
 class TestStartDInputCallback :
 public OHOS::DistributedHardware::DistributedInput::StartDInputCallbackStub {
 public:
-    void OnResult(const std::string& devId, const uint32_t& inputTypes, const int32_t& status) const
+    void OnResult(const std::string& devId, const uint32_t& inputTypes, const int32_t& status)
     {
         (void)devId;
         (void)inputTypes;
@@ -77,7 +77,7 @@ public OHOS::DistributedHardware::DistributedInput::StopDInputCallbackStub {
 public:
     TestStopDInputCallback() = default;
     virtual ~TestStopDInputCallback() = default;
-    void OnResult(const std::string& devId, const uint32_t& inputTypes, const int32_t& status) const
+    void OnResult(const std::string& devId, const uint32_t& inputTypes, const int32_t& status)
     {
         (void)devId;
         (void)inputTypes;