diff --git a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
index bf51a66..8e114cc 100644
--- a/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
+++ b/frameworks/inputmethod_ability/src/input_method_core_stub.cpp
@@ -76,6 +76,7 @@ namespace MiscServices {
                     IMSA_HILOGI("InputMethodCoreStub::OnRemoteRequest START_INPUT inputDataChannel is nulltpr");
                 }
                 startInput(inputDataChannel, *editorAttribute, supportPhysicalKbd);
+                delete editorAttribute;
                 reply.WriteNoException();
                 break;
             }
@@ -99,6 +100,7 @@ namespace MiscServices {
             case SET_KEYBOARD_TYPE: {
                 KeyboardType *type = data.ReadParcelable<KeyboardType>();
                 setKeyboardType(*type);
+                delete type;
                 reply.WriteNoException();
                 break;
             }
diff --git a/frameworks/inputmethod_controller/src/input_method_controller.cpp b/frameworks/inputmethod_controller/src/input_method_controller.cpp
index b5a5433..5aac6ce 100644
--- a/frameworks/inputmethod_controller/src/input_method_controller.cpp
+++ b/frameworks/inputmethod_controller/src/input_method_controller.cpp
@@ -253,4 +253,4 @@ using namespace MessageID;
         InputMethodController::GetInstance()->OnRemoteSaDied(object);
     }
 }
-}
\ No newline at end of file
+}
diff --git a/services/src/peruser_session.cpp b/services/src/peruser_session.cpp
index cdcebe4..ea6a6af 100644
--- a/services/src/peruser_session.cpp
+++ b/services/src/peruser_session.cpp
@@ -1217,6 +1217,7 @@ namespace MiscServices {
         }
 
         int ret = AddClient(pid, uid, displayId, client, channel, *attribute);
+        delete attribute;
         if (ret != ErrorCode::NO_ERROR) {
             IMSA_HILOGE("PerUserSession::OnPrepareInput Aborted! %{public}s", ErrorCode::ToString(ret));
             return;