diff --git a/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp b/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
index ba952c1..9e24df4 100644
--- a/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
+++ b/frameworks/inputmethod_ability/src/input_method_core_proxy.cpp
@@ -78,6 +78,7 @@ namespace MiscServices {
         sptr<IRemoteObject> channelObject = inputControlChannel->AsObject();
         if (channelObject == nullptr) {
             IMSA_HILOGI("InputMethodCoreProxy::InitInputControlChannel channelObject is nullptr");
+            return ErrorCode::ERROR_EX_NULL_POINTER;
         }
         data.WriteRemoteObject(channelObject);
         MessageOption option {