diff --git a/adapter/uhdf2/hdi/src/iservmgr_client.cpp b/adapter/uhdf2/hdi/src/iservmgr_client.cpp
index 90c53f07d614a56a77a454aa7d75eecb24568661..e8b3fdb95b6b23fb41e96b7eacf2d98e67018fe6 100644
--- a/adapter/uhdf2/hdi/src/iservmgr_client.cpp
+++ b/adapter/uhdf2/hdi/src/iservmgr_client.cpp
@@ -123,6 +123,11 @@ int32_t ServiceManagerProxy::UnregisterServiceStatusListener(::OHOS::sptr<IServS
 
 sptr<IRemoteObject> ServiceManagerProxy::GetService(const char *serviceName)
 {
+    if (nullptr == serviceName) {
+        HDF_LOGE("serviceName is nullptr");
+        return nullptr;
+    }
+
     MessageParcel data;
     MessageParcel reply;
     if (!data.WriteInterfaceToken(GetDescriptor()) || !data.WriteCString(serviceName)) {