private boolean dataIdNotExist(final String pluginDataId) {
        return Objects.isNull(apolloClient.getItemValue(pluginDataId));
    }
Data id not exist boolean.

@param pluginDataId the plugin data id
@return the boolean
shenyu-admin-listener/shenyu-admin-listener-apollo/src/main/java/org/apache/shenyu/admin/listener/apollo/ApolloDataChangedInit.java