public static String buildAppAuthPath(final String namespaceId, final String appKey) {
        return handlePathData(String.join(PATH_SEPARATOR, PATH_SEPARATOR + namespaceId, APP_AUTH_PARENT, appKey));
    }
acquire app_auth_path.

@param namespaceId namespaceId
@param appKey appKey
@return app_auth_path string
shenyu-common/src/main/java/org/apache/shenyu/common/constant/DefaultPathConstants.java