@GetMapping("/{id}")
    @RequiresPermissions("system:plugin:edit")
    public ShenyuAdminResult detailNamespacePlugin(@Existed(message = "namespace plugin relation is not exist", provider = NamespacePluginRelMapper.class)
                                                   @PathVariable("id") final String id) {
        NamespacePluginVO namespacePluginVO = namespacePluginService.findById(id);
        return ShenyuAdminResult.success(ShenyuResultMessage.DETAIL_SUCCESS, namespacePluginVO);
    }
detail plugin of namespace.

@param id namespace plugin relation id.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/NamespacePluginController.java