@PutMapping("/id/{id}")
    public ShenyuAdminResult updateTagRelation(@PathVariable("id") @Valid final String id,
                                       @Valid @RequestBody final TagRelationDTO tagRelationDTO) {
        tagRelationDTO.setId(id);
        Integer updateCount = tagRelationService.update(tagRelationDTO);
        return ShenyuAdminResult.success(ShenyuResultMessage.UPDATE_SUCCESS, updateCount);
    }
update tag relation.

@param id    primary key.
@param tagRelationDTO tagRelationDTO.
@return {@linkplain ShenyuAdminResult}
shenyu-admin/src/main/java/org/apache/shenyu/admin/controller/TagRelationController.java