fix: add patch method for update (egg#1793)

lib/utils/router.js

@@ -38,7 +38,7 @@ const REST_MAP = {
     member: true,
     namePrefix: '',
     suffix: ':id',
-    method: 'PUT',
+    method: 'PATCH',
   },
   destroy: {
     member: true,
@@ -121,7 +121,7 @@ class Router extends KoaRouter {
    * GET    | /posts/:id      | post           | app.controller.posts.show
    * GET    | /posts/:id/edit | edit_post      | app.controller.posts.edit
    * POST   | /posts          | posts          | app.controller.posts.create
-   * PUT    | /posts/:id      | post           | app.controller.posts.update
+   * PATCH  | /posts/:id      | post           | app.controller.posts.update
    * DELETE | /posts/:id      | post           | app.controller.posts.destroy
    *
    * app.router.url can generate url based on arguments

test/utils/router.test.js

@@ -50,9 +50,9 @@ describe('test/utils/router.test.js', () => {
           .expect('edit - 123');
       });
 
-      it('should PUT /posts/:id', () => {
+      it('should PATCH /posts/:id', () => {
         return request(app.callback())
-          .put('/posts/123')
+          .patch('/posts/123')
           .expect(200)
           .expect('update - 123');
       });