更改

config/routes.rb

@@ -451,7 +451,7 @@ Rails.application.routes.draw do
 
     namespace :traces do 
       resources :trace_users, only: [:create]
-      scope "/:owner/:repo", constraints: { repo: /[^\/|.json]+/ }  do 
+      scope "/:owner/:repo", constraints: { repo: /[^\/]+/ }  do 
         resource :projects, path: '/', only: [:index] do
           member do 
             post :tasks
@@ -464,7 +464,7 @@ Rails.application.routes.draw do
     end
 
     # Project Area START
-    scope "/:owner/:repo",constraints: { repo: /[^\/|.json]+/ }  do
+    scope "/:owner/:repo",constraints: { repo: /[^\/]+/ }  do
       scope do
         get(
           '/activity',

config/routes/api.rb

@@ -18,7 +18,7 @@ defaults format: :json do
           resources :feedbacks, only: [:create]
         end
 
-        scope ':repo', constraints: { repo: /[^\/|.json]+/ }  do 
+        scope ':repo', constraints: { repo: /[^\/]+/ }  do 
           # projects
           resource :projects, path: '/', only: [:show, :update, :edit, :destroy] do 
             collection do