diff --git a/config/initializers/cors.rb b/config/initializers/cors.rb
index fd8e1a3f5..e673c5386 100644
--- a/config/initializers/cors.rb
+++ b/config/initializers/cors.rb
@@ -18,13 +18,13 @@
 Rails.application.config.middleware.insert_before 0, Rack::Cors do
   allow do
     origins "https://explorer.nervos.org",
-      "https://explorer-testnet.nervos.org",
-      "https://aggron.explorer.nervos.org",
-      "https://pudge.explorer.nervos.org",
-      "https://staging.explorer.nervos.org",
-      /\Ahttps:\/\/ckb-explorer-.*-magickbase.vercel.app\z/,
-      "http://localhost:3000",
-      (ENV["STAGING_DOMAIN"]).to_s
-    resource "*", headers: :any, methods: [:get, :post, :head, :options]
+            "https://explorer-testnet.nervos.org",
+            "https://aggron.explorer.nervos.org",
+            "https://pudge.explorer.nervos.org",
+            "https://staging.explorer.nervos.org",
+            /\Ahttps:\/\/ckb-explorer-.*-magickbase.vercel.app\z/,
+            "http://localhost:3000",
+            (ENV["STAGING_DOMAIN"]).to_s
+    resource "*", headers: :any, methods: [:get, :post, :put, :head, :options]
   end
 end