Fix ActionController::Parameters in API issue

app/controllers/api/v1/follows_controller.rb

@@ -7,7 +7,7 @@ class Api::V1::FollowsController < ApiController
   respond_to :json
 
   def create
-    raise ActiveRecord::RecordNotFound if params[:uri].blank?
+    raise ActiveRecord::RecordNotFound if follow_params[:uri].blank?
 
     @account = FollowService.new.call(current_user.account, target_uri).try(:target_account)
     render action: :show
@@ -16,6 +16,10 @@ class Api::V1::FollowsController < ApiController
   private
 
   def target_uri
-    params[:uri].strip.gsub(/\A@/, '')
+    follow_params[:uri].strip.gsub(/\A@/, '')
+  end
+
+  def follow_params
+    params.permit(:uri)
   end
 end