修改is_private

app/controllers/issues_controller.rb

@@ -147,7 +147,7 @@ class IssuesController < ApplicationController
       issue_params = {
         subject: params[:subject],
         description: params[:description],
-        is_private: params[:is_private],
+        is_private: params[:is_private] || false,
         assigned_to_id: params[:assigned_to_id],
         tracker_id: params[:tracker_id],
         status_id: params[:status_id],
@@ -204,7 +204,7 @@ class IssuesController < ApplicationController
     issue_params = {
       subject: params[:subject],
       description: params[:description],
-      is_private: params[:is_private],
+      is_private: params[:is_private] || false,
       assigned_to_id: params[:assigned_to_id],
       tracker_id: params[:tracker_id],
       status_id: params[:status_id],