增加群发短信功能

db/migrate/20210816114688_create_group_message_relateds.rb

@@ -3,14 +3,14 @@ class CreateGroupMessageRelateds < ActiveRecord::Migration
   def up
 
     create_table :depart_records_group_messages do |t|
-      t.integer :message_group_id
+      t.integer :group_message_id
       t.integer :depart_record_id
     end
 
 
     add_index :depart_records_group_messages,
-              [:message_group_id, :depart_record_id],
-              :name => "idx_message_group_id"
+              [:group_message_id, :depart_record_id],
+              :name => "idx_group_message_id"
   end
 
   def down