diff --git a/db/migrate/20250215084540_convert_country_timezones_to_json.rb b/db/migrate/20250215084540_convert_country_timezones_to_json.rb
index 2fea9f3..f8353c5 100644
--- a/db/migrate/20250215084540_convert_country_timezones_to_json.rb
+++ b/db/migrate/20250215084540_convert_country_timezones_to_json.rb
@@ -13,11 +13,11 @@ class ConvertCountryTimezonesToJson < ActiveRecord::Migration[8.0]
         rescue => e
           puts "Error converting timezones for country #{country.id}: #{e.message}"
           # 设置默认值
-          country.update_column(:timezones_json, [{"zoneName" => "UTC", "gmtOffsetName" => "UTC+00:00"}])
+          country.update_column(:timezones_json, [ { "zoneName" => "UTC", "gmtOffsetName" => "UTC+00:00" } ])
         end
       else
         # 设置默认值
-        country.update_column(:timezones_json, [{"zoneName" => "UTC", "gmtOffsetName" => "UTC+00:00"}])
+        country.update_column(:timezones_json, [ { "zoneName" => "UTC", "gmtOffsetName" => "UTC+00:00" } ])
       end
     end