fixed EduSetting值1位时太短异常处理

app/models/edu_setting.rb

@@ -25,9 +25,13 @@ class EduSetting < ApplicationRecord
   end
 
   def self.get(key)
+    begin
       Rails.cache.fetch(value_cache_key(key), expires_in: 1.days) do
         find_by_name(key.to_s)&.value
       end
+    rescue Exception => e
+      find_by_name(key.to_s)&.value
+    end
   end
 
   def self.value_cache_key(name)