FIX auto generate avatar bug

app/helpers/application_helper.rb

@@ -149,7 +149,7 @@ module ApplicationHelper
         File.join("images/avatars", ["#{source.class}", "#{source.id}"]) + "?t=#{ctime}"
       end
     elsif source.class.to_s == 'User'
-      source.letter_avatar_url
+      source.get_letter_avatar_url
     end
   end
 

app/models/user/avatar.rb

@@ -1,18 +1,23 @@
 require 'letter_avatar/has_avatar'
+require 'chinese_pinyin'
 
 class User
   module Avatar
     extend ActiveSupport::Concern
     include LetterAvatar::HasAvatar
 
-    def name
-      lastname.blank? ? login : Pinyin.t(lastname)
+    def username
+      self.lastname.blank? ? self.login :  Pinyin.t(self.lastname)
     end
 
-    def letter_avatar_url(size = :lg)
-      avatar_url(avatar_size(size))
+    def get_letter_avatar_url(size = :lg)
+      avatar_path(size).split('public/')&.last
     end
 
+    def avatar_path(size)
+      LetterAvatar.generate self.username, avatar_size(size)
+    end
+    
     # 返回头像尺寸
     # xs: 22px
     # sm: 32px

config/initializers/letter_avatar.rb

@@ -3,5 +3,5 @@ LetterAvatar.setup do |config|
   config.cache_base_path   = 'public/system/lets'     # default is 'public/system'
   config.colors_palette    = :iwanthue                # default is :google
   config.annotate_position = '-0+10'                  # default is -0+5
-  config.letters_count     = 2                        # default is 1
+  # config.letters_count     = 2                        # default is 1
 end