fixed 用户简介支持表情

db/migrate/20221207128751_update_user_super.rb

@@ -0,0 +1,5 @@
+class UpdateUserSuper < ActiveRecord::Migration[5.2]
+  def change
+    execute("ALTER TABLE `user_extensions` MODIFY `super_description` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;")
+  end
+end