fixed utf8mb4字符索引处理

db/migrate/20240408010213_create_action_node_selects.rb

@@ -11,7 +11,7 @@ class CreateActionNodeSelects < ActiveRecord::Migration[5.2]
       t.integer :use_count, default: 0
       t.references :user
       t.timestamps
-      t.index :name
+      t.index :name, length: 191
     end
   end
 end