trainings: fix

app/controllers/trainings_controller.rb

@@ -38,6 +38,12 @@ class TrainingsController < ApplicationController
 
   def enroll
     @training = current_training || Training.new
+
+    if @training && @training.pay?
+      redirect_to result_training_path(id: @tag_id)
+      return
+    end
+
     Rails.logger.info("##########training_type:#{@training_type}")
     @training_title = @training_type == 3 ? "信息技术新工科产学研联盟师资培训班" : "工程教育认证"
     Rails.logger.info("##########training_title:#{@training_title}")