From 3d8c3ed9383547c14fac4ea5609325b0fbc69d3e Mon Sep 17 00:00:00 2001
From: daiao <358551898@qq.com>
Date: Mon, 24 Jun 2019 16:23:35 +0800
Subject: [PATCH] =?UTF-8?q?=E8=83=8C=E6=99=AF=E7=9F=A5=E8=AF=86?=
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---
 app/controllers/shixuns_controller.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/controllers/shixuns_controller.rb b/app/controllers/shixuns_controller.rb
index 8359b14f9..a809e8d2b 100644
--- a/app/controllers/shixuns_controller.rb
+++ b/app/controllers/shixuns_controller.rb
@@ -409,7 +409,7 @@ class ShixunsController < ApplicationController
 	end
 
 	def propaedeutics
-		@content = Shixun.where(identifier: params[:identifier]).pluck(:propaedeutics)
+		@content = Shixun.find_by_identifier!(params[:identifier]).propaedeutics
 	end
 
 	# 更新背景知识