From a90e71fd834fa29f550481b07116833ab816ed50 Mon Sep 17 00:00:00 2001
From: Ron <enrongf@126.com>
Date: Thu, 22 Apr 2021 09:22:49 +0800
Subject: [PATCH] =?UTF-8?q?Update=2042.=E6=B7=B1=E5=85=A5=E6=A8=A1?=
 =?UTF-8?q?=E5=9E=8B.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Day41-55/42.深入模型.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Day41-55/42.深入模型.md b/Day41-55/42.深入模型.md
index dc9b86b..4db909a 100644
--- a/Day41-55/42.深入模型.md
+++ b/Day41-55/42.深入模型.md
@@ -376,6 +376,8 @@ Teacher.objects.filter(subject__name__contains='全栈')
     
     
     def show_teachers(request):
+        try:
+            # 测试的时候要传参数‘sno’，如‘http://localhost:8000/teachers/?sno=1’
         try:
             sno = int(request.GET.get('sno'))
             teachers = []