diff --git a/lib/__pycache__/db.cpython-37.pyc b/lib/__pycache__/db.cpython-37.pyc
deleted file mode 100644
index 9b5319b..0000000
Binary files a/lib/__pycache__/db.cpython-37.pyc and /dev/null differ
diff --git a/lib/__pycache__/photoUpload.cpython-37.pyc b/lib/__pycache__/photoUpload.cpython-37.pyc
deleted file mode 100644
index d30183c..0000000
Binary files a/lib/__pycache__/photoUpload.cpython-37.pyc and /dev/null differ
diff --git a/lib/crawler.py b/lib/crawler.py
index ac4058f..fc7000a 100644
--- a/lib/crawler.py
+++ b/lib/crawler.py
@@ -86,7 +86,7 @@ def getGrade(Ip, S):
         #如果和上一个课程重名
         if item['LessonInfo']['KCMC'] == last_lesson_name:
             #判断是否通过
-            if item['YXCJ'] && item['YXCJ'] >= 60:
+            if item['YXCJ'] >= 60:
                 #如果通过贡献1通过
                 last_lesson_kill += 1
                 #贡献总学分绩点
@@ -122,7 +122,7 @@ def getGrade(Ip, S):
                 last_term_kill, last_term_dead, last_term_credit = 0, 0, item['XF']
                 last_term_grade_list = []
                 #如果通过
-                if item['YXCJ'] && item['YXCJ'] >= 60:
+                if item['YXCJ'] >= 60:
                     #贡献总学分绩点
                     last_term_c_x_g = item['XF'] * (item['YXCJ'] - 50) / 10
                     #贡献通过次数
@@ -133,7 +133,7 @@ def getGrade(Ip, S):
                 #贡献总学分
                 last_term_credit += item['XF']
                 #如果通过
-                if item['YXCJ'] && item['YXCJ'] >= 60:
+                if item['YXCJ'] >= 60:
                     #贡献通过数
                     last_lesson_kill += 1
                     #贡献学分绩点
@@ -143,7 +143,7 @@ def getGrade(Ip, S):
             'title': item['LessonInfo']['KCMC'],
             'credit': item['XF'],
             'grade': item['ShowYXCJ'],
-            'kill': 'yes' if (item['YXCJ'] && item['YXCJ'] >= 60) else 'no',
+            'kill': 'yes' if (item['YXCJ'] >= 60) else 'no',
             'class': item['KSXZ']
         })
     #补充最后一次遍历的数据