diff --git a/api/courseTable/courseTable.py b/api/courseTable/courseTable.py
new file mode 100644
index 0000000..b27acbb
--- /dev/null
+++ b/api/courseTable/courseTable.py
@@ -0,0 +1,134 @@
+'''
+{
+    'link': 'https://ccweb.ncnu.edu.tw/student/aspmaker_course_opened_detail_viewview.php?showmaster=aspmaker_course_opened_semester_stat_view&fk_year=1092&fk_deptid=00&year=1092&courseid=000008&_class=0', 
+    'year': '1092', 
+    'number': '000008', 
+    'class': '0', 
+    'name': '自我覺察與專業成長', 
+    'department': '00, 諮人系', 
+    'graduated': '學士班', 
+    'grade': '1', 
+    'teacher': '蔡毅樺', 
+    'place': 'A104+B104專業教室', 
+    'time': '4efg'
+}
+
+'''
+import requests
+import json
+
+
+
+def getTime(time):
+    number = 0
+    ans = []
+    for c in time:
+        if c <= '9' and c >= '0':
+            number = c
+        else:
+            ans.append(str(number)+c)
+    return ans
+
+class CourseTable():
+    def __init__(self):
+        '''
+            初始化課表
+            取得課堂資料
+        '''
+        self.table = {}
+        for i in range(1, 6):
+            for j in "abcdzefghijklm":
+                self.table[str(i)+j] = None
+                
+        self.courseData = json.loads(
+            requests.get('https://raw.githubusercontent.com/snsd0805/NCNU_Course/master/%E6%AD%B7%E5%B9%B4%E8%AA%B2%E7%A8%8B%E8%B3%87%E6%96%99/1092_output.json').text
+        )
+        
+    
+    def showTableStatus(self):
+        '''
+            For debug
+        '''
+        for j in "abcdzefghijklm":
+            for i in range(1, 6):
+                if self.table[str(i)+j] != None:
+                    print("{} ".format(1), end='')
+                else:
+                    print("{} ".format(0), end='')
+            print()
+    
+    def add(self, courseID):
+        '''
+            使用 course ID 新增課程到課表
+            若課程時間不符或者該時間已經有了則新增失敗
+        '''
+        for course in self.courseData:
+            if course['number'] == courseID:
+                targetCourse = course
+        
+        timeList = getTime(targetCourse['time'])
+        
+        if self.conflict(targetCourse):
+            for time in timeList:
+                self.table[time] = targetCourse
+            return True
+        else:
+            return False
+    
+    def remove(self, courseID):
+        '''
+            移除課程
+        '''
+        for key, value in self.table.items():
+            if value['number'] == courseID:
+                self.table[key] = None
+    
+    def getDepartmentList(self):
+        ans = set()
+        for course in self.courseData:
+            ans.add(
+                course['department']
+            )
+        ans = [i for i in ans]
+        ans.sort()
+        
+        return ans
+    
+    def conflict(self, course):
+        timeList = getTime(course['time'])
+        status = True
+        for time in timeList:
+            if time in self.table:
+                if self.table[time] != None:
+                    status = False
+                    break
+            else:
+                status = False
+        
+        return status
+    
+    def filter(self, department):
+        ans = []
+        for course in self.courseData:
+            if course['department'] == department:
+                if self.conflict(course):
+                    ans.append(course)
+        return ans
+
+table = CourseTable()
+table.showTableStatus()
+print( table.add('240034') )
+table.showTableStatus()
+print( table.add('240057') )
+table.showTableStatus()
+print( table.add('240034') )
+table.showTableStatus()
+print( table.add('902048') )
+table.showTableStatus()
+
+departments = table.getDepartmentList()
+print(departments)
+
+courses = table.filter('21, 資工系')
+for course in courses:
+    print(course)
\ No newline at end of file