处理课程选用多个名单，且同一个学生在这几个名单内，未标明课程中间表多个班级的数据。

TEAMModelOS.SDK/Models/Service/ActivityService.cs

@@ -310,51 +310,212 @@ namespace TEAMModelOS.SDK
                 //学生新加入名单的
                 foreach (Member member in groupChange.stujoin)
                 {
-                    var stucourse = new StuCourse
+                    Azure.Response response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(course.id, new PartitionKey($"StuCourse-{member.code.Replace("Base-", "")}-{member.id}"));
+                    if (response.Status == 200)
                     {
-                        id = course.id,
-                        scode = course.code,
-                        name = course.name,
-                        code = $"StuCourse-{member.code.Replace("Base-", "")}-{member.id}",
-                        scope = course.scope,
-                        school = course.school,
-                        creatorId = course.creatorId,
-                        pk = "StuCourse",
-                        stulist = new List<string> { groupChange.listid },
-                        createTime = nowtime
-                    };
-                    try { await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code)); } catch (Exception  ) {
-                        continue;
+                        StuCourse stuCourse = JsonDocument.Parse(response.Content).RootElement.Deserialize<StuCourse>();
+                        stuCourse.name = course.name;
+                        stuCourse.scode = course.code;
+                        stuCourse.name = course.name;
+                        stuCourse.scope = course.scope;
+                        stuCourse.school = course.school;
+                        stuCourse.creatorId = course.creatorId;
+                        if (groupChange.type.Equals("class"))
+                        {
+                            if (stuCourse.classId.IsNotEmpty())
+                            {
+                                if (!stuCourse.classId.Contains(groupChange.listid))
+                                {
+                                    stuCourse.classId.Add(groupChange.listid);
+                                }
+                            }
+                            else
+                            {
+                                stuCourse.classId = new List<string> { groupChange.listid };
+                            }
+
+                        }
+                        else {
+                            if (stuCourse.stulist.IsNotEmpty())
+                            {
+                                if (!stuCourse.stulist.Contains(groupChange.listid))
+                                {
+                                    stuCourse.stulist.Add(groupChange.listid);
+                                }
+                            }
+                            else
+                            {
+                                stuCourse.stulist = new List<string> { groupChange.listid };
+                            }
+                        }
+                        
+                        try
+                        {
+                            await client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stuCourse, stuCourse.id, new PartitionKey(stuCourse.code));
+                        }
+                        catch (Exception)
+                        {
+                            continue;
+                        }
+                    }
+                    else
+                    {
+                        var stucourse = new StuCourse
+                        {
+                            id = course.id,
+                            scode = course.code,
+                            name = course.name,
+                            code = $"StuCourse-{member.code.Replace("Base-", "")}-{member.id}",
+                            scope = course.scope,
+                            school = course.school,
+                            creatorId = course.creatorId,
+                            pk = "StuCourse",
+                            createTime = nowtime
+                        };
+                        if (groupChange.type.Equals("class"))
+                        {
+                            stucourse.classId = new List<string> { groupChange.listid };
+                        }  
+                        else
+                        {
+                            stucourse.stulist = new List<string> { groupChange.listid };
+                        }
+                        try
+                        {
+                            await client.GetContainer(Constant.TEAMModelOS, "Student").CreateItemAsync(stucourse, new PartitionKey(stucourse.code));
+                        }
+                        catch (Exception)
+                        {
+                            continue;
+                        }
                     }
                 }
                 //tmd新加入的
                 foreach (Member member in groupChange.tmdjoin)
                 {
-                    var stucourse = new StuCourse
+                    try
+                    {
+                        Azure.Response response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(course.id, new PartitionKey($"StuCourse-{member.id}"));
+                        if (response.Status == 200)
+                        {
+                            StuCourse stuCourse = JsonDocument.Parse(response.Content).RootElement.Deserialize<StuCourse>();
+                            stuCourse.name = course.name;
+                            stuCourse.scode = course.code;
+                            stuCourse.name = course.name;
+                            stuCourse.scope = course.scope;
+                            stuCourse.school = course.school;
+                            stuCourse.creatorId = course.creatorId;
+                            if (groupChange.type.Equals("class"))
+                            {
+                                if (stuCourse.classId.IsNotEmpty())
+                                {
+                                    if (!stuCourse.classId.Contains(groupChange.listid))
+                                    {
+                                        stuCourse.classId.Add(groupChange.listid);
+                                    }
+                                }
+                                else
+                                {
+                                    stuCourse.classId = new List<string> { groupChange.listid };
+                                }
+
+                            }
+                            else
+                            {
+                                if (stuCourse.stulist.IsNotEmpty())
+                                {
+                                    if (!stuCourse.stulist.Contains(groupChange.listid))
+                                    {
+                                        stuCourse.stulist.Add(groupChange.listid);
+                                    }
+                                }
+                                else
+                                {
+                                    stuCourse.stulist = new List<string> { groupChange.listid };
+                                }
+                            }
+                            await client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stuCourse, stuCourse.id, new PartitionKey(stuCourse.code));
+
+                        }
+                        else
+                        {
+                            var stucourse = new StuCourse
+                            {
+                                id = course.id,
+                                scode = course.code,
+                                name = course.name,
+                                code = $"StuCourse-{member.id}",
+                                scope = course.scope,
+                                school = course.school,
+                                creatorId = course.creatorId,
+                                pk = "StuCourse",
+                                createTime = nowtime
+                            };
+                            if (groupChange.type.Equals("class"))
+                            {
+                                stucourse.classId = new List<string> { groupChange.listid };
+                            }
+                            else
+                            {
+                                stucourse.stulist = new List<string> { groupChange.listid };
+                            }
+                            await client.GetContainer(Constant.TEAMModelOS, "Student").CreateItemAsync(stucourse, new PartitionKey(stucourse.code));
+
+                        }
+                    }
+                    catch (Exception)
                     {
-                        id = course.id,
-                        scode = course.code,
-                        name = course.name,
-                        code = $"StuCourse-{member.id}",
-                        scope = course.scope,
-                        school = course.school,
-                        creatorId = course.creatorId,
-                        pk = "StuCourse",
-                        stulist = new List<string> { groupChange.listid },
-                        createTime = nowtime
-                    };
-                    try { await client.GetContainer(Constant.TEAMModelOS, "Student").UpsertItemAsync(stucourse, new PartitionKey(stucourse.code)); } catch (Exception  ) { continue; }
+                        continue;
+                    }
                 }
                 //移除名单的。 在点击相关的课程，再去二次校验是否存在，不存在则再去删除。
                 foreach (var delStu in groupChange.stuleave)
                 {
-                    await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delStu.code.Replace("Base-", "")}-{delStu.id}"));
+                    try {
+                        Azure.Response response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delStu.code.Replace("Base-", "")}-{delStu.id}"));
+                        if (response.Status == 200)
+                        {
+                            StuCourse stuCourse = JsonDocument.Parse(response.Content).RootElement.Deserialize<StuCourse>();
+                            stuCourse.stulist.Remove(groupChange.listid);
+                            stuCourse.classId.Remove(groupChange.listid);
+                            if (stuCourse.stulist.IsNotEmpty()  || stuCourse.classId.IsNotEmpty())
+                            {
+                                await client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stuCourse, stuCourse.id, new PartitionKey(stuCourse.code));
+                            }
+                            else
+                            {
+                                await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delStu.code.Replace("Base-", "")}-{delStu.id}"));
+                            }
+
+                        }
+                    } catch (Exception) { continue; }
+
                 }
                 foreach (var delTmd in groupChange.tmdleave)
                 {
-                    await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delTmd}"));
+                    try
+                    {
+                        Azure.Response response = await client.GetContainer(Constant.TEAMModelOS, "Student").ReadItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delTmd.id}"));
+                        if (response.Status == 200)
+                        {
+                            StuCourse stuCourse = JsonDocument.Parse(response.Content).RootElement.Deserialize<StuCourse>();
+                            stuCourse.stulist.Remove(groupChange.listid);
+                            stuCourse.classId.Remove(groupChange.listid);
+                            if (stuCourse.stulist.IsNotEmpty() || stuCourse.classId.IsNotEmpty())
+                            {
+                                await client.GetContainer(Constant.TEAMModelOS, "Student").ReplaceItemAsync(stuCourse, stuCourse.id, new PartitionKey(stuCourse.code));
+                            }
+                            else
+                            {
+                                await client.GetContainer(Constant.TEAMModelOS, "Student").DeleteItemStreamAsync(course.id, new PartitionKey($"StuCourse-{delTmd.id}"));
+                            }
+                        }
+                    }
+                    catch (Exception)
+                    {
+                        continue;
+                    }
                 }
-
             }
             if (groupChange.status.Equals("delete")) {
                 foreach (var item in courses)