修复查询成员失败的问题。

TEAMModelOS.SDK/Models/Service/GroupListService.cs

@@ -470,7 +470,7 @@ namespace TEAMModelOS.SDK.Models.Service
                 var unexist_student = students.Select(x => (x.id, x.code)).Except(studentsData.Select(y => (y.id, y.schoolId)), new CompareIdCode()).ToList();
                 groups.ForEach(x =>
                 {
-                    int item = x.members.RemoveAll(y => y.type == 2 && !unexist_student.Exists(x => x.id.Equals(y.id) && x.Item2.Equals(y.code)));
+                    int item = x.members.RemoveAll(y => y.type == 2 && unexist_student.Exists(x => x.id.Equals(y.id) && x.Item2.Equals(y.code)));
                     if (item > 0)
                     {
                         changes.Add(x);