|  | @@ -1549,14 +1549,14 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
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				|  |  |              //获取助教老师
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				|  |  |              Map<Integer, String> subTeachers = JSONObject.parseObject(JSONObject.toJSONString(MapUtil.convertMybatisMap(classGroupDao.countStudentNum(join, "TEACHING"))), HashMap.class);
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				|  |  |              //获取在读人数
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				|  |  | -            Map<String, Integer> studyNums = JSONObject.parseObject(JSONObject.toJSONString(MapUtil.convertIntegerMap(classGroupDao.countStudyNum(join))), HashMap.class);
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				|  |  | +            Map<Integer, Integer> studyNums = JSONObject.parseObject(JSONObject.toJSONString(MapUtil.convertIntegerMap(classGroupDao.countStudyNum(join))), HashMap.class);
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				|  |  |              //获取退班人数
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				|  |  | -            Map<String, Integer> quitNums = JSONObject.parseObject(JSONObject.toJSONString(MapUtil.convertIntegerMap(classGroupDao.countQuitNum(join))), HashMap.class);
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				|  |  | +            Map<Integer, Integer> quitNums = JSONObject.parseObject(JSONObject.toJSONString(MapUtil.convertIntegerMap(classGroupDao.countQuitNum(join))), HashMap.class);
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				|  |  |              dataList.forEach(e -> {
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				|  |  |                  e.setMasterTeacher(masterTeachers.get(e.getClassGroupId()));
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				|  |  |                  e.setSubTeacher(subTeachers.get(e.getClassGroupId()));
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				|  |  | -                e.setStudyNum(studyNums.get(e.getClassGroupId().toString()));
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				|  |  | -                e.setQuitNum(quitNums.get(e.getClassGroupId().toString()));
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				|  |  | +                e.setStudyNum(studyNums.get(e.getClassGroupId()));
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				|  |  | +                e.setQuitNum(quitNums.get(e.getClassGroupId()));
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				|  |  |              });
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				|  |  |          }
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				|  |  |          if (count == 0) {
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