diff --git a/src/main/java/com/yunhai/dormnotice/controller/api/DormController.java b/src/main/java/com/yunhai/dormnotice/controller/api/DormController.java
index 89a5fc4..5cedbf1 100644
--- a/src/main/java/com/yunhai/dormnotice/controller/api/DormController.java
+++ b/src/main/java/com/yunhai/dormnotice/controller/api/DormController.java
@@ -106,41 +106,6 @@ public class DormController {
         dormService.setMonitor(roomId, studentId);
     }
 
-    /** 可添加学生名单：bschclass 在册学生，排除已保存到 dorm_student 的（供前端勾选）。 */
-    @GetMapping("AvailableStudents")
-    public List<Map<String, Object>> availableStudents(@RequestParam(required = false) String keyword) {
-        return dormService.availableStudents(keyword);
-    }
-
-    /** 保存前端勾选的学生到待安排池（roomId=0），返回新增人数。 */
-    @PostMapping("SaveStudents")
-    public Map<String, Object> saveStudents(@RequestParam String studentIds) {
-        Map<String, Object> r = new java.util.LinkedHashMap<>();
-        r.put("added", dormService.saveStudents(parseIds(studentIds)));
-        return r;
-    }
-
-    /** 手动删除已保存的学生（在住者重排该房床位），返回删除人数。 */
-    @PostMapping("DeleteStudents")
-    public Map<String, Object> deleteStudents(@RequestParam String studentIds) {
-        Map<String, Object> r = new java.util.LinkedHashMap<>();
-        r.put("removed", dormService.deleteStudents(parseIds(studentIds)));
-        return r;
-    }
-
-    private static List<Integer> parseIds(String csv) {
-        List<Integer> ids = new java.util.ArrayList<>();
-        if (csv != null) {
-            for (String s : csv.split(",")) {
-                String t = s.trim();
-                if (!t.isEmpty()) {
-                    ids.add(Integer.parseInt(t));
-                }
-            }
-        }
-        return ids;
-    }
-
     private static Map<String, Object> toObj(Map<String, String> src) {
         return src.entrySet().stream().collect(java.util.stream.Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
     }
diff --git a/src/main/java/com/yunhai/dormnotice/service/IDormService.java b/src/main/java/com/yunhai/dormnotice/service/IDormService.java
index 0389aca..f3b2370 100644
--- a/src/main/java/com/yunhai/dormnotice/service/IDormService.java
+++ b/src/main/java/com/yunhai/dormnotice/service/IDormService.java
@@ -40,16 +40,4 @@ public interface IDormService {
 
     /** 楼栋→楼层→房间树（ztree，供发布选房间；对应 base/GetDormTree）。 */
     List<Map<String, Object>> dormTree();
-
-    /**
-     * 可添加学生名单：从 bschclass 学籍拉取本校在册学生，排除已保存到 dorm_student 的，供前端勾选。
-     * 返回项：{studentId, studentName, className}。
-     */
-    List<Map<String, Object>> availableStudents(String keyword);
-
-    /** 保存前端勾选的学生到 dorm_student（roomId=0 待安排池），已存在的跳过；返回新增人数。 */
-    int saveStudents(List<Integer> studentIds);
-
-    /** 手动删除 dorm_student 中的学生（在住者删除后重排该房床位）；返回删除人数。 */
-    int deleteStudents(List<Integer> studentIds);
 }
diff --git a/src/main/java/com/yunhai/dormnotice/service/impl/DormService.java b/src/main/java/com/yunhai/dormnotice/service/impl/DormService.java
index d964a61..fe60ab7 100644
--- a/src/main/java/com/yunhai/dormnotice/service/impl/DormService.java
+++ b/src/main/java/com/yunhai/dormnotice/service/impl/DormService.java
@@ -434,7 +434,7 @@ public class DormService implements IDormService {
         }
     }
 
-    // ============================ bschclass 学籍（前端选择保存） ============================
+    // ============================ bschclass 学籍（在册名单） ============================
 
     private static final class Roster {
         final List<SchStudentDto> students;
@@ -471,101 +471,6 @@ public class DormService implements IDormService {
         return new Roster(stus, classNames);
     }
 
-    @Override
-    public List<Map<String, Object>> availableStudents(String keyword) {
-        List<Map<String, Object>> out = new ArrayList<>();
-        Roster roster = fetchRoster();
-        if (roster == null) {
-            return out;
-        }
-        Set<Integer> savedIds = studentRepository.findAll().stream()
-                .map(DormStudent::getStudentId).filter(Objects::nonNull).collect(Collectors.toSet());
-        String kw = keyword == null ? "" : keyword.trim();
-        for (SchStudentDto s : roster.students) {
-            if (s.getStuId() == null || savedIds.contains(s.getStuId())) {
-                continue; // 排除已保存到 dorm_student 的
-            }
-            if (!kw.isEmpty() && !String.valueOf(s.getStuName()).contains(kw)) {
-                continue;
-            }
-            Map<String, Object> m = new LinkedHashMap<>();
-            m.put("studentId", s.getStuId());
-            m.put("studentName", s.getStuName());
-            m.put("className", roster.classNames.get(s.getClassId()));
-            out.add(m);
-        }
-        return out;
-    }
-
-    @Override
-    @Transactional
-    public int saveStudents(List<Integer> studentIds) {
-        if (studentIds == null || studentIds.isEmpty()) {
-            return 0;
-        }
-        Integer schId = UserContext.getSchId();
-        // 用最新在册名单补全姓名/班级（拿不到也不阻断，按 id 落库）
-        Map<Integer, SchStudentDto> rosterById = new HashMap<>();
-        Map<Integer, String> classNames = new HashMap<>();
-        Roster roster = fetchRoster();
-        if (roster != null) {
-            for (SchStudentDto s : roster.students) {
-                if (s.getStuId() != null) {
-                    rosterById.put(s.getStuId(), s);
-                }
-            }
-            classNames = roster.classNames;
-        }
-        int added = 0;
-        for (Integer id : studentIds) {
-            if (id == null || studentRepository.findByStudentId(id).isPresent()) {
-                continue; // 已存在跳过，幂等
-            }
-            SchStudentDto s = rosterById.get(id);
-            DormStudent d = new DormStudent();
-            d.setStudentId(id);
-            d.setStudentName(s != null ? s.getStuName() : null);
-            d.setClassName(s != null ? classNames.get(s.getClassId()) : null);
-            d.setRoomId(0);
-            d.setIsMonitor(false);
-            d.setSourceDesc("学籍在册未分配床位");
-            d.setSchId(schId);
-            studentRepository.save(d);
-            added++;
-        }
-        log.info("[saveStudents] schId={} 勾选 {} 人，新增保存 {} 人", schId, studentIds.size(), added);
-        return added;
-    }
-
-    @Override
-    @Transactional
-    public int deleteStudents(List<Integer> studentIds) {
-        if (studentIds == null || studentIds.isEmpty()) {
-            return 0;
-        }
-        int removed = 0;
-        Set<Integer> roomsToRenumber = new HashSet<>();
-        for (Integer id : studentIds) {
-            if (id == null) {
-                continue;
-            }
-            Optional<DormStudent> opt = studentRepository.findByStudentId(id);
-            if (opt.isPresent()) {
-                Integer rid = opt.get().getRoomId();
-                studentRepository.delete(opt.get());
-                if (rid != null && rid > 0) {
-                    roomsToRenumber.add(rid);
-                }
-                removed++;
-            }
-        }
-        for (Integer rid : roomsToRenumber) {
-            renumberBeds(rid);
-        }
-        log.info("[deleteStudents] 手动删除 {} 人", removed);
-        return removed;
-    }
-
     // ============================ 辅助 ============================
 
     private List<DormBuilding> buildingsOfSch() {
diff --git a/src/main/java/com/yunhai/dormnotice/service/impl/NoticeService.java b/src/main/java/com/yunhai/dormnotice/service/impl/NoticeService.java
index 7553f33..5187d43 100644
--- a/src/main/java/com/yunhai/dormnotice/service/impl/NoticeService.java
+++ b/src/main/java/com/yunhai/dormnotice/service/impl/NoticeService.java
@@ -15,6 +15,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
 
 import java.time.LocalDateTime;
+import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
 import java.util.stream.Collectors;
@@ -409,7 +410,7 @@ public class NoticeService implements INoticeService {
     @Override
     public Map<String, Object> statis(String startTime, String endTime) {
         List<Notice> list = noticeRepository.findAll();
-        LocalDateTime st = parseDt(startTime), et = parseDt(endTime);
+        LocalDateTime st = parseDt(startTime), et = parseDateEnd(endTime);
         if (st != null) list = list.stream().filter(n -> !nz(n.getCreateTime()).isBefore(st)).collect(Collectors.toList());
         if (et != null) list = list.stream().filter(n -> !nz(n.getCreateTime()).isAfter(et)).collect(Collectors.toList());
 
@@ -1108,7 +1109,7 @@ public class NoticeService implements INoticeService {
         if (StringUtils.hasText(ns) && !"all".equals(ns)) {
             out = out.stream().filter(n -> ns.equals(n.getNoticeStatus())).collect(Collectors.toList());
         }
-        LocalDateTime st = parseDt(q.get("startTime")), et = parseDt(q.get("endTime"));
+        LocalDateTime st = parseDt(q.get("startTime")), et = parseDateEnd(q.get("endTime"));
         if (st != null) out = out.stream().filter(n -> !nz(n.getEffectiveTime() == null ? n.getCreateTime() : n.getEffectiveTime()).isBefore(st)).collect(Collectors.toList());
         if (et != null) out = out.stream().filter(n -> !nz(n.getEffectiveTime() == null ? n.getCreateTime() : n.getEffectiveTime()).isAfter(et)).collect(Collectors.toList());
         int rt = intg(q.get("readType"), 0);
@@ -1194,6 +1195,18 @@ public class NoticeService implements INoticeService {
         }
     }
 
+    /**
+     * 解析查询区间的结束时间：纯日期（yyyy-MM-dd）时取当天末尾 23:59:59.999999999，使区间包含当天
+     */
+    private LocalDateTime parseDateEnd(Object o) {
+        LocalDateTime t = parseDt(o);
+        if (t == null || o == null) {
+            return t;
+        }
+        String s = String.valueOf(o).trim();
+        return s.length() == 10 ? t.toLocalDate().atTime(LocalTime.MAX) : t;
+    }
+
     private Map<String, Object> parseFill(Object o) {
         if (o == null) {
             return null;