diff --git a/docs/openapi-rc.json b/docs/openapi-rc.json
index 04b586a..57dd431 100644
--- a/docs/openapi-rc.json
+++ b/docs/openapi-rc.json
@@ -5326,7 +5326,7 @@
           "个人资料"
         ],
         "summary": "更新学生资料",
-        "description": "仅更新传入的非 null 字段；不存在则自动创建",
+        "description": "仅更新传入的非 null 字段；不存在则自动创建。已有在线简历时必须携带其最新 revision，缺少或过期返回409/6002；成功写入推进版本，须重新 GET 在线简历获取最新版本。尚无在线简历记录的旧客户端可省略 revision 或传0。",
         "operationId": "updateMyProfile",
         "requestBody": {
           "content": {
@@ -6309,7 +6309,7 @@
           "求职偏好"
         ],
         "summary": "保存求职偏好",
-        "description": "仅 STUDENT；upsert，完全替换传入字段",
+        "description": "仅 STUDENT；upsert，非 null 字段部分更新，列表[]清空；薪资以元/月计，按与已存值合并后的区间校验。已有在线简历时必须携带其最新 revision，缺少或过期返回409/6002；成功写入推进版本，须重新 GET 在线简历获取最新版本。尚无在线简历记录时可省略 revision 或传0。",
         "operationId": "savePreferences",
         "requestBody": {
           "content": {
@@ -15987,6 +15987,12 @@
       "StudentPreferenceRequest": {
         "type": "object",
         "properties": {
+          "revision": {
+            "type": "integer",
+            "format": "int64",
+            "minimum": 0,
+            "description": "已保存在线简历时必填，取自 GET /profile/me/online-resume；缺少或过期返回409/6002。尚无在线记录时可省略或传0。成功后重新GET获取新版本。"
+          },
           "expectedSalaryMin": {
             "type": "integer",
             "format": "int32",
@@ -16048,6 +16054,12 @@
       "StudentProfileUpdateRequest": {
         "type": "object",
         "properties": {
+          "revision": {
+            "type": "integer",
+            "format": "int64",
+            "minimum": 0,
+            "description": "已保存在线简历时必填，取自 GET /profile/me/online-resume；缺少或过期返回409/6002。尚无在线记录时可省略或传0。成功后重新GET获取新版本。"
+          },
           "realName": {
             "type": "string",
             "maxLength": 50,
@@ -21557,6 +21569,11 @@
         "type": "object",
         "additionalProperties": false,
         "properties": {
+          "experienceType": {
+            "type": ["string", "null"],
+            "pattern": "^(FULL_TIME|INTERNSHIP)$",
+            "description": "经历类型：FULL_TIME 正式工作、INTERNSHIP 实习；省略或null表示未区分，不推断历史记录。条目PUT为完整替换，保留类型须回传该字段。"
+          },
           "id": {
             "type": "string",
             "pattern": "[a-f0-9\\-]{36}"
diff --git a/docs/verify_openapi.py b/docs/verify_openapi.py
index ccfe250..376d9e9 100644
--- a/docs/verify_openapi.py
+++ b/docs/verify_openapi.py
@@ -904,5 +904,21 @@ assert len({item['$ref'] for item in _entry['oneOf']}) == 4
 for _candidate in ('CandidateItemView', 'CandidateDetailView'):
     assert not ({'phone', 'email'} & set(_online_schemas[_candidate]['properties']))
 print('  Online resume: 4 paths / 8 operations, contacts and experience schemas verified')
+_work_type = _online_schemas['OnlineResumeWork']['properties']['experienceType']
+assert set(_work_type['type']) == {'string', 'null'}
+assert _work_type['pattern'] == '^(FULL_TIME|INTERNSHIP)$'
+assert 'experienceType' not in _online_schemas['OnlineResumeWork'].get('required', [])
+assert '未区分' in _work_type['description']
+for _legacy_schema in ('StudentProfileUpdateRequest', 'StudentPreferenceRequest'):
+    _schema = _online_schemas[_legacy_schema]
+    _revision = _schema['properties']['revision']
+    assert _revision['type'] == 'integer' and _revision['format'] == 'int64'
+    assert _revision['minimum'] == 0
+    assert '409/6002' in _revision['description']
+    assert 'revision' not in _schema.get('required', []), '无在线记录的旧客户端仍可省略版本'
+for _legacy_path in ('/profile/me', '/profile/me/preferences'):
+    assert '409/6002' in paths[_legacy_path]['put']['description']
+    assert 'revision' in paths[_legacy_path]['put']['description']
+print('  Legacy profile/preference writes share online resume revision; conditional requirement documented')
 print("Valid JSON: True")
 print("All checks passed!")
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeContent.java b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeContent.java
index de88799..efde76f 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeContent.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeContent.java
@@ -77,6 +77,10 @@ public class OnlineResumeContent {
     public static class Work extends DatedEntry {
         @NotBlank @Size(max = 150) private String company;
         @NotBlank @Size(max = 120) private String position;
+        @Pattern(regexp = "^(FULL_TIME|INTERNSHIP)$")
+        @io.swagger.v3.oas.annotations.media.Schema(types = {"string", "null"}, pattern = "^(FULL_TIME|INTERNSHIP)$",
+                description = "经历类型：FULL_TIME 正式工作、INTERNSHIP 实习；省略或null表示未区分，不推断历史记录。条目PUT为完整替换，保留类型须回传该字段。")
+        private String experienceType;
     }
     @Data @lombok.EqualsAndHashCode(callSuper = true) @io.swagger.v3.oas.annotations.media.Schema(name = "OnlineResumeProject", additionalProperties = io.swagger.v3.oas.annotations.media.Schema.AdditionalPropertiesValue.FALSE)
     public static class Project extends DatedEntry {
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeDocxWriter.java b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeDocxWriter.java
index 87745dd..ac41976 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeDocxWriter.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeDocxWriter.java
@@ -32,7 +32,11 @@ public class OnlineResumeDocxWriter {
         lines.add("教育经历");
         for (var e : c.getEducationExperiences()) { lines.add(join(e.getSchool(), e.getMajor(), e.getDegree(), dates(e))); lines.add(e.getDescription()); }
         lines.add("工作经历");
-        for (var e : c.getWorkExperiences()) { lines.add(join(e.getCompany(), e.getPosition(), dates(e))); lines.add(e.getDescription()); }
+        for (var e : c.getWorkExperiences()) {
+            String type = "INTERNSHIP".equals(e.getExperienceType()) ? "实习"
+                    : "FULL_TIME".equals(e.getExperienceType()) ? "正式工作" : "类型未区分";
+            lines.add(join(e.getCompany(), e.getPosition(), type, dates(e))); lines.add(e.getDescription());
+        }
         lines.add("项目经历");
         for (var e : c.getProjectExperiences()) { lines.add(join(e.getName(), e.getRole(), dates(e))); lines.add(e.getDescription()); }
         lines.add("技能特长");
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeService.java b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeService.java
index 7a793f3..37c51fa 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeService.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeService.java
@@ -29,7 +29,7 @@ public class OnlineResumeService {
     private final UserRoleGuard roles;
     private final ObjectMapper mapper;
     private final Validator validator;
-    @PersistenceContext private EntityManager em;
+    private final OnlineResumeWriteGuard writeGuard;
 
     @Transactional(readOnly = true)
     public OnlineResumeView get(Long userId) {
@@ -40,8 +40,8 @@ public class OnlineResumeService {
 
     @Transactional
     public OnlineResumeView save(Long userId, OnlineResumeSaveRequest request) {
-        User u = lockUser(userId);
-        OnlineResume row = resumes.findById(userId).orElse(null);
+        User u = writeGuard.lockStudent(userId);
+        OnlineResume row = writeGuard.lockResume(userId);
         OnlineResumeView current = view(u, row);
         checkRevision(current.revision(), request.revision());
         return persist(u, row, request.content(), current.content());
@@ -51,8 +51,8 @@ public class OnlineResumeService {
     @Transactional
     public OnlineResumeView editEntry(Long userId, String section, String id, Long revision,
                                       JsonNode entry, boolean delete) {
-        User u = lockUser(userId);
-        OnlineResume row = resumes.findById(userId).orElse(null);
+        User u = writeGuard.lockStudent(userId);
+        OnlineResume row = writeGuard.lockResume(userId);
         OnlineResumeView current = view(u, row);
         checkRevision(current.revision(), revision);
         OnlineResumeContent content = copy(current.content());
@@ -88,14 +88,6 @@ public class OnlineResumeService {
         if (index < 0) list.add(value); else list.set(index, value);
     }
 
-    private User lockUser(Long userId) {
-        // 锁定已存在的用户行，首次创建也有稳定锁对象；不锁定其他用户。
-        User u = em.find(User.class, userId, LockModeType.PESSIMISTIC_WRITE);
-        if (u == null) throw new BusinessException(ErrorCode.USER_NOT_FOUND);
-        roles.requireStudent(u);
-        return u;
-    }
-
     private void checkRevision(long actual, Long expected) {
         if (expected == null || actual != expected)
             throw new BusinessException(ErrorCode.ONLINE_RESUME_REVISION_CONFLICT);
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeWriteGuard.java b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeWriteGuard.java
new file mode 100644
index 0000000..631b6d6
--- /dev/null
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/onlineresume/OnlineResumeWriteGuard.java
@@ -0,0 +1,64 @@
+package com.mydreamjob.onlineresume;
+
+import com.mydreamjob.auth.User;
+import com.mydreamjob.common.exception.BusinessException;
+import com.mydreamjob.common.exception.ErrorCode;
+import com.mydreamjob.security.UserRoleGuard;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.LockModeType;
+import jakarta.persistence.PersistenceContext;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Propagation;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalDateTime;
+import java.time.temporal.ChronoUnit;
+
+/** 新旧简历写入口共用用户锁和在线简历版本；必须在调用者事务内执行。 */
+@Service
+@RequiredArgsConstructor
+@Transactional(propagation = Propagation.MANDATORY)
+public class OnlineResumeWriteGuard {
+    private final UserRoleGuard roles;
+    private final OnlineResumeRepository resumes;
+    @PersistenceContext private EntityManager em;
+
+    public User lockStudent(Long userId) {
+        User user = em.find(User.class, userId, LockModeType.PESSIMISTIC_WRITE);
+        if (user == null) throw new BusinessException(ErrorCode.USER_NOT_FOUND);
+        em.refresh(user, LockModeType.PESSIMISTIC_WRITE);
+        roles.requireStudent(user);
+        return user;
+    }
+
+    /** 锁定读避免 MySQL REPEATABLE READ 旧快照，也刷新一级缓存中的旧版本。 */
+    public OnlineResume lockResume(Long userId) {
+        OnlineResume row = em.find(OnlineResume.class, userId, LockModeType.PESSIMISTIC_WRITE);
+        if (row != null) em.refresh(row, LockModeType.PESSIMISTIC_WRITE);
+        return row;
+    }
+
+    public OnlineResume beforeLegacyWrite(Long userId, Long expectedRevision) {
+        lockStudent(userId);
+        OnlineResume row = lockResume(userId);
+        if (row == null) {
+            if (expectedRevision != null && expectedRevision != 0L) conflict();
+        } else if (expectedRevision == null || expectedRevision != row.getRevision()) {
+            conflict();
+        }
+        return row;
+    }
+
+    /** 只在旧接口成功写入的同一事务内推进版本；不自动创建在线简历记录。 */
+    public void afterLegacyWrite(OnlineResume row) {
+        if (row == null) return;
+        row.setRevision(Math.addExact(row.getRevision(), 1));
+        row.setUpdatedAt(LocalDateTime.now().truncatedTo(ChronoUnit.MICROS));
+        resumes.saveAndFlush(row);
+    }
+
+    private void conflict() {
+        throw new BusinessException(ErrorCode.ONLINE_RESUME_REVISION_CONFLICT);
+    }
+}
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceController.java b/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceController.java
index 24d5b57..8cf0f91 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceController.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceController.java
@@ -32,7 +32,11 @@ public class PreferenceController {
         return ResponseEntity.ok(ApiResponse.ok(view, requestIdAccessor.get(request)));
     }
 
-    @Operation(summary = "保存求职偏好", description = "仅 STUDENT；upsert，完全替换传入字段")
+    @Operation(summary = "保存求职偏好", description = "仅 STUDENT；upsert，仅更新非 null 字段，薪资单位为元/月；"
+            + "按合并后的期望薪资区间校验，非法返回 400/1001 且无部分更新。"
+            + "已有在线简历时必须携带最近 GET /profile/me/online-resume 的 revision，缺少或过期返回 409/6002；"
+            + "成功写入推进在线简历 revision，随后重新 GET 获取最新版本。"
+            + "未建立在线简历时兼容不传 revision，显式 revision 只能为 0。")
     @PutMapping("/preferences")
     public ResponseEntity<ApiResponse<Map<String, Object>>> savePreferences(
             @Valid @RequestBody StudentPreferenceRequest req,
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceService.java b/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceService.java
index 9ff2007..855f7f4 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceService.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/preference/PreferenceService.java
@@ -30,6 +30,7 @@ public class PreferenceService {
     private final UserRepository userRepository;
     /** R01-D4-1：求职偏好更新后登记评分快照刷新（COMPLIANCE 维度）。 */
     private final CandidateScoringRefreshRequestService scoringRefreshRequestService;
+    private final com.mydreamjob.onlineresume.OnlineResumeWriteGuard onlineResumeWriteGuard;
     private static final ObjectMapper mapper = new ObjectMapper();
 
     // ── 角色校验 ──────────────────────────────────────────────
@@ -53,12 +54,23 @@ public class PreferenceService {
     public Map<String, Object> savePreferences(Long studentUserId, StudentPreferenceRequest req) {
         assertStudentRole(studentUserId);
 
-        StudentPreference pref = preferenceRepository.findByStudentUserId(studentUserId)
+        var onlineResume = onlineResumeWriteGuard.beforeLegacyWrite(studentUserId, req.getRevision());
+        StudentPreference pref = preferenceRepository.lockByStudentUserId(studentUserId)
                 .orElse(StudentPreference.builder()
                         .studentUserId(studentUserId)
                         .remoteAllowed(false)
                         .build());
 
+        // 部分更新必须校验合并后的区间，且在修改任何受管实体字段前拒绝，避免部分写入。
+        Integer salaryMin = req.getExpectedSalaryMin() == null
+                ? pref.getExpectedSalaryMin() : req.getExpectedSalaryMin();
+        Integer salaryMax = req.getExpectedSalaryMax() == null
+                ? pref.getExpectedSalaryMax() : req.getExpectedSalaryMax();
+        if (salaryMin != null && salaryMin < 0 || salaryMax != null && salaryMax < 0
+                || salaryMin != null && salaryMax != null && salaryMin > salaryMax) {
+            throw new BusinessException(ErrorCode.BAD_REQUEST, "invalid merged salary range");
+        }
+
         if (req.getExpectedSalaryMin() != null) pref.setExpectedSalaryMin(req.getExpectedSalaryMin());
         if (req.getExpectedSalaryMax() != null) pref.setExpectedSalaryMax(req.getExpectedSalaryMax());
         if (req.getPreferredCities() != null) pref.setPreferredCities(toJson(req.getPreferredCities()));
@@ -70,6 +82,7 @@ public class PreferenceService {
         StudentPreference saved = preferenceRepository.save(pref);
         // R01-D4-1：偏好更新影响 COMPLIANCE 维度 → 登记当前周期刷新。
         scoringRefreshRequestService.requestRefresh(studentUserId, LocalDateTime.now());
+        onlineResumeWriteGuard.afterLegacyWrite(onlineResume);
         return toView(saved);
     }
 
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/preference/StudentPreferenceRepository.java b/mydreamjob-server/src/main/java/com/mydreamjob/preference/StudentPreferenceRepository.java
index e0d5ce0..50e834b 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/preference/StudentPreferenceRepository.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/preference/StudentPreferenceRepository.java
@@ -9,4 +9,8 @@ import java.util.Optional;
 public interface StudentPreferenceRepository extends JpaRepository<StudentPreference, Long> {
 
     Optional<StudentPreference> findByStudentUserId(Long studentUserId);
+
+    @org.springframework.data.jpa.repository.Lock(jakarta.persistence.LockModeType.PESSIMISTIC_WRITE)
+    @org.springframework.data.jpa.repository.Query("select p from StudentPreference p where p.studentUserId = :userId")
+    Optional<StudentPreference> lockByStudentUserId(@org.springframework.data.repository.query.Param("userId") Long userId);
 }
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/preference/dto/StudentPreferenceRequest.java b/mydreamjob-server/src/main/java/com/mydreamjob/preference/dto/StudentPreferenceRequest.java
index 2c14b95..08748a8 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/preference/dto/StudentPreferenceRequest.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/preference/dto/StudentPreferenceRequest.java
@@ -11,6 +11,11 @@ import java.util.List;
 @Data
 public class StudentPreferenceRequest {
 
+    /** 已保存在线简历时必填；从 GET /profile/me/online-resume 获取。 */
+    @jakarta.validation.constraints.PositiveOrZero
+    @io.swagger.v3.oas.annotations.media.Schema(minimum = "0", description = "已保存在线简历时必填，取自 GET /profile/me/online-resume；缺少或过期返回409/6002。尚无在线记录时可省略或传0。成功后重新GET获取新版本。")
+    private Long revision;
+
     @Min(value = 0, message = "expectedSalaryMin must not be negative")
     private Integer expectedSalaryMin;
 
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileController.java b/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileController.java
index 70c4948..53c7a11 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileController.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileController.java
@@ -92,6 +92,9 @@ public class ProfileController {
     @Operation(
             summary = "更新学生资料",
             description = "仅更新传入的非 null 字段；不存在则自动创建。"
+                    + "已有在线简历时必须携带最近 GET /profile/me/online-resume 的 revision，"
+                    + "缺少或过期返回 409/6002；成功写入推进在线简历 revision，随后重新 GET 获取最新版本。"
+                    + "未建立在线简历时兼容不传 revision，显式 revision 只能为 0。"
                     + "角色：仅 STUDENT（COMPANY/ADMIN 返回 403）。"
                     + "安全约束：请求体中的 resumeUrl 为只读字段，客户端不得设置——"
                     + "缺省或显式 null 表示不修改现有简历引用；"
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileService.java b/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileService.java
index 3ba3b6f..aa19012 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileService.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/profile/ProfileService.java
@@ -42,6 +42,7 @@ public class ProfileService {
     private final com.mydreamjob.messaging.ChatResumeLifecycle chatResumeLifecycle;
     /** R01-D4-1：学生资料/简历更新后登记评分快照刷新。 */
     private final CandidateScoringRefreshRequestService scoringRefreshRequestService;
+    private final com.mydreamjob.onlineresume.OnlineResumeWriteGuard onlineResumeWriteGuard;
 
     private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
 
@@ -69,7 +70,8 @@ public class ProfileService {
             throw new BusinessException(ErrorCode.BAD_REQUEST,
                     "resumeUrl cannot be modified through profile update");
         }
-        StudentProfile profile = profileRepository.findByUserId(userId)
+        var onlineResume = onlineResumeWriteGuard.beforeLegacyWrite(userId, req.getRevision());
+        StudentProfile profile = profileRepository.lockByUserId(userId)
                 .orElse(StudentProfile.builder().userId(userId).build());
         if (req.getRealName() != null) profile.setRealName(req.getRealName());
         if (req.getBio() != null) profile.setBio(req.getBio());
@@ -81,6 +83,7 @@ public class ProfileService {
         StudentProfile saved = profileRepository.save(profile);
         // R01-D4-1：资料（含学历/学校/技能/简历链接）变化影响 8 维评分 → 登记当前周期刷新。
         scoringRefreshRequestService.requestRefresh(userId, LocalDateTime.now());
+        onlineResumeWriteGuard.afterLegacyWrite(onlineResume);
         return saved;
     }
 
diff --git a/mydreamjob-server/src/main/java/com/mydreamjob/profile/dto/StudentProfileUpdateRequest.java b/mydreamjob-server/src/main/java/com/mydreamjob/profile/dto/StudentProfileUpdateRequest.java
index 8646b98..8163fcd 100644
--- a/mydreamjob-server/src/main/java/com/mydreamjob/profile/dto/StudentProfileUpdateRequest.java
+++ b/mydreamjob-server/src/main/java/com/mydreamjob/profile/dto/StudentProfileUpdateRequest.java
@@ -11,6 +11,11 @@ import java.util.List;
 @Data
 public class StudentProfileUpdateRequest {
 
+    /** 已保存在线简历时必填；从 GET /profile/me/online-resume 获取。 */
+    @jakarta.validation.constraints.PositiveOrZero
+    @io.swagger.v3.oas.annotations.media.Schema(minimum = "0", description = "已保存在线简历时必填，取自 GET /profile/me/online-resume；缺少或过期返回409/6002。尚无在线记录时可省略或传0。成功后重新GET获取新版本。")
+    private Long revision;
+
     @Size(max = 50, message = "real name must be at most 50 characters")
     private String realName;
 
diff --git a/mydreamjob-server/src/test/java/com/mydreamjob/onlineresume/OnlineResumeIntegrationTest.java b/mydreamjob-server/src/test/java/com/mydreamjob/onlineresume/OnlineResumeIntegrationTest.java
index ccfa2df..fa52a1a 100644
--- a/mydreamjob-server/src/test/java/com/mydreamjob/onlineresume/OnlineResumeIntegrationTest.java
+++ b/mydreamjob-server/src/test/java/com/mydreamjob/onlineresume/OnlineResumeIntegrationTest.java
@@ -37,6 +37,8 @@ class OnlineResumeIntegrationTest {
     @Autowired StudentPreferenceRepository preferences;
     @Autowired OnlineResumeRepository resumes;
     @Autowired OnlineResumeService service;
+    @Autowired ProfileService profileService;
+    @Autowired org.springframework.transaction.PlatformTransactionManager transactionManager;
     @Autowired com.mydreamjob.dataexport.PersonalDataCollector collector;
     @Autowired com.mydreamjob.deletion.AccountDeletionRepository deletions;
     @Autowired com.mydreamjob.deletion.AccountDeletionCompletionWorker deletionWorker;
@@ -208,8 +210,9 @@ class OnlineResumeIntegrationTest {
     @Test void legacyProfileUpdatesAreReflectedAndSkillDetailsAreRetained() throws Exception {
         data(save(0,content()));
         mvc.perform(put("/profile/me").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
-                .content("{\"realName\":\"既有接口更新\",\"skills\":[\"Java\",\"SQL\"]}")).andExpect(status().isOk());
+                .content("{\"revision\":1,\"realName\":\"既有接口更新\",\"skills\":[\"Java\",\"SQL\"]}")).andExpect(status().isOk());
         JsonNode d=read();assertEquals("既有接口更新",d.at("/content/basicInfo/realName").asText());
+        assertEquals(2,d.path("revision").asLong());
         assertEquals(2,d.at("/content/skills").size());assertEquals("PROFICIENT",d.at("/content/skills/0/level").asText());
     }
     @Test void runtimeOpenApiDocumentsOnlineResumeAndPrivateContactFields() throws Exception {
@@ -226,7 +229,245 @@ class OnlineResumeIntegrationTest {
             assertFalse(doc.at("/components/schemas/"+name+"/additionalProperties").asBoolean(true));
         JsonNode candidate=doc.at("/components/schemas/CandidateDetailView/properties");
         assertFalse(candidate.has("phone"));assertFalse(candidate.has("email"));
+        for(String name:List.of("StudentProfileUpdateRequest","StudentPreferenceRequest")) {
+            JsonNode revision=doc.at("/components/schemas/"+name+"/properties/revision");
+            assertEquals("integer",revision.path("type").asText());
+            assertEquals("int64",revision.path("format").asText());
+            assertEquals(0,revision.path("minimum").asInt(-1));
+            assertTrue(revision.path("description").asText().contains("409/6002"));
+        }
+        for(String path:List.of("/profile/me","/profile/me/preferences"))
+            assertTrue(doc.path("paths").path(path).path("put").path("description").asText().contains("409/6002"));
         String destination=System.getProperty("qsp.onlineResume.openapiOutput");
         if(destination!=null)java.nio.file.Files.writeString(java.nio.file.Path.of(destination),json,StandardCharsets.UTF_8);
     }
+
+    @Test void legacyWritesRequireCurrentRevisionAndFailuresAreAtomic() throws Exception {
+        JsonNode original=data(save(0,content()));
+        for(String endpoint:List.of("/profile/me","/profile/me/preferences")) {
+            for(String body:List.of("{}","{\"revision\":0}","{\"revision\":9}")) {
+                mvc.perform(put(endpoint).header("Authorization",token).contentType(MediaType.APPLICATION_JSON).content(body))
+                        .andExpect(status().isConflict()).andExpect(jsonPath("$.code").value(6002));
+                assertEquals(original,read());
+            }
+        }
+        mvc.perform(put("/profile/me").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"revision\":-1}")).andExpect(status().isBadRequest());
+        assertEquals(original,read());
+    }
+
+    @Test void legacyPreferenceWriteAdvancesRevisionAndBlocksStaleFullSave() throws Exception {
+        data(save(0,content()));
+        data(mvc.perform(put("/profile/me/preferences").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"revision\":1,\"expectedSalaryMin\":500,\"preferredCities\":[]}")));
+        JsonNode latest=read();
+        assertEquals(2,latest.path("revision").asLong());
+        assertEquals(500,latest.at("/content/jobIntention/expectedSalaryMin").asInt());
+        assertEquals(0,latest.at("/content/jobIntention/preferredCities").size());
+        assertEquals(20000,latest.at("/content/jobIntention/expectedSalaryMax").asInt());
+        assertEquals("合成企业",latest.at("/content/workExperiences/0/company").asText());
+        save(1,content()).andExpect(status().isConflict()).andExpect(jsonPath("$.code").value(6002));
+        assertEquals(latest,read());
+    }
+
+    @Test void legacyPartialSalaryCannotCreateInvalidMergedRangeOrAdvanceRevision() throws Exception {
+        JsonNode original=data(save(0,content()));
+        for(String invalid:List.of("{\"revision\":1,\"expectedSalaryMin\":25000,\"preferredCities\":[\"不能写入\"]}",
+                "{\"revision\":1,\"expectedSalaryMax\":5000}")) {
+            mvc.perform(put("/profile/me/preferences").header("Authorization",token).contentType(MediaType.APPLICATION_JSON).content(invalid))
+                    .andExpect(status().isBadRequest()).andExpect(jsonPath("$.code").value(1001));
+            assertEquals(original,read());
+        }
+    }
+
+    @Test void legacyClientsWithoutOnlineRecordRemainCompatibleAndReadsDoNotCreateRecord() throws Exception {
+        read();assertFalse(resumes.existsById(user.getId()));
+        data(mvc.perform(put("/profile/me").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"realName\":\"旧客户端\"}")));
+        data(mvc.perform(put("/profile/me/preferences").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"expectedSalaryMin\":500}")));
+        assertFalse(resumes.existsById(user.getId()));
+        assertEquals(0,read().path("revision").asLong());
+        assertEquals("旧客户端",read().at("/content/basicInfo/realName").asText());
+        mvc.perform(put("/profile/me").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"revision\":7,\"realName\":\"不能覆盖\"}"))
+                .andExpect(status().isConflict()).andExpect(jsonPath("$.code").value(6002));
+    }
+
+    @Test void legacyClearIsSynchronizedAndAttachmentIsNeverChanged() throws Exception {
+        profiles.save(StudentProfile.builder().userId(user.getId()).resumeUrl(user.getId()+"_unchanged0001.pdf")
+                .resumeOriginalName("合成.pdf").resumeSize(42L).build());
+        data(save(0,content()));
+        data(mvc.perform(put("/profile/me").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"revision\":1,\"realName\":\"\",\"bio\":\"\",\"skills\":[]}")));
+        JsonNode d=read();assertEquals(2,d.path("revision").asLong());
+        assertEquals("",d.at("/content/basicInfo/realName").asText());
+        assertEquals("",d.at("/content/selfEvaluation").asText());
+        assertEquals(0,d.at("/content/skills").size());
+        assertEquals(42,d.at("/attachment/size").asInt());
+        assertEquals(user.getId()+"_unchanged0001.pdf",profiles.findByUserId(user.getId()).orElseThrow().getResumeUrl());
+    }
+
+    @Test void legacyRevisionIsBoundToAuthenticatedUserNotInjectedIdentity() throws Exception {
+        JsonNode original=data(save(0,content()));User other=createUser(User.Role.STUDENT);
+        service.save(other.getId(),new OnlineResumeSaveRequest(0L,content()));
+        data(mvc.perform(put("/profile/me").header("Authorization",bearer(other))
+                .param("userId",user.getId().toString()).contentType(MediaType.APPLICATION_JSON)
+                .content("{\"revision\":1,\"realName\":\"其他账号更新\"}")));
+        assertEquals(original,read());
+        assertEquals("其他账号更新",service.get(other.getId()).content().getBasicInfo().getRealName());
+        assertEquals(2,service.get(other.getId()).revision());
+    }
+
+    @Test void concurrentLegacyAndOnlineSaveHaveExactlyOneWinner() throws Exception {
+        for(boolean preference:List.of(false,true)) {
+            long revision=data(save(read().path("revision").asLong(),content())).path("revision").asLong();
+            var pool=Executors.newFixedThreadPool(2);var start=new CountDownLatch(1);
+            try {
+                var legacy=pool.submit(()->{assertTrue(start.await(5,TimeUnit.SECONDS));
+                    String body=preference?"{\"revision\":"+revision+",\"expectedSalaryMin\":500}":
+                            "{\"revision\":"+revision+",\"realName\":\"并发旧入口\"}";
+                    return mapper.readTree(mvc.perform(put(preference?"/profile/me/preferences":"/profile/me")
+                            .header("Authorization",token).contentType(MediaType.APPLICATION_JSON).content(body))
+                            .andReturn().getResponse().getContentAsString(StandardCharsets.UTF_8)).path("code").asInt();});
+                var online=pool.submit(()->{assertTrue(start.await(5,TimeUnit.SECONDS));
+                    return mapper.readTree(save(revision,content()).andReturn().getResponse()
+                            .getContentAsString(StandardCharsets.UTF_8)).path("code").asInt();});
+                start.countDown();var results=List.of(legacy.get(30,TimeUnit.SECONDS),online.get(30,TimeUnit.SECONDS));
+                assertEquals(1,results.stream().filter(x->x==200).count());
+                assertEquals(1,results.stream().filter(x->x==6002).count());
+                assertEquals(revision+1,read().path("revision").asLong());
+            } finally {pool.shutdownNow();}
+        }
+    }
+
+    @Test void staleTransactionSnapshotCannotBypassCurrentRevisionCheck() throws Exception {
+        data(save(0,content()));var pool=Executors.newSingleThreadExecutor();
+        var readReady=new CountDownLatch(1);var changed=new CountDownLatch(1);
+        try {
+            var stale=pool.submit(()->{
+                var ex=assertThrows(com.mydreamjob.common.exception.BusinessException.class,()->
+                    new org.springframework.transaction.support.TransactionTemplate(transactionManager).execute(s->{
+                        assertEquals(1,service.get(user.getId()).revision());readReady.countDown();
+                        try {assertTrue(changed.await(10,TimeUnit.SECONDS));} catch(InterruptedException e){throw new RuntimeException(e);}
+                        var req=new com.mydreamjob.profile.dto.StudentProfileUpdateRequest();req.setRevision(1L);req.setRealName("旧快照不能覆盖");
+                        profileService.updateProfile(user.getId(),req);return null;
+                    }));
+                return ex.getErrorCodeInt();
+            });
+            assertTrue(readReady.await(10,TimeUnit.SECONDS));data(save(1,content()));changed.countDown();
+            assertEquals(6002,stale.get(30,TimeUnit.SECONDS));assertEquals(2,read().path("revision").asLong());
+        } finally {changed.countDown();pool.shutdownNow();}
+    }
+
+    @Test void logoutRevokesAccessAndRefreshWhileOtherSessionsRemainUsable() throws Exception {
+        var a=sessions.createSession(user,java.time.Instant.now(),new com.mydreamjob.audit.AuditContext());
+        var b=sessions.createSession(user,java.time.Instant.now(),new com.mydreamjob.audit.AuditContext());
+        String bearerA="Bearer "+a.accessToken(),bearerB="Bearer "+b.accessToken();
+        data(mvc.perform(post("/auth/logout").header("Authorization",bearerA)));
+        mvc.perform(get(PATH).header("Authorization",bearerA)).andExpect(status().isUnauthorized());
+        mvc.perform(post("/auth/refresh").contentType(MediaType.APPLICATION_JSON)
+                .content(mapper.writeValueAsBytes(Map.of("refreshToken",a.refreshToken())))).andExpect(status().isUnauthorized());
+        data(mvc.perform(get(PATH).header("Authorization",bearerB)));
+        data(mvc.perform(post("/auth/refresh").contentType(MediaType.APPLICATION_JSON)
+                .content(mapper.writeValueAsBytes(Map.of("refreshToken",b.refreshToken())))));
+    }
+
+    @Test void workExperienceTypesPersistAcrossFullSaveAndNewSession() throws Exception {
+        long revision=0;
+        for(String type:List.of("FULL_TIME","INTERNSHIP")) {
+            var c=content();c.getWorkExperiences().get(0).setExperienceType(type);
+            JsonNode saved=data(save(revision,c));revision++;
+            assertEquals(type,saved.at("/content/workExperiences/0/experienceType").asText());
+            JsonNode fresh=data(mvc.perform(get(PATH).header("Authorization",bearer(user))));
+            assertEquals(saved,fresh);assertEquals(revision,fresh.path("revision").asLong());
+        }
+    }
+
+    @Test void workEntryCrudCanChangeAndClearTypeWithSharedRevision() throws Exception {
+        var work=content().getWorkExperiences().get(0);work.setExperienceType("INTERNSHIP");
+        JsonNode created=data(mvc.perform(post(PATH+"/work-experiences").header("Authorization",token)
+                .contentType(MediaType.APPLICATION_JSON).content(mapper.writeValueAsBytes(Map.of("revision",0,"entry",work)))));
+        String id=created.at("/content/workExperiences/0/id").asText();
+        assertEquals("INTERNSHIP",data(mvc.perform(get(PATH+"/work-experiences/"+id).header("Authorization",token)))
+                .path("experienceType").asText());
+        work.setExperienceType("FULL_TIME");
+        JsonNode updated=data(mvc.perform(put(PATH+"/work-experiences/"+id).header("Authorization",token)
+                .contentType(MediaType.APPLICATION_JSON).content(mapper.writeValueAsBytes(Map.of("revision",1,"entry",work)))));
+        assertEquals("FULL_TIME",updated.at("/content/workExperiences/0/experienceType").asText());
+        var omitted=mapper.valueToTree(work);((com.fasterxml.jackson.databind.node.ObjectNode)omitted).remove("experienceType");
+        JsonNode cleared=data(mvc.perform(put(PATH+"/work-experiences/"+id).header("Authorization",token)
+                .contentType(MediaType.APPLICATION_JSON).content(mapper.writeValueAsBytes(Map.of("revision",2,"entry",omitted)))));
+        assertUnclassified(cleared.at("/content/workExperiences/0/experienceType"));
+        ((com.fasterxml.jackson.databind.node.ObjectNode)omitted).putNull("experienceType");
+        cleared=data(mvc.perform(put(PATH+"/work-experiences/"+id).header("Authorization",token)
+                .contentType(MediaType.APPLICATION_JSON).content(mapper.writeValueAsBytes(Map.of("revision",3,"entry",omitted)))));
+        assertUnclassified(cleared.at("/content/workExperiences/0/experienceType"));
+        mvc.perform(put(PATH+"/work-experiences/"+id).header("Authorization",token)
+                .contentType(MediaType.APPLICATION_JSON).content(mapper.writeValueAsBytes(Map.of("revision",2,"entry",work))))
+                .andExpect(status().isConflict()).andExpect(jsonPath("$.code").value(6002));
+        assertEquals(cleared,read());
+        data(mvc.perform(delete(PATH+"/work-experiences/"+id).param("revision","4").header("Authorization",token)));
+        assertEquals(0,read().at("/content/workExperiences").size());
+    }
+
+    @Test void invalidWorkExperienceTypesAreRejectedAtomicallyByBothWriteRoutes() throws Exception {
+        JsonNode original=data(save(0,content()));
+        for(String invalid:List.of("","PART_TIME","internship"," INTERNSHIP ","实习")) {
+            var c=content();c.getWorkExperiences().get(0).setExperienceType(invalid);
+            save(1,c).andExpect(status().isBadRequest());
+            mvc.perform(post(PATH+"/work-experiences").header("Authorization",token).contentType(MediaType.APPLICATION_JSON)
+                    .content(mapper.writeValueAsBytes(Map.of("revision",1,"entry",c.getWorkExperiences().get(0)))))
+                    .andExpect(status().isBadRequest());
+            assertEquals(original,read());
+        }
+    }
+
+    @Test void historicalWorkWithoutTypeRemainsUnclassifiedWithoutReadSideEffects() throws Exception {
+        var old=(com.fasterxml.jackson.databind.node.ObjectNode)mapper.valueToTree(content());
+        ((com.fasterxml.jackson.databind.node.ObjectNode)old.path("workExperiences").get(0)).remove("experienceType");
+        var row=new OnlineResume();row.setUserId(user.getId());row.setRevision(7);
+        row.setContentJson(mapper.writeValueAsString(old));row.setUpdatedAt(java.time.LocalDateTime.now());resumes.saveAndFlush(row);
+        String before=resumes.findById(user.getId()).orElseThrow().getContentJson();
+        JsonNode current=read();assertUnclassified(current.at("/content/workExperiences/0/experienceType"));
+        assertEquals(7,current.path("revision").asLong());
+        assertEquals(before,resumes.findById(user.getId()).orElseThrow().getContentJson());
+        var c=mapper.treeToValue(current.path("content"),OnlineResumeContent.class);
+        JsonNode saved=data(save(7,c));assertUnclassified(saved.at("/content/workExperiences/0/experienceType"));
+        assertEquals("合成企业",saved.at("/content/workExperiences/0/company").asText());
+    }
+
+    @Test void workExperienceTypeIsAccountScopedAndIncludedInDocx() throws Exception {
+        var c=content();c.getWorkExperiences().get(0).setExperienceType("INTERNSHIP");
+        var formal=new OnlineResumeContent.Work();formal.setCompany("正式企业");formal.setPosition("开发");
+        formal.setStartDate(LocalDate.of(2024,1,1));formal.setOngoing(true);formal.setExperienceType("FULL_TIME");c.getWorkExperiences().add(formal);
+        var unknown=new OnlineResumeContent.Work();unknown.setCompany("未分类企业");unknown.setPosition("开发");
+        unknown.setStartDate(LocalDate.of(2024,1,1));unknown.setOngoing(true);c.getWorkExperiences().add(unknown);
+        data(save(0,c));
+        User other=createUser(User.Role.STUDENT);
+        assertEquals(0,data(mvc.perform(get(PATH+"/work-experiences").header("Authorization",bearer(other)))).size());
+        byte[] bytes=mvc.perform(get(PATH+"/download").header("Authorization",token)).andExpect(status().isOk())
+                .andReturn().getResponse().getContentAsByteArray();
+        String xml=null;try(var zip=new ZipInputStream(new ByteArrayInputStream(bytes),StandardCharsets.UTF_8)) {
+            java.util.zip.ZipEntry e;while((e=zip.getNextEntry())!=null)if(e.getName().equals("word/document.xml"))xml=new String(zip.readAllBytes(),StandardCharsets.UTF_8);
+        }
+        assertNotNull(xml);assertTrue(xml.contains("实习"));assertTrue(xml.contains("正式工作"));assertTrue(xml.contains("类型未区分"));
+    }
+
+    @Test void runtimeContractDocumentsOptionalNullableWorkExperienceType() throws Exception {
+        JsonNode doc=mapper.readTree(mvc.perform(get("/v3/api-docs")).andExpect(status().isOk())
+                .andReturn().getResponse().getContentAsString(StandardCharsets.UTF_8));
+        JsonNode work=doc.at("/components/schemas/OnlineResumeWork");
+        JsonNode type=work.path("properties").path("experienceType");
+        Set<String> types=new HashSet<>();type.path("type").forEach(t->types.add(t.asText()));
+        assertEquals(Set.of("string","null"),types);
+        assertEquals("^(FULL_TIME|INTERNSHIP)$",type.path("pattern").asText());
+        assertTrue(type.path("description").asText().contains("未区分"));
+        work.path("required").forEach(required->assertNotEquals("experienceType",required.asText()));
+    }
+
+    private void assertUnclassified(JsonNode type) {
+        // 全局 NON_NULL 序列化可省略空字段；二者都不能被误认成 FULL_TIME。
+        assertTrue(type.isMissingNode() || type.isNull(), "未分类经历不得推断为正式工作或实习");
+    }
 }
diff --git a/mydreamjob-server/src/test/java/com/mydreamjob/preference/PreferenceServiceTest.java b/mydreamjob-server/src/test/java/com/mydreamjob/preference/PreferenceServiceTest.java
index 226b7f2..61c614c 100644
--- a/mydreamjob-server/src/test/java/com/mydreamjob/preference/PreferenceServiceTest.java
+++ b/mydreamjob-server/src/test/java/com/mydreamjob/preference/PreferenceServiceTest.java
@@ -36,6 +36,7 @@ class PreferenceServiceTest {
     /** R01-B/B1：角色授权已委托给公共 guard；此处以委托桩保持既有断言语义。 */
     @Mock
     private UserRoleGuard userRoleGuard;
+    @Mock private com.mydreamjob.onlineresume.OnlineResumeWriteGuard onlineResumeWriteGuard;
     @InjectMocks
     private PreferenceService preferenceService;
 
@@ -48,6 +49,8 @@ class PreferenceServiceTest {
     void setUp() {
         // R01-B/B1：让 guard 桩委托真实实现，保持既有 403/404 断言不变。
         UserRoleGuardTestSupport.delegateToRealGuard(userRoleGuard, userRepository);
+        lenient().when(preferenceRepository.lockByStudentUserId(any()))
+                .thenAnswer(inv -> preferenceRepository.findByStudentUserId(inv.getArgument(0)));
 
         pref = StudentPreference.builder()
                 .id(1L).studentUserId(STUDENT_ID)
@@ -163,6 +166,54 @@ class PreferenceServiceTest {
 
     // ── 薪资范围错误 ─────────────────────────────────────────
 
+    @Test
+    void partialSalaryMin_mustBeValidatedAgainstStoredMaximum_withoutPartialMutation() {
+        mockStudentRole(STUDENT_ID);
+        when(preferenceRepository.findByStudentUserId(STUDENT_ID)).thenReturn(Optional.of(pref));
+        StudentPreferenceRequest req = new StudentPreferenceRequest();
+        req.setExpectedSalaryMin(25000);
+        req.setPreferredCities(List.of("不应写入"));
+
+        BusinessException ex = assertThrows(BusinessException.class,
+                () -> preferenceService.savePreferences(STUDENT_ID, req));
+
+        assertEquals(ErrorCode.BAD_REQUEST.getCode(), ex.getErrorCodeInt());
+        assertEquals(10000, pref.getExpectedSalaryMin());
+        assertEquals(20000, pref.getExpectedSalaryMax());
+        assertEquals("[\"杭州\",\"上海\"]", pref.getPreferredCities());
+        verify(preferenceRepository, never()).save(any());
+        verifyNoInteractions(scoringRefreshRequestService);
+    }
+
+    @Test
+    void partialSalaryMax_mustBeValidatedAgainstStoredMinimum() {
+        mockStudentRole(STUDENT_ID);
+        when(preferenceRepository.findByStudentUserId(STUDENT_ID)).thenReturn(Optional.of(pref));
+        StudentPreferenceRequest req = new StudentPreferenceRequest();
+        req.setExpectedSalaryMax(5000);
+
+        BusinessException ex = assertThrows(BusinessException.class,
+                () -> preferenceService.savePreferences(STUDENT_ID, req));
+
+        assertEquals(ErrorCode.BAD_REQUEST.getCode(), ex.getErrorCodeInt());
+        assertEquals(20000, pref.getExpectedSalaryMax());
+        verify(preferenceRepository, never()).save(any());
+    }
+
+    @Test
+    void partialSalaryWithinStoredRange_isSavedInYuanWithoutGuessingUnits() {
+        mockStudentRole(STUDENT_ID);
+        when(preferenceRepository.findByStudentUserId(STUDENT_ID)).thenReturn(Optional.of(pref));
+        when(preferenceRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));
+        StudentPreferenceRequest req = new StudentPreferenceRequest();
+        req.setExpectedSalaryMin(500);
+
+        var result = preferenceService.savePreferences(STUDENT_ID, req);
+
+        assertEquals(500, result.get("expectedSalaryMin"));
+        assertEquals(20000, result.get("expectedSalaryMax"));
+    }
+
     @Test
     void savePreferences_salaryMinGreaterThanMax_shouldBeInvalid() {
         StudentPreferenceRequest req = buildRequest();
diff --git a/mydreamjob-server/src/test/java/com/mydreamjob/profile/ProfileServiceTest.java b/mydreamjob-server/src/test/java/com/mydreamjob/profile/ProfileServiceTest.java
index cdf4b80..e665c5f 100644
--- a/mydreamjob-server/src/test/java/com/mydreamjob/profile/ProfileServiceTest.java
+++ b/mydreamjob-server/src/test/java/com/mydreamjob/profile/ProfileServiceTest.java
@@ -30,6 +30,7 @@ class ProfileServiceTest {
      */
     @Mock
     private com.mydreamjob.security.UserRoleGuard userRoleGuard;
+    @Mock private com.mydreamjob.onlineresume.OnlineResumeWriteGuard onlineResumeWriteGuard;
 
     @InjectMocks
     private ProfileService profileService;
@@ -38,6 +39,8 @@ class ProfileServiceTest {
 
     @BeforeEach
     void setUp() {
+        lenient().when(profileRepository.lockByUserId(any()))
+                .thenAnswer(inv -> profileRepository.findByUserId(inv.getArgument(0)));
         profile = StudentProfile.builder()
                 .id(1L)
                 .userId(10L)
diff --git a/mydreamjob-server/src/test/java/com/mydreamjob/profile/ResumeOwnershipServiceTest.java b/mydreamjob-server/src/test/java/com/mydreamjob/profile/ResumeOwnershipServiceTest.java
index 2c1aca4..e897414 100644
--- a/mydreamjob-server/src/test/java/com/mydreamjob/profile/ResumeOwnershipServiceTest.java
+++ b/mydreamjob-server/src/test/java/com/mydreamjob/profile/ResumeOwnershipServiceTest.java
@@ -56,6 +56,7 @@ class ResumeOwnershipServiceTest {
     @Mock private UserRoleGuard userRoleGuard;
     @Mock private ChatResumeLifecycle chatResumeLifecycle;
     @Mock private CandidateScoringRefreshRequestService scoringRefreshRequestService;
+    @Mock private com.mydreamjob.onlineresume.OnlineResumeWriteGuard onlineResumeWriteGuard;
     @Spy private ResumeFileValidator resumeFileValidator = new ResumeFileValidator();
     @Spy private ResumeOwnershipVerifier resumeOwnershipVerifier = new ResumeOwnershipVerifier();
 
@@ -118,7 +119,7 @@ class ResumeOwnershipServiceTest {
         String existing = STUDENT + "_keep0001.pdf";
         StudentProfile profile = StudentProfile.builder()
                 .id(1L).userId(STUDENT).realName("张三").resumeUrl(existing).build();
-        when(profileRepository.findByUserId(STUDENT)).thenReturn(Optional.of(profile));
+        when(profileRepository.lockByUserId(STUDENT)).thenReturn(Optional.of(profile));
         when(profileRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));
 
         StudentProfile saved = profileService.updateProfile(STUDENT, request("李四"));