diff --git a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/controller/AihrMobileController.java b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/controller/AihrMobileController.java
index 36d54e15..6b3b332a 100644
--- a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/controller/AihrMobileController.java
+++ b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/controller/AihrMobileController.java
@@ -119,6 +119,16 @@ public class AihrMobileController {
 
     @GetMapping("/oss/{ossId}")
     public void oss(@PathVariable Long ossId, HttpServletResponse response) throws IOException {
+        LoginUser loginUser = LoginHelper.getLoginUser();
+        if (loginUser == null) {
+            response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
+            return;
+        }
+        if (UserType.APP_USER.getUserType().equals(loginUser.getUserType())
+            && !mobileSeedService.canReadPracticeAudio(ossId, currentAppUsername())) {
+            response.sendError(HttpServletResponse.SC_FORBIDDEN, "无权访问该录音");
+            return;
+        }
         ossService.download(ossId, response);
     }
 
diff --git a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrMobileSeedService.java b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrMobileSeedService.java
index 6ced84bb..0343ee4d 100644
--- a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrMobileSeedService.java
+++ b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrMobileSeedService.java
@@ -88,6 +88,10 @@ public class AihrMobileSeedService {
         return practiceSeedService.historyDetail(id, extPartyId);
     }
 
+    public boolean canReadPracticeAudio(Long ossId, String identity) {
+        return practiceSeedService.canReadPracticeAudio(ossId, identity);
+    }
+
     public boolean markReviewed(Long id) {
         return markReviewed(id, null);
     }
diff --git a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java
index 4fd694e8..a58d0033 100644
--- a/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java
+++ b/backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java
@@ -1221,6 +1221,22 @@ public class AihrPracticeSeedService {
         return detail == null || isBlank(extPartyId) || !extPartyId.equals(reviewExtPartyId(id)) ? null : detail;
     }
 
+    public boolean canReadPracticeAudio(Long ossId, String identity) {
+        ensureAudioTable();
+        if (ossId == null || isBlank(identity)) {
+            return false;
+        }
+        List<String> sessionParties = jdbcTemplate.query("""
+            SELECT s.ext_party_id
+            FROM aihr_practice_audio a
+            JOIN aihr_practice_session s
+              ON s.tenant_id = a.tenant_id AND s.session_id = a.session_id
+            WHERE a.tenant_id = ? AND a.oss_id = ? AND s.mode = 'mobile'
+            """, (rs, rowNum) -> rs.getString("ext_party_id"), TENANT_ID, ossId);
+        String owner = identity.trim();
+        return sessionParties.stream().anyMatch(party -> owner.equals(party) || inTeamScope(owner, party));
+    }
+
     @Transactional(rollbackFor = Exception.class)
     public boolean markReviewed(Long id) {
         return markReviewed(id, null);