diff --git a/lesingle-aicreate-client/src/views/EditInfo.vue b/lesingle-aicreate-client/src/views/EditInfo.vue
index 9731ab3..5f5b9b4 100644
--- a/lesingle-aicreate-client/src/views/EditInfo.vue
+++ b/lesingle-aicreate-client/src/views/EditInfo.vue
@@ -195,15 +195,6 @@ async function handleSave() {
     store.workDetail = null  // 清除缓存
     router.push(`/dubbing/${workId.value}`)
   } catch (e) {
-    // 容错：保存报错时检查实际状态，可能已经成功但重试导致CAS失败
-    try {
-      const check = await getWorkDetail(workId.value)
-      if (check?.data?.status >= 4) {
-        store.workDetail = null
-        router.push(`/dubbing/${workId.value}`)
-        return
-      }
-    } catch { /* ignore */ }
     alert(e.message || '保存失败，请重试')
   } finally {
     saving.value = false
diff --git a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/controller/LeaiProxyController.java b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/controller/LeaiProxyController.java
index d82bd35..11fc46e 100644
--- a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/controller/LeaiProxyController.java
+++ b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/controller/LeaiProxyController.java
@@ -122,6 +122,7 @@ public class LeaiProxyController {
     /**
      * 查询作品详情
      * GET /leai-proxy/work/{id} → 乐读派 /api/v1/query/work/{id}
+     * 合并本地 DB 元数据，确保二次编目后的修改不丢失
      */
     @GetMapping("/work/{id}")
     @Operation(summary = "查询作品详情代理")
@@ -130,7 +131,10 @@ public class LeaiProxyController {
         params.put("orgId", leaiConfig.getOrgId());
         params.put("phone", getPhoneOrThrow());
         log.info("[乐读派代理] 查询作品详情, workId={}", id);
-        return jsonOk(leaiApiClient.proxyGet("/query/work/" + id, params));
+        String responseBody = leaiApiClient.proxyGet("/query/work/" + id, params);
+        // 合并本地元数据（二次编目后 LeAI 可能返回旧数据，用本地 DB 覆盖）
+        responseBody = leaiSyncService.mergeLocalMetadata(id, responseBody);
+        return jsonOk(responseBody);
     }
 
     /**
@@ -160,6 +164,7 @@ public class LeaiProxyController {
         body.putAll(requestBody);
         log.info("[乐读派代理] 编辑作品, workId={}", id);
         String responseBody = leaiApiClient.proxyPut("/update/work/" + id, body);
+        log.debug("[乐读派代理] 编辑作品响应, workId={}, response={}", id, responseBody);
         syncLocalAfterLeaiUpdate(id, responseBody, requestBody);
         return jsonOk(responseBody);
     }
diff --git a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/ILeaiSyncService.java b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/ILeaiSyncService.java
index ff744d9..25adddf 100644
--- a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/ILeaiSyncService.java
+++ b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/ILeaiSyncService.java
@@ -31,4 +31,14 @@ public interface ILeaiSyncService {
      * @param proxyRequestBody 前端传入的 JSON（通常含 author、subtitle、intro、tags 等，不含 orgId/phone）
      */
     void applyLocalMetadataFromProxyPut(String remoteWorkId, Map<String, Object> proxyRequestBody);
+
+    /**
+     * 将本地 DB 中已保存的元数据（author、description）合并到 LeAI B2 响应 JSON 中，
+     * 避免二次编目后 LeAI 返回旧数据覆盖用户的本地编辑。
+     *
+     * @param remoteWorkId 乐读派作品 ID
+     * @param leaiResponse LeAI B2 接口返回的原始 JSON 字符串
+     * @return 合并本地元数据后的 JSON 字符串
+     */
+    String mergeLocalMetadata(String remoteWorkId, String leaiResponse);
 }
diff --git a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/LeaiSyncService.java b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/LeaiSyncService.java
index 8437d87..8ec8e8c 100644
--- a/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/LeaiSyncService.java
+++ b/lesingle-creation-backend/src/main/java/com/lesingle/modules/leai/service/LeaiSyncService.java
@@ -2,6 +2,8 @@ package com.lesingle.modules.leai.service;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.lesingle.common.enums.Visibility;
 import com.lesingle.modules.leai.enums.LeaiCreationStatus;
 import com.lesingle.modules.leai.util.LeaiUtil;
@@ -35,6 +37,7 @@ public class LeaiSyncService implements ILeaiSyncService {
     private final UgcWorkPageMapper ugcWorkPageMapper;
     private final LeaiApiClient leaiApiClient;
     private final SysUserMapper sysUserMapper;
+    private final ObjectMapper objectMapper;
 
     /**
      * V4.0 核心同步逻辑
@@ -424,6 +427,7 @@ public class LeaiSyncService implements ILeaiSyncService {
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void applyLocalMetadataFromProxyPut(String remoteWorkId, Map<String, Object> proxyRequestBody) {
         if (remoteWorkId == null || remoteWorkId.isEmpty() || proxyRequestBody == null || proxyRequestBody.isEmpty()) {
             return;
@@ -435,6 +439,13 @@ public class LeaiSyncService implements ILeaiSyncService {
         LambdaUpdateWrapper<UgcWork> wrapper = new LambdaUpdateWrapper<>();
         wrapper.eq(UgcWork::getId, work.getId());
         boolean any = false;
+
+        // 用于存储 subtitle/intro/tags 到 ai_meta，供 mergeLocalMetadata 精确读取
+        Map<String, Object> aiMetaMap = new HashMap<>();
+        if (work.getAiMeta() instanceof Map) {
+            aiMetaMap.putAll((Map<String, Object>) work.getAiMeta());
+        }
+
         if (proxyRequestBody.containsKey("author")) {
             wrapper.set(UgcWork::getAuthorName, LeaiUtil.toString(proxyRequestBody.get("author"), null));
             any = true;
@@ -460,11 +471,28 @@ public class LeaiSyncService implements ILeaiSyncService {
             }
             desc = desc.trim();
             wrapper.set(UgcWork::getDescription, desc.isEmpty() ? null : desc);
+            // 精确存储 subtitle/intro 到 ai_meta，避免 description 反拆分丢失信息
+            aiMetaMap.put("_subtitle", sub);
+            aiMetaMap.put("_intro", intro);
             any = true;
         }
+        if (proxyRequestBody.containsKey("tags")) {
+            Object tags = proxyRequestBody.get("tags");
+            if (tags instanceof List) {
+                aiMetaMap.put("_tags", tags);
+                any = true;
+            }
+        }
         if (!any) {
             return;
         }
+        // LambdaUpdateWrapper.set() 不会自动应用 JacksonTypeHandler，
+        // 需要手动序列化为 JSON 字符串，否则 Map 会以 Java toString 格式存入 DB
+        try {
+            wrapper.set(UgcWork::getAiMeta, objectMapper.writeValueAsString(aiMetaMap));
+        } catch (Exception e) {
+            log.warn("[ProxyPut] ai_meta 序列化失败，跳过 ai_meta 写入: remoteWorkId={}", remoteWorkId, e);
+        }
         wrapper.set(UgcWork::getModifyTime, LocalDateTime.now());
         ugcWorkMapper.update(null, wrapper);
         log.info("[ProxyPut] 本地元数据已覆盖 remoteWorkId={}", remoteWorkId);
@@ -490,4 +518,112 @@ public class LeaiSyncService implements ILeaiSyncService {
         SysUser user = sysUserMapper.selectOne(wrapper);
         return user != null ? user.getId() : null;
     }
+
+    /**
+     * 将本地 DB 中已保存的元数据（author、subtitle/intro、title、tags）合并到 LeAI B2 响应 JSON 中，
+     * 避免二次编目后 LeAI 返回旧数据覆盖用户的本地编辑。
+     * <p>
+     * 场景：用户在 DUBBED(5) 状态下再次编辑绘本信息 → applyLocalMetadataFromProxyPut 已将新数据
+     * 写入本地 DB → 但前端 loadWork() 通过 getWorkDetail 从 LeAI 拉取数据时拿到旧值。
+     * 此方法在代理层将本地 DB 的元数据覆盖回 LeAI 响应，确保前端看到最新编辑。
+     */
+    @Override
+    @SuppressWarnings("unchecked")
+    public String mergeLocalMetadata(String remoteWorkId, String leaiResponse) {
+        if (remoteWorkId == null || remoteWorkId.isEmpty() || leaiResponse == null || leaiResponse.isEmpty()) {
+            return leaiResponse;
+        }
+        UgcWork localWork = findByRemoteWorkId(remoteWorkId);
+        if (localWork == null) {
+            return leaiResponse;
+        }
+
+        try {
+            Map<String, Object> root = objectMapper.readValue(leaiResponse, new TypeReference<Map<String, Object>>() {});
+            // 定位实际的作品数据对象（可能在 root.data 中，也可能直接就是 root）
+            Map<String, Object> data = (Map<String, Object>) root.get("data");
+            if (data == null) {
+                // 没有 data 包装层，直接用 root（说明已经是作品对象）
+                data = root;
+            }
+
+            boolean localUpdated = false;
+
+            // 1. 覆盖 author
+            if (localWork.getAuthorName() != null && !localWork.getAuthorName().isEmpty()) {
+                String remoteAuthor = LeaiUtil.toString(data.get("author"), null);
+                if (!localWork.getAuthorName().equals(remoteAuthor)) {
+                    data.put("author", localWork.getAuthorName());
+                    localUpdated = true;
+                }
+            }
+
+            // 2. 覆盖 title
+            if (localWork.getTitle() != null && !localWork.getTitle().isEmpty()) {
+                String remoteTitle = LeaiUtil.toString(data.get("title"), null);
+                if (!localWork.getTitle().equals(remoteTitle)) {
+                    data.put("title", localWork.getTitle());
+                    localUpdated = true;
+                }
+            }
+
+            // 3. 覆盖 subtitle/intro：优先从 ai_meta 精确读取，兜底用 description 反拆分
+            String localSubtitle = null;
+            String localIntro = null;
+            if (localWork.getAiMeta() instanceof Map) {
+                Map<String, Object> metaMap = (Map<String, Object>) localWork.getAiMeta();
+                if (metaMap.containsKey("_subtitle")) {
+                    localSubtitle = LeaiUtil.toString(metaMap.get("_subtitle"), "");
+                }
+                if (metaMap.containsKey("_intro")) {
+                    localIntro = LeaiUtil.toString(metaMap.get("_intro"), "");
+                }
+            }
+            // 兜底：ai_meta 中没有精确值时，从 description 反拆分
+            if (localSubtitle == null && localIntro == null
+                    && localWork.getDescription() != null && !localWork.getDescription().isEmpty()) {
+                String desc = localWork.getDescription();
+                int newlineIdx = desc.indexOf('\n');
+                if (newlineIdx >= 0) {
+                    localSubtitle = desc.substring(0, newlineIdx);
+                    localIntro = desc.substring(newlineIdx + 1);
+                } else {
+                    localIntro = desc;
+                }
+            }
+            if (localSubtitle != null) {
+                String remoteSubtitle = LeaiUtil.toString(data.get("subtitle"), "");
+                if (!localSubtitle.equals(remoteSubtitle)) {
+                    data.put("subtitle", localSubtitle);
+                    localUpdated = true;
+                }
+            }
+            if (localIntro != null) {
+                String remoteIntro = LeaiUtil.toString(data.get("intro"), "");
+                if (!localIntro.equals(remoteIntro)) {
+                    data.put("intro", localIntro);
+                    localUpdated = true;
+                }
+            }
+
+            // 4. 覆盖 tags：从 ai_meta 读取
+            if (localWork.getAiMeta() instanceof Map) {
+                Map<String, Object> metaMap = (Map<String, Object>) localWork.getAiMeta();
+                if (metaMap.containsKey("_tags") && metaMap.get("_tags") instanceof List) {
+                    List<Object> localTags = (List<Object>) metaMap.get("_tags");
+                    data.put("tags", localTags);
+                    localUpdated = true;
+                }
+            }
+
+            if (localUpdated) {
+                log.info("[合并元数据] 本地元数据已覆盖LeAI响应 remoteWorkId={}", remoteWorkId);
+                return objectMapper.writeValueAsString(root);
+            }
+            return leaiResponse;
+        } catch (Exception e) {
+            log.warn("[合并元数据] 解析LeAI响应失败，返回原始数据: remoteWorkId={}", remoteWorkId, e);
+            return leaiResponse;
+        }
+    }
 }
diff --git a/lesingle-creation-frontend/src/views/public/create/views/EditInfoView.vue b/lesingle-creation-frontend/src/views/public/create/views/EditInfoView.vue
index 2fda880..ac03897 100644
--- a/lesingle-creation-frontend/src/views/public/create/views/EditInfoView.vue
+++ b/lesingle-creation-frontend/src/views/public/create/views/EditInfoView.vue
@@ -257,11 +257,6 @@ async function saveFormToServer() {
     }
     return true
   } catch (e) {
-    // 容错：保存报错时检查实际状态，可能已经成功但重试导致 CAS 失败
-    try {
-      const check = await getWorkDetail(resolvedWorkIdStr())
-      if (check?.status >= 4) return true
-    } catch { /* ignore */ }
     message.error(e.message || '保存失败，请重试')
     return false
   }