diff --git a/libsearch/index/ai-indexer.cpp b/libsearch/index/ai-indexer.cpp
index 8abed40..cd6056a 100644
--- a/libsearch/index/ai-indexer.cpp
+++ b/libsearch/index/ai-indexer.cpp
@@ -151,4 +151,18 @@ bool AiIndexer::getAllIndexedFiles(QJsonObject &object)
     return false;
 }
 
+bool AiIndexer::update(const QJsonArray &object)
+{
+    if(!AiIndexerPrivate::m_sessionValid) {
+        return false;
+    }
+    DataManagementResult result = data_management_update_files_content(AiIndexerPrivate::m_session, QJsonDocument(object).toJson().data());
+    if(result != DataManagementResult::DATA_MANAGEMENT_SUCCESS) {
+        qWarning() << "Fail to call data_management_update_files_content, input: " << QJsonDocument(object).toJson().data()
+                   << "result:" << result;
+        return false;
+    }
+    return true;
+}
+
 } // UkuiSearch
\ No newline at end of file
diff --git a/libsearch/index/ai-indexer.h b/libsearch/index/ai-indexer.h
index b825f1d..f665c26 100644
--- a/libsearch/index/ai-indexer.h
+++ b/libsearch/index/ai-indexer.h
@@ -36,6 +36,7 @@ public:
     bool addImageFileIndex(const QJsonArray &object);
     bool deleteFileIndex(const QStringList &files);
     bool getAllIndexedFiles(QJsonObject &object);
+    bool update(const QJsonArray &object);
 
 private:
     bool destroySession();
diff --git a/libsearch/index/batch-indexer.cpp b/libsearch/index/batch-indexer.cpp
index d215c97..195be23 100644
--- a/libsearch/index/batch-indexer.cpp
+++ b/libsearch/index/batch-indexer.cpp
@@ -409,6 +409,7 @@ void BatchIndexer::aiIndex()
     }
     QJsonObject filesNeedAiIndex;
     QJsonObject imagesNeedAiIndex;
+    QJsonObject filesNeedUpdate;
     QFileInfo info;
     if (m_mode == WorkMode::Add) {
         for (const QString &path: m_cache) {
@@ -441,18 +442,28 @@ void BatchIndexer::aiIndex()
                 }
                 QString type;
                 if (FileIndexerConfig::getInstance()->aiIndexFileTarget()[info.suffix()]) {
-                    if(indexTimes.value(path).toInt() != info.lastModified().toSecsSinceEpoch()) {
+                    int modifiedTime = indexTimes.value(path).toInt(0);
+                    if(modifiedTime != info.lastModified().toSecsSinceEpoch()) {
                         if(indexer.checkFileSupported(path, type)) {
-                            filesNeedAiIndex.insert(path, type);
+                            if(modifiedTime) {
+                                filesNeedUpdate.insert(path, type); //修改时间不为空时执行更新
+                            } else {
+                                filesNeedAiIndex.insert(path, type);
+                            }
                             indexTimes.remove(path);
                         }
                     } else {
                         indexTimes.remove(path);
                     }
                 } else if (FileIndexerConfig::getInstance()->aiIndexImageTarget()[info.suffix()]) {
-                    if(indexTimes.value(path).toInt() != info.lastModified().toSecsSinceEpoch()) {
+                    int modifiedTime = indexTimes.value(path).toInt(0);
+                    if(modifiedTime != info.lastModified().toSecsSinceEpoch()) {
                         if(indexer.checkFileSupported(path, type)) {
-                            imagesNeedAiIndex.insert(path, type);
+                            if(modifiedTime) {
+                                filesNeedUpdate.insert(path, type); //修改时间不为空时执行更新
+                            } else {
+                                imagesNeedAiIndex.insert(path, type);
+                            }
                             indexTimes.remove(path);
                         }
                     } else {
@@ -467,7 +478,7 @@ void BatchIndexer::aiIndex()
         }
 
     }
-    uint allSize = filesNeedAiIndex.size() + imagesNeedAiIndex.size();
+    uint allSize = filesNeedAiIndex.size() + imagesNeedAiIndex.size() + filesNeedUpdate.size();
     qDebug() << allSize << "files need ai index.";
     Q_EMIT progress(IndexType::Ai, allSize, 0);
 
@@ -504,5 +515,6 @@ void BatchIndexer::aiIndex()
     };
     creatIndex(&AiIndexer::addImageFileIndex, imagesNeedAiIndex);
     creatIndex(&AiIndexer::addTextFileIndex, filesNeedAiIndex);
+    creatIndex(&AiIndexer::update, filesNeedUpdate);
 
 }
\ No newline at end of file
diff --git a/libsearch/index/index-updater.cpp b/libsearch/index/index-updater.cpp
index 2b67257..8adbca9 100644
--- a/libsearch/index/index-updater.cpp
+++ b/libsearch/index/index-updater.cpp
@@ -245,6 +245,8 @@ void IndexUpdater::updateAiIndex()
                     qDebug() << "| remove:" <<file.path();
                     indexer.deleteFileIndex({file.path()});
                 }
+            } else if(file.isModified()) {
+                update(&AiIndexer::update);
             } else if(FileIndexerConfig::getInstance()->aiIndexFileTarget()[suffix] && !file.isDir()) {
                 update(&AiIndexer::addTextFileIndex);
             } else if (FileIndexerConfig::getInstance()->aiIndexImageTarget()[suffix] && !file.isDir()) {