diff --git a/app/src/main/java/com/all/pdfreader/pro/app/room/dao/PdfDocumentDao.kt b/app/src/main/java/com/all/pdfreader/pro/app/room/dao/PdfDocumentDao.kt
index bbb3a3f..531a524 100644
--- a/app/src/main/java/com/all/pdfreader/pro/app/room/dao/PdfDocumentDao.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/room/dao/PdfDocumentDao.kt
@@ -9,7 +9,7 @@ interface PdfDocumentDao {
     
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun insertOrUpdate(document: PdfDocumentEntity)
-    
+    //@Update 不会响应flow
     @Update
     suspend fun update(document: PdfDocumentEntity)
     
@@ -37,6 +37,7 @@ interface PdfDocumentDao {
     @Query("DELETE FROM pdf_documents WHERE filePath = :filePath")
     suspend fun deleteByPath(filePath: String)
 
+    //@Query 会响应flow
     @Query("UPDATE pdf_documents SET filePath = :newFilePath, fileName = :newName WHERE filePath = :oldFilePath")
     suspend fun updateFilePathAndFileName(oldFilePath: String, newFilePath: String, newName: String)
 
diff --git a/app/src/main/java/com/all/pdfreader/pro/app/room/repository/PdfRepository.kt b/app/src/main/java/com/all/pdfreader/pro/app/room/repository/PdfRepository.kt
index 2135e3c..53edc6a 100644
--- a/app/src/main/java/com/all/pdfreader/pro/app/room/repository/PdfRepository.kt
+++ b/app/src/main/java/com/all/pdfreader/pro/app/room/repository/PdfRepository.kt
@@ -43,13 +43,6 @@ class PdfRepository private constructor(context: Context) {
         pdfDao.updateFilePathAndFileName(oldFilePath, newFilePath, newName)
     }
 
-//    suspend fun updateFilePathAndFileName(filePath: String, newFilePath: String, newName: String) {
-//        val document = pdfDao.getByPath(filePath)?.copy(
-//            filePath = newFilePath, fileName = newName
-//        )
-//        document?.let { pdfDao.update(it) }
-//    }
-
     suspend fun updateFavoriteStatus(filePath: String, isFavorite: Boolean) {
         val document = pdfDao.getByPath(filePath)?.copy(
             isFavorite = isFavorite,