diff --git a/app/src/main/java/io/legado/app/data/dao/BookDao.kt b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
index 266dc4c48..a9478d2e8 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
@@ -101,7 +101,7 @@ interface BookDao {
     @Query("select 1 from books where bookUrl = :bookUrl")
     fun has(bookUrl: String): Boolean?
 
-    @Query("select 1 from books where originName = :fileName or origin like ${BookType.localTag} || '::' || :fileName")
+    @Query("select 1 from books where originName = :fileName or origin = ${BookType.localTag} || '::' || :fileName")
     fun hasFile(fileName: String): Boolean?
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
diff --git a/app/src/main/java/io/legado/app/utils/UrlUtil.kt b/app/src/main/java/io/legado/app/utils/UrlUtil.kt
index 1fcfd5dc0..1a1f21bd7 100644
--- a/app/src/main/java/io/legado/app/utils/UrlUtil.kt
+++ b/app/src/main/java/io/legado/app/utils/UrlUtil.kt
@@ -82,7 +82,7 @@ object UrlUtil {
             val headersString = buildString {
                 headers.forEach { (key, value) ->
                    value.forEach {
-                       append(key ? "HEAD ${url.toString}")
+                       append(key ?: "HEAD ${url.toString}")
                        append(": ")
                        append(it)
                        append("\n")