diff --git a/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt b/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
index 263af2d83..30e32e364 100644
--- a/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/source/BookSourceExtensions.kt
@@ -71,7 +71,8 @@ suspend fun BookSource.exploreKinds(): List<ExploreKind> {
 
 suspend fun BookSource.clearExploreKindsCache() {
     withContext(Dispatchers.IO) {
-        aCache.remove(bookSourceUrl)
+        val exploreKindsKey = getExploreKindsKey()
+        aCache.remove(exploreKindsKey)
         exploreKindsMap.remove(getExploreKindsKey())
     }
 }
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