diff --git a/app/src/main/java/com/hippo/ehviewer/spider/SpiderInfo.kt b/app/src/main/java/com/hippo/ehviewer/spider/SpiderInfo.kt
index d4ea01f75a..de8ec79526 100644
--- a/app/src/main/java/com/hippo/ehviewer/spider/SpiderInfo.kt
+++ b/app/src/main/java/com/hippo/ehviewer/spider/SpiderInfo.kt
@@ -41,7 +41,7 @@ fun SpiderInfo.write(file: UniFile) {
 suspend fun SpiderInfo.saveToCache() {
     runSuspendCatching {
         spiderInfoCache.edit(gid.toString()) {
-            data.toFile().writeBytes(Cbor.encodeToByteArray(this))
+            data.toFile().writeBytes(Cbor.encodeToByteArray(this@saveToCache))
         }
     }.onFailure {
         it.printStackTrace()