And balance retry times

app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderQueen.kt

@@ -576,7 +576,7 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
             var forceHtml = false
             val original = Settings.downloadOriginImage || orgImg
             runSuspendCatching {
-                repeat(2) { retries ->
+                repeat(3) { retries ->
                     var imageUrl: String? = null
                     var localShowKey: String?