diff --git a/app/src/main/java/io/legado/app/data/entities/BookSource.kt b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
index f3c38aaec..e6371ac79 100644
--- a/app/src/main/java/io/legado/app/data/entities/BookSource.kt
+++ b/app/src/main/java/io/legado/app/data/entities/BookSource.kt
@@ -95,10 +95,12 @@ data class BookSource(
 
     @Ignore
     @IgnoredOnParcel
+    @Transient
     private var exploreKinds: List<ExploreKind>? = null
 
     @Ignore
     @IgnoredOnParcel
+    @Transient
     private val mutex = Mutex()
 
     suspend fun exploreKinds(): List<ExploreKind> {
diff --git a/app/src/main/java/io/legado/app/service/WebService.kt b/app/src/main/java/io/legado/app/service/WebService.kt
index 2b25c8d88..c18c95f82 100644
--- a/app/src/main/java/io/legado/app/service/WebService.kt
+++ b/app/src/main/java/io/legado/app/service/WebService.kt
@@ -111,6 +111,7 @@ class WebService : BaseService() {
                 stopSelf()
             }
         } else {
+            toastOnUi("web service cant start, no ip address")
             stopSelf()
         }
     }