diff --git a/app/src/main/java/io/legado/app/help/http/BackstageWebView.kt b/app/src/main/java/io/legado/app/help/http/BackstageWebView.kt
index bfcb5dae7..9fedea7fa 100644
--- a/app/src/main/java/io/legado/app/help/http/BackstageWebView.kt
+++ b/app/src/main/java/io/legado/app/help/http/BackstageWebView.kt
@@ -35,7 +35,9 @@ class BackstageWebView(
 
     suspend fun getStrResponse(): StrResponse = suspendCancellableCoroutine { block ->
         block.invokeOnCancellation {
-            destroy()
+            runOnUI {
+                destroy()
+            }
         }
         callback = object : BackstageWebView.Callback() {
             override fun onResult(response: StrResponse) {