diff --git a/composeApp/src/commonMain/kotlin/moe/crx/overport/app/composables/PatcherScreen.kt b/composeApp/src/commonMain/kotlin/moe/crx/overport/app/composables/PatcherScreen.kt
index e18af47..e6ed3e0 100644
--- a/composeApp/src/commonMain/kotlin/moe/crx/overport/app/composables/PatcherScreen.kt
+++ b/composeApp/src/commonMain/kotlin/moe/crx/overport/app/composables/PatcherScreen.kt
@@ -101,6 +101,7 @@ fun PatcherScreen(
                         errorMessage =
                             getString(Res.string.cant_checkout_title) to getString(Res.string.cant_checkout_message)
                     } catch (ex: Throwable) {
+                        ex.printStackTrace()
                         viewModel.cancel()
                         errorMessage = getString(Res.string.unknown_error) to ex.stackTraceToString()
                     } finally {