diff --git a/src/scripts/app.ts b/src/scripts/app.ts
index 31d2ba1ccb..bbef80cb4e 100644
--- a/src/scripts/app.ts
+++ b/src/scripts/app.ts
@@ -669,13 +669,15 @@ export class ComfyApp {
     api.addEventListener('execution_error', ({ detail }) => {
       // Check if this is an auth-related error or credits-related error
       if (
-        detail.exception_message ===
-        'Unauthorized: Please login first to use this node.'
+        detail.exception_message?.includes(
+          'Unauthorized: Please login first to use this node.'
+        )
       ) {
         useDialogService().showApiNodesSignInDialog([detail.node_type])
       } else if (
-        detail.exception_message ===
-        'Payment Required: Please add credits to your account to use this node.'
+        detail.exception_message?.includes(
+          'Payment Required: Please add credits to your account to use this node.'
+        )
       ) {
         useDialogService().showTopUpCreditsDialog({
           isInsufficientCredits: true