location

src/app/pages/create-page/create-page.ts

@@ -245,22 +245,30 @@ export class CreatePage {
     this.http
       .post(`https://fastcheck.store/api/fastcheck/settings/${encodeURIComponent(id)}`, paidQr)
       .subscribe({
-        next: () => this.redirectToSource(),
-        error: () => this.redirectToSource()
+        next: () => this.redirectToSource(id),
+        error: () => this.redirectToSource(id)
       });
   }
 
-  private redirectToSource(): void {
+  private redirectToSource(id?: string): void {
+    const withId = (target: string): string => {
+      if (!id) return target;
+
+      const url = new URL(target, window.location.origin);
+      url.searchParams.set('id', id);
+      return url.toString();
+    };
+
     const alias = this.parentAlias.trim().toLowerCase();
     const fromAlias = this.parentRedirects[alias];
     if (fromAlias) {
-      window.location.href = fromAlias;
+      window.location.href = withId(fromAlias);
       return;
     }
 
     const referrer = document.referrer;
     if (referrer) {
-      window.location.href = referrer;
+      window.location.href = withId(referrer);
       return;
     }