From 3a3aefa64e0b1550f7f62c224e2d643c0f8ccb26 Mon Sep 17 00:00:00 2001
From: JounQin <admin@1stg.me>
Date: Tue, 8 Aug 2023 17:47:39 +0800
Subject: [PATCH] fix(back-top): should prefer custom target (#490)

---
 .changeset/rich-dots-divide.md     | 5 +++++
 src/back-top/back-top.component.ts | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/rich-dots-divide.md

diff --git a/.changeset/rich-dots-divide.md b/.changeset/rich-dots-divide.md
new file mode 100644
index 000000000..4f59d9524
--- /dev/null
+++ b/.changeset/rich-dots-divide.md
@@ -0,0 +1,5 @@
+---
+"@alauda/ui": patch
+---
+
+fix(back-top): should prefer custom target
diff --git a/src/back-top/back-top.component.ts b/src/back-top/back-top.component.ts
index be37d0123..38c0f52a1 100644
--- a/src/back-top/back-top.component.ts
+++ b/src/back-top/back-top.component.ts
@@ -115,7 +115,7 @@ export class BackTopComponent {
 
   getTarget(target: TargetType): Element | Window {
     const scrollTarget =
-      (typeof target === 'string' && document.querySelector(target)) ||
+      (typeof target === 'string' ? document.querySelector(target) : target) ||
       this.cdkScrollable?.getElementRef().nativeElement ||
       window;
     this._scrollTarget = scrollTarget;