From 60477143d92ec23d7eaaf67c1e43577cd1b96840 Mon Sep 17 00:00:00 2001
From: SevenEarth <391613297@qq.com>
Date: Mon, 3 Mar 2025 19:09:33 +0800
Subject: [PATCH 1/2] add

---
 tencentcloud/services/cos/resource_tc_cos_bucket.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tencentcloud/services/cos/resource_tc_cos_bucket.go b/tencentcloud/services/cos/resource_tc_cos_bucket.go
index f045493a1e..afd2aedf6c 100644
--- a/tencentcloud/services/cos/resource_tc_cos_bucket.go
+++ b/tencentcloud/services/cos/resource_tc_cos_bucket.go
@@ -1963,9 +1963,14 @@ func ACLBodyDiffFunc(olds, news string, d *schema.ResourceData) (result bool) {
 	newOwnerId := newOwner.SelectElement("ID")
 	newOwnerName := newOwner.SelectElement("DisplayName")
 
+	if oldOwnerId == nil || newOwnerId == nil {
+		log.Println("[CRITAL]oldOwnerId or newOwnerId is nil: return false.")
+		return false
+	}
+
 	// diff: Owner element
-	if oldOwnerId.Text() != newOwnerId.Text() || oldOwnerName.Text() != newOwnerName.Text() {
-		log.Printf("[CRITAL]OwnerId[old:%s, new:%s] or OwnerName[old:%s, new:%s] not equal: return false.\n", oldOwnerId.Text(), newOwnerId.Text(), oldOwnerName.Text(), newOwnerName.Text())
+	if oldOwnerId.Text() != newOwnerId.Text() {
+		log.Printf("[CRITAL]OwnerId[old:%s, new:%s] not equal: return false.\n", oldOwnerId.Text(), newOwnerId.Text())
 		return false
 	}
 

From 2d317cbe4dae8dbf1f05e7d212a274ee7cbec388 Mon Sep 17 00:00:00 2001
From: SevenEarth <391613297@qq.com>
Date: Mon, 3 Mar 2025 19:14:32 +0800
Subject: [PATCH 2/2] add

---
 .changelog/3177.txt | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 .changelog/3177.txt

diff --git a/.changelog/3177.txt b/.changelog/3177.txt
new file mode 100644
index 0000000000..215c1c0dca
--- /dev/null
+++ b/.changelog/3177.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_cos_bucket: optimize `acl_body` verification logic
+```