diff --git a/.changelog/3160.txt b/.changelog/3160.txt
new file mode 100644
index 0000000000..cf8d5692a5
--- /dev/null
+++ b/.changelog/3160.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_redis_instance: Optimize the change issue of the `replica_zone_ids` field in a single availability zone.
+```
\ No newline at end of file
diff --git a/tencentcloud/services/crs/resource_tc_redis_instance.go b/tencentcloud/services/crs/resource_tc_redis_instance.go
index 42772c0866..13468b94f3 100644
--- a/tencentcloud/services/crs/resource_tc_redis_instance.go
+++ b/tencentcloud/services/crs/resource_tc_redis_instance.go
@@ -641,7 +641,7 @@ func resourceTencentCloudRedisInstanceRead(d *schema.ResourceData, meta interfac
 		}
 	}
 
-	if info.NodeSet != nil {
+	if info.NodeSet != nil && len(info.NodeSet) > 0 {
 		var zoneIds []int
 		var nodeInfos []interface{}
 		for i := range info.NodeSet {
@@ -670,6 +670,20 @@ func resourceTencentCloudRedisInstanceRead(d *schema.ResourceData, meta interfac
 		if !zoneIdsEqual {
 			_ = d.Set("replica_zone_ids", zoneIds)
 		}
+
+		if replicaZonesOk && zoneIdsEqual {
+			zoneIds := helper.InterfacesIntegers(replicaZones.([]interface{}))
+			zoneIsSet := true
+			for _, v := range zoneIds {
+				if v != int(*info.ZoneId) {
+					zoneIsSet = false
+					break
+				}
+			}
+			if zoneIsSet {
+				_ = d.Set("replica_zone_ids", replicaZones)
+			}
+		}
 	}
 	//internal version: replace resourceTag begin, please do not modify this annotation and refrain from inserting any code between the beginning and end lines of the annotation.
 	tcClient := meta.(tccommon.ProviderMeta).GetAPIV3Conn()