diff --git a/choose.sh b/choose.sh
index 3229667..e161cec 100644
--- a/choose.sh
+++ b/choose.sh
@@ -60,23 +60,49 @@ do
 done
 
 # 从use/use.txt文件中读取IP地址，并使用Cloudflare API更新DNS记录
+# 使用Cloudflare API获取子域名的所有A记录
+records=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records?type=A&name=${SUBDOMAIN}" \
+-H "X-Auth-Email: ${EMAIL}" \
+-H "X-Auth-Key: ${API_KEY}" \
+-H "Content-Type: application/json")
+
+# 从返回值中提取出所有A记录的ID
+record_ids=$(echo "$records" | jq -r '.result[].id')
+
+# 遍历所有A记录的ID，并使用Cloudflare API删除DNS记录
+for record_id in $record_ids
+do
+    response=$(curl -s -X DELETE "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records/${record_id}" \
+    -H "X-Auth-Email: ${EMAIL}" \
+    -H "X-Auth-Key: ${API_KEY}" \
+    -H "Content-Type: application/json")
+
+    if echo "$response" | grep -q '"success":true'; then
+        echo "DNS record with ID $record_id deleted successfully"
+    else
+        echo "Failed to delete DNS record with ID $record_id"
+    fi
+done
+
+# 从use/use.txt文件中读取IP地址，并使用Cloudflare API添加DNS记录
 while IFS= read -r ip
 do
-    # 使用Cloudflare API更新DNS记录
-    response=$(curl -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records" \
+    # 使用Cloudflare API添加DNS记录
+    response=$(curl -s -X POST "https://api.cloudflare.com/client/v4/zones/${ZONE_ID}/dns_records" \
     -H "X-Auth-Email: ${EMAIL}" \
     -H "X-Auth-Key: ${API_KEY}" \
     -H "Content-Type: application/json" \
-    --data '{"type":"A","name":"'${SUBDOMAIN}'","content":"'${ip}'","ttl":'${TTL}',"proxied":false}' 2>/dev/null)
+    --data '{"type":"A","name":"'${SUBDOMAIN}'","content":"'${ip}'","ttl":'${TTL}',"proxied":false}')
 
     # 检查返回值中的success字段是否为true
     if echo "$response" | grep -q '"success":true'; then
-        echo "IP $ip added successfully"
+        echo "DNS record for IP $ip added successfully"
     else
-        echo "IP $ip failed to add"
+        echo "Failed to add DNS record for IP $ip"
     fi
 done < use/use.txt
 
+
 # 删除iplist文件夹
 cd .. && rm -rf iplist || { echo "Remove iplist folder failed"; exit 1; }