diff --git a/IP_region_query/ipquery b/IP_region_query/ipquery
index 5cdb2d5..b9767ff 100644
Binary files a/IP_region_query/ipquery and b/IP_region_query/ipquery differ
diff --git a/IP_region_query/main.go b/IP_region_query/main.go
index 749c4a6..540dd32 100644
--- a/IP_region_query/main.go
+++ b/IP_region_query/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"bytes"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -36,6 +35,32 @@ func isValidIP(ip string) bool {
 	return net.ParseIP(ip) != nil
 }
 
+func SaveBytesToFile(data []byte, filename string, syncToDisk bool) error {
+	if filename == "" {
+		return fmt.Errorf("filename cannot be empty")
+	}
+
+	file, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0600)
+	if err != nil {
+		return fmt.Errorf("failed to open file %q: %w", filename, err)
+	}
+	defer file.Close()
+
+	_, err = file.Write(data)
+	if err != nil {
+		return fmt.Errorf("failed to write to file %q: %w", filename, err)
+	}
+
+	if syncToDisk {
+		err = file.Sync()
+		if err != nil {
+			return fmt.Errorf("failed to sync data to disk for file %q: %w", filename, err)
+		}
+	}
+
+	return nil
+}
+
 func main() {
 	var (
 		err      error
@@ -105,11 +130,11 @@ func main() {
 	if err != nil {
 		log.Fatalf("读取响应体时出错: %v", err)
 	}
-	// 使用 bytes.Buffer 拼接 []byte 和字符串
-	var buffer bytes.Buffer
-	buffer.Write(HTTP_BODY)
-	buffer.WriteString("\n")
-	SaveBytesToFile(buffer.Bytes(), "response.json")
+
+	// 保存响应体到文件（可选）
+	if err := SaveBytesToFile(append(HTTP_BODY, '\n'), "response.json", true); err != nil {
+		log.Printf("failed to save HTTP response to file: %v", err)
+	}
 
 	// 解析 JSON 数据
 	err = json.Unmarshal(HTTP_BODY, &HTPP_JSON)
@@ -124,24 +149,3 @@ func main() {
 		fmt.Printf("Error!\n")
 	}
 }
-
-func SaveBytesToFile(data []byte, filename string) error {
-	file, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-	if err != nil {
-		return fmt.Errorf("failed to open file: %w", err)
-	}
-	defer file.Close()
-
-	_, err = file.Write(data)
-	if err != nil {
-		return fmt.Errorf("failed to write to file: %w", err)
-	}
-
-	// 如果你想要在每次写入后立即同步数据到磁盘（可选）
-	err = file.Sync()
-	if err != nil {
-		return fmt.Errorf("failed to sync data to disk: %w", err)
-	}
-
-	return nil
-}
diff --git a/IP_region_query/response.json b/IP_region_query/response.json
index 6c93d86..092c372 100644
--- a/IP_region_query/response.json
+++ b/IP_region_query/response.json
@@ -4,3 +4,5 @@
 {"code":"Success","data":{"continent":"北美洲","country":"美国","zipcode":"","owner":"","isp":"Cloudflare, Inc.","adcode":"","prov":"","city":"","district":""},"ip":"1.1.1.4"}
 {"code":"Success","data":{"continent":"北美洲","country":"美国","zipcode":"","owner":"","isp":"Cloudflare, Inc.","adcode":"","prov":"","city":"","district":""},"ip":"1.1.1.5"}
 {"code":"Success","data":{"continent":"北美洲","country":"美国","zipcode":"","owner":"","isp":"Cloudflare, Inc.","adcode":"","prov":"","city":"","district":""},"ip":"1.1.1.6"}
+{"code":"Success","data":{"continent":"北美洲","country":"美国","zipcode":"","owner":"","isp":"Cloudflare, Inc.","adcode":"","prov":"","city":"","district":""},"ip":"1.1.1.7"}
+{"code":"Success","data":{"continent":"北美洲","country":"美国","zipcode":"","owner":"","isp":"Cloudflare, Inc.","adcode":"","prov":"","city":"","district":""},"ip":"1.1.1.8"}