diff --git a/src/main/java/com/ljsd/util/HttpUtils.java b/src/main/java/com/ljsd/util/HttpUtils.java
index 62cb88d..7e31232 100644
--- a/src/main/java/com/ljsd/util/HttpUtils.java
+++ b/src/main/java/com/ljsd/util/HttpUtils.java
@@ -41,21 +41,48 @@ public class HttpUtils {
     }
 
     public static String doPost2(String url, String json) throws IOException {
-        CloseableHttpClient httpclient = HttpClients.createDefault();
-        HttpPost httpPost = new HttpPost(url);
-        StringEntity stringEntity = new StringEntity(json, ContentType.APPLICATION_FORM_URLENCODED);
-        httpPost.setEntity(stringEntity);
-        CloseableHttpResponse response2 = httpclient.execute(httpPost);
-
+        PrintWriter out = null;
+        BufferedReader in = null;
+        String result = "";
         try {
-            HttpEntity entity = response2.getEntity();
-            return EntityUtils.toString(entity);
-        } catch (IOException e) {
+            URL realUrl = new URL(url);
+            // 打开和URL之间的连接
+            URLConnection conn = realUrl.openConnection();
+            // 设置通用的请求属性
+            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
+            // 发送POST请求必须设置如下两行
+            conn.setDoOutput(true);
+            conn.setDoInput(true);
+            // 获取URLConnection对象对应的输出流
+            out = new PrintWriter(conn.getOutputStream());
+            // 发送请求参数
+            out.print(json);
+            // flush输出流的缓冲
+            out.flush();
+            // 定义BufferedReader输入流来读取URL的响应
+            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
+            String line;
+            while ((line = in.readLine()) != null) {
+                result += line;
+            }
+        } catch (Exception e) {
+            System.out.println("发送 POST 请求出现异常！" + e);
             e.printStackTrace();
-            return null;
-        } finally {
-            response2.close();
         }
+        // 使用finally块来关闭输出流、输入流
+        finally {
+            try {
+                if (out != null) {
+                    out.close();
+                }
+                if (in != null) {
+                    in.close();
+                }
+            } catch (IOException ex) {
+                ex.printStackTrace();
+            }
+        }
+        return result;
     }
 
     public static List<NameValuePair> getFromMap(Map<String,String> parms){