diff --git a/src/main/java/com/wechat/pay/contrib/apache/httpclient/WechatPayHttpClientBuilder.java b/src/main/java/com/wechat/pay/contrib/apache/httpclient/WechatPayHttpClientBuilder.java
index 0c9ef9f..2fd3c21 100644
--- a/src/main/java/com/wechat/pay/contrib/apache/httpclient/WechatPayHttpClientBuilder.java
+++ b/src/main/java/com/wechat/pay/contrib/apache/httpclient/WechatPayHttpClientBuilder.java
@@ -10,6 +10,7 @@
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClientBuilder;
 import org.apache.http.impl.execchain.ClientExecChain;
+import org.apache.http.HttpHost;
 
 /**
  * @author xy-peng
@@ -21,6 +22,7 @@ public class WechatPayHttpClientBuilder extends HttpClientBuilder {
     private Credentials credentials;
     private Validator validator;
 
+
     private WechatPayHttpClientBuilder() {
         super();
 
@@ -51,6 +53,13 @@ public WechatPayHttpClientBuilder withWechatPay(List<X509Certificate> certificat
         return this;
     }
 
+    public WechatPayHttpClientBuilder withProxy(HttpHost proxy) {
+        if (proxy != null) {
+            this.setProxy(proxy);
+        }
+        return this;
+    }
+
     /**
      * Please use {@link #withWechatPay(List)} instead
      *
diff --git a/src/main/java/com/wechat/pay/contrib/apache/httpclient/cert/CertificatesManager.java b/src/main/java/com/wechat/pay/contrib/apache/httpclient/cert/CertificatesManager.java
index 3c8cac1..4b69897 100644
--- a/src/main/java/com/wechat/pay/contrib/apache/httpclient/cert/CertificatesManager.java
+++ b/src/main/java/com/wechat/pay/contrib/apache/httpclient/cert/CertificatesManager.java
@@ -32,6 +32,7 @@
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.util.EntityUtils;
+import org.apache.http.HttpHost;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -53,6 +54,8 @@ public class CertificatesManager {
     private volatile static CertificatesManager instance = null;
     private ConcurrentHashMap<String, byte[]> apiV3Keys = new ConcurrentHashMap<>();
 
+    private HttpHost proxy;
+
     private ConcurrentHashMap<String, ConcurrentHashMap<BigInteger, X509Certificate>> certificates = new ConcurrentHashMap<>();
 
     private ConcurrentHashMap<String, Credentials> credentialsMap = new ConcurrentHashMap<>();
@@ -158,6 +161,15 @@ public synchronized void putMerchant(String merchantId, Credentials credentials,
         }
     }
 
+    /***
+    * 代理配置
+    *
+    * @param proxy 代理host
+    **/
+    public synchronized void setProxy(HttpHost proxy) {
+        this.proxy = proxy;
+    }
+
     /**
      * 停止自动更新平台证书，停止后无法再重新启动
      */
@@ -257,6 +269,7 @@ private synchronized void downloadAndUpdateCert(String merchantId, Verifier veri
                 .withCredentials(credentials)
                 .withValidator(verifier == null ? (response) -> true
                         : new WechatPay2Validator(verifier))
+                .withProxy(proxy)
                 .build()) {
             HttpGet httpGet = new HttpGet(CERT_DOWNLOAD_PATH);
             httpGet.addHeader(ACCEPT, APPLICATION_JSON.toString());
diff --git a/src/test/java/com/wechat/pay/contrib/apache/httpclient/CertificatesManagerTest.java b/src/test/java/com/wechat/pay/contrib/apache/httpclient/CertificatesManagerTest.java
index ee32788..3db8659 100644
--- a/src/test/java/com/wechat/pay/contrib/apache/httpclient/CertificatesManagerTest.java
+++ b/src/test/java/com/wechat/pay/contrib/apache/httpclient/CertificatesManagerTest.java
@@ -25,6 +25,7 @@
 import org.apache.http.client.utils.URIBuilder;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.util.EntityUtils;
+import org.apache.http.HttpHost;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -41,11 +42,15 @@ public class CertificatesManagerTest {
     CertificatesManager certificatesManager;
     Verifier verifier;
 
+    private static final HttpHost proxy = null;
+
     @Before
     public void setup() throws Exception {
         PrivateKey merchantPrivateKey = PemUtil.loadPrivateKey(privateKey);
         // 获取证书管理器实例
         certificatesManager = CertificatesManager.getInstance();
+        // 添加代理服务器
+        certificatesManager.setProxy(proxy);
         // 向证书管理器增加需要自动更新平台证书的商户信息
         certificatesManager.putMerchant(merchantId, new WechatPay2Credentials(merchantId,
                         new PrivateKeySigner(merchantSerialNumber, merchantPrivateKey)),
diff --git a/src/test/java/com/wechat/pay/contrib/apache/httpclient/HttpClientBuilderTest.java b/src/test/java/com/wechat/pay/contrib/apache/httpclient/HttpClientBuilderTest.java
index 67e017a..4de249e 100644
--- a/src/test/java/com/wechat/pay/contrib/apache/httpclient/HttpClientBuilderTest.java
+++ b/src/test/java/com/wechat/pay/contrib/apache/httpclient/HttpClientBuilderTest.java
@@ -25,6 +25,7 @@
 import org.apache.http.entity.InputStreamEntity;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.HttpHost;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -47,6 +48,8 @@ public class HttpClientBuilderTest {
             + "-----END CERTIFICATE-----";
     private CloseableHttpClient httpClient;
 
+    private static final HttpHost proxy = null;
+
     @Before
     public void setup() {
         PrivateKey merchantPrivateKey = PemUtil.loadPrivateKey(privateKey);
@@ -59,6 +62,7 @@ public void setup() {
         httpClient = WechatPayHttpClientBuilder.create()
                 .withMerchant(merchantId, merchantSerialNumber, merchantPrivateKey)
                 .withWechatPay(wechatPayCertificates)
+                .withProxy(proxy)
                 .build();
     }