diff --git a/plugin/think-plugs-wechat/src/controller/Config.php b/plugin/think-plugs-wechat/src/controller/Config.php
index 71e8ee8d3..c452daba9 100644
--- a/plugin/think-plugs-wechat/src/controller/Config.php
+++ b/plugin/think-plugs-wechat/src/controller/Config.php
@@ -149,9 +149,11 @@ class Config extends Controller
             $this->mch_ssl_cer = sysconf('wechat.mch_ssl_cer');
             $this->mch_ssl_key = sysconf('wechat.mch_ssl_key');
             $this->mch_ssl_p12 = sysconf('wechat.mch_ssl_p12');
+            $this->mch_ssl_pay = sysconf('wechat.mch_ssl_pay');
             if (!$local->has($this->mch_ssl_cer, true)) $this->mch_ssl_cer = '';
             if (!$local->has($this->mch_ssl_key, true)) $this->mch_ssl_key = '';
             if (!$local->has($this->mch_ssl_p12, true)) $this->mch_ssl_p12 = '';
+            if (!$local->has($this->mch_ssl_pay, true)) $this->mch_ssl_pay = '';
             $this->fetch();
         } else {
             $this->error('抱歉，数据提交地址错误！');
@@ -172,10 +174,13 @@ class Config extends Controller
             if ($wechat['mch_ssl_type'] === 'pem') {
                 WechatService::withWxpayCert(['mch_id' => $wechat['mch_id']]);
                 if (empty($wechat['mch_ssl_key']) || !$local->has($wechat['mch_ssl_key'], true)) {
-                    $this->error('商户证书 KEY 不能为空！');
+                    $this->error('商户证书密钥不能为空！');
                 }
                 if (empty($wechat['mch_ssl_cer']) || !$local->has($wechat['mch_ssl_cer'], true)) {
-                    $this->error('商户证书 CERT 不能为空！');
+                    $this->error('商户证书公钥不能为空！');
+                }
+                if (empty($wechat['mch_ssl_pay']) || !$local->has($wechat['mch_ssl_pay'], true)) {
+                    $this->error('微信支付公钥不能为空！');
                 }
             }
             // P12 证书模式转 PEM 模式
@@ -200,6 +205,8 @@ class Config extends Controller
                 'mch_id'       => $wechat['mch_id'],
                 'mch_key'      => $wechat['mch_key'],
                 'mch_v3_key'   => $wechat['mch_v3_key'],
+                'ssl_pay_id'   => $wechat['mch_v3_payid'] ?? '',
+                'ssl_pay_text' => $local->get($wechat['ssl_cer_pay'], true),
                 'ssl_key_text' => $local->get($wechat['mch_ssl_key'], true),
                 'ssl_cer_text' => $local->get($wechat['mch_ssl_cer'], true),
             ]);
diff --git a/plugin/think-plugs-wechat/src/view/config/payment.html b/plugin/think-plugs-wechat/src/view/config/payment.html
index 516830fa6..0fabdcaa1 100644
--- a/plugin/think-plugs-wechat/src/view/config/payment.html
+++ b/plugin/think-plugs-wechat/src/view/config/payment.html
@@ -21,7 +21,7 @@
             <span class="help-block">微信商户账号，需要在微信商户平台获取，MCH_ID 与 APPID 匹配</span>
         </label>
 
-        <label class="layui-form-item relative block">
+        <label class="layui-form-item relative layui-hide">
             <span class="help-label"><b>微信商户 V2 密钥</b>MCH_KEY</span>
             <input name="wechat.mch_key" vali-name="微信商户V2密钥" placeholder="请输入微信商户V2密钥（必填）" maxlength="32" pattern=".{32}" required value="{:sysconf('wechat.mch_key')}" class="layui-input">
             <span class="help-block">微信商户 V2 密钥，需要在微信商户平台操作设置操作密码并获取商户接口密钥</span>
@@ -33,6 +33,12 @@
             <span class="help-block">微信商户 V3 密钥，需要在微信商户平台操作设置操作密码并获取商户接口密钥</span>
         </label>
 
+        <label class="layui-form-item relative block">
+            <span class="help-label"><b>微信商户 V3 支付证书ID</b>MCH_V3_PAYCERT_ID</span>
+            <input name="wechat.mch_v3_payid" vali-name="微信商户V3支付证书ID" placeholder="请输入微信商户V3支付证书ID（必填）" maxlength="100" value="{:sysconf('wechat.mch_v3_payid')}" class="layui-input">
+            <span class="help-block">微信商户 V3 支付证书ID，需要在微信商户平台操作设置操作密码并获取商户接口密钥</span>
+        </label>
+
         <div class="hr-line-dashed"></div>
 
         <div class="layui-form-item">
@@ -48,24 +54,36 @@
                     <div data-mch-type="none"></div>
                     <div data-mch-type="p12" class="layui-tab-item">
                         <input name="wechat.mch_ssl_p12" value="{$mch_ssl_p12|default=''}" type="hidden">
-                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="p12" data-field="wechat.mch_ssl_p12" type="button" class="layui-btn font-code layui-btn-primary">
-                            <i class="layui-icon layui-icon-vercode"></i> 上传 P12 证书
+                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="p12" data-field="wechat.mch_ssl_p12" type="button" class="layui-btn font-code layui-btn-primary margin-right-10">
+                            <i class="layui-icon layui-icon-vercode"></i> 上传商户P12证书
+                        </button>
+
+                        <input type="hidden" name="wechat.mch_ssl_pay" value="{$mch_ssl_pay|default=''}">
+                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="pem" data-field="wechat.mch_ssl_pay" type="button" class="layui-btn font-code layui-btn-primary margin-right-10">
+                            <i class="layui-icon layui-icon-vercode"></i> 上传微信支付公钥
                         </button>
                     </div>
 
                     <div data-mch-type="pem" class="layui-tab-item">
                         <input type="hidden" name="wechat.mch_ssl_key" value="{$mch_ssl_key|default=''}">
                         <button data-file="btn" data-uptype="local" data-safe="true" data-type="pem" data-field="wechat.mch_ssl_key" type="button" class="layui-btn font-code layui-btn-primary margin-right-10">
-                            <i class="layui-icon layui-icon-vercode"></i> 上传 KEY 证书
+                            <i class="layui-icon layui-icon-vercode"></i> 上传商户证书密钥
                         </button>
+
                         <input type="hidden" name="wechat.mch_ssl_cer" value="{$mch_ssl_cer|default=''}">
-                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="pem" data-field="wechat.mch_ssl_cer" type="button" class="layui-btn font-code layui-btn-primary">
-                            <i class="layui-icon layui-icon-vercode"></i> 上传 CERT 证书
+                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="pem" data-field="wechat.mch_ssl_cer" type="button" class="layui-btn font-code layui-btn-primary margin-right-10">
+                            <i class="layui-icon layui-icon-vercode"></i> 上传商户证书公钥
+                        </button>
+
+                        <input type="hidden" name="wechat.mch_ssl_pay" value="{$mch_ssl_pay|default=''}">
+                        <button data-file="btn" data-uptype="local" data-safe="true" data-type="pem" data-field="wechat.mch_ssl_pay" type="button" class="layui-btn font-code layui-btn-primary margin-right-10">
+                            <i class="layui-icon layui-icon-vercode"></i> 上传微信支付公钥
                         </button>
                     </div>
                 </div>
             </div>
         </div>
+
         <!--{if auth('payment_save')}-->
         <div class="hr-line-dashed margin-top-30"></div>
         <div class="layui-form-item text-center">