feat: add hsq merchant_no

composer.json

 {
     "name": "ldy/payment",
     "type": "library",
-    "version": "3.6.2",
+    "version": "3.6.3",
     "description": "支付宝支付、微信支付、招商一网通支付、通联支付、米付支付、利楚扫呗、富友支付、联拓付、易生支付、银盛支付、微诺付、汇收钱 php SDK。",
     "keywords": ["alipay", "weixin", "支付宝支付", "微信支付","通联支付", "集成支付接口SDK", "招商一网通", "一网通", "利楚扫呗", "富友支付","微诺付","汇收钱"],
     "homepage": "",

src/Common/Hsq/Data/Charge/PubChargeData.php

@@ -49,16 +49,18 @@ class PubChargeData extends ChargeBaseData
         ];
         $signContent = [
             /* 业务请求参数 begin */
-            'subMerchantNo' => $this->subMerchantNo, //门店编号
             'transNo' => $this->transNo, //商户订单号
             'payType' => $this->payType, //支付类型
             'orderAmt' => intval($this->orderAmt), //交易金额, 交易金额，单位为：分
             'goodsInfo' => $this->goodsInfo, //商品信息
-            'returnUrl' => $this->returnUrl , //后端通知地址, 用户支付完成后，慧收钱服务器主动通知商户服务器里指定地址
+            'returnUrl' => $this->returnUrl, //后端通知地址, 用户支付完成后，慧收钱服务器主动通知商户服务器里指定地址
             'requestDate' => $this->requestDate, //请求时间
-            'memo' => json_encode($memo,JSON_UNESCAPED_UNICODE),
+            'memo' => json_encode($memo, JSON_UNESCAPED_UNICODE),
             /* 业务请求参数 end */
         ];
+        if (!empty($this->subMerchantNo)) {
+            $signContent['subMerchantNo'] = $this->subMerchantNo; //门店编号
+        }
 
         $signData = [
             /* 公共请求参数 begin */
@@ -67,7 +69,7 @@ class PubChargeData extends ChargeBaseData
             'format' => $this->format, //请求格式
             'merchantNo' => $this->merchantNo, //商户号
             'signType' => $this->signType, //加密类型
-            'signContent' => json_encode($signContent,JSON_UNESCAPED_UNICODE),
+            'signContent' => json_encode($signContent, JSON_UNESCAPED_UNICODE),
             'key' => $this->key,
             /* 公共请求参数 end */
         ];