fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/wx/service/impl/WxPayServiceImpl.java

@@ -1209,7 +1209,7 @@ public class WxPayServiceImpl implements IWxPayService {
     @Override
     public Map<String, String> refund(String out_refund_no, String transaction_id, BigDecimal refund_fee, BigDecimal total_fee) {
         initData();
-        WxSmallConfig config = new WxSmallConfig(appid, mchid, key);
+        WxSmallConfig config = new WxSmallConfig(gzhAppid, mchid, key);
         BigDecimal unit = new BigDecimal(100);
         refund_fee = refund_fee.multiply(unit);
         total_fee = total_fee.multiply(unit);
@@ -1223,7 +1223,7 @@ public class WxPayServiceImpl implements IWxPayService {
             data.put("refund_fee", refund_fee.intValue() + "");
             data.put("total_fee", total_fee.intValue() + "");
             Map<String, String> result = new HashMap<>();
-            result.put("appId", appid);
+            result.put("appId", gzhAppid);
             result.put("nonceStr", WXPayUtil.generateNonceStr());
             result.put("signType", "MD5");
             result.put("sign", WXPayUtil.generateSignature(result, key, WXPayConstants.SignType.MD5));