预支付接口6

ch-core/src/main/java/com/wwdz/ch/core/api/wxpay/WxPayServiceApi.java

@@ -156,8 +156,8 @@ public class WxPayServiceApi {
                 String packageSign = sign(buildMessage(wxPayParamConfig.getAppId(), timestamp, nonceStr, prepayId).getBytes(), wxPayParamConfig.getPrivateKeyPath());
                 JSONObject jsonObject = new JSONObject();
                 jsonObject.put("appId", wxPayParamConfig.getAppId());
-                jsonObject.put("prepayId", prepayId);
-                jsonObject.put("timeStamp", timestamp);
+                jsonObject.put("prepayid", prepayId);
+                jsonObject.put("timeStamp", String.valueOf(timestamp));
                 jsonObject.put("nonceStr", nonceStr);
                 jsonObject.put("package", "prepay_id=" + prepayId);
                 jsonObject.put("signType", "RSA");