diff --git a/pluss-service-bundle/src/main/java/cn/pluss/platform/klk/service/LkLPayServiceImpl.java b/pluss-service-bundle/src/main/java/cn/pluss/platform/klk/service/LkLPayServiceImpl.java
index beec63f..4919cec 100644
--- a/pluss-service-bundle/src/main/java/cn/pluss/platform/klk/service/LkLPayServiceImpl.java
+++ b/pluss-service-bundle/src/main/java/cn/pluss/platform/klk/service/LkLPayServiceImpl.java
@@ -149,7 +149,7 @@ public class LkLPayServiceImpl implements PayService {
                         payData.put("source", acc_resp_fields.getString("code"));
                     } else if (Constant.PAY_TYPE_WECHAT.equals(order.getPayTypeCode())) {
 
-                        payData.put("payAppId", ParametersUtil.APPLETS_APPID);
+                        payData.put("payAppId", acc_resp_fields.getString("app_id"));
                         payData.put("payTimeStamp", String.valueOf(Long.valueOf(acc_resp_fields.getString("time_stamp")) * 1000));
                         payData.put("paynonceStr", acc_resp_fields.getString("nonce_str"));
                         payData.put("payPackage", acc_resp_fields.getString("package"));