diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/BaseWxPayRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/BaseWxPayRequest.java
index d60e56893b..4619e52d4f 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/BaseWxPayRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/BaseWxPayRequest.java
@@ -221,8 +221,6 @@ public String toXML() {
 
   /**
    * 使用快速算法组装xml
-   *
-   * @return
    */
   private String toFastXml() {
     try {
@@ -297,7 +295,7 @@ protected String[] getIgnoredParamsForSign() {
    * 注意：不含sign属性
    */
   public Map<String, String> getSignParams() {
-    Map<String, String> map = new HashMap<>();
+    Map<String, String> map = new HashMap<>(8);
     map.put("appid", appid);
     map.put("mch_id", mchId);
     map.put("sub_appid", subAppId);
diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayFaceAuthInfoRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayFaceAuthInfoRequest.java
index cef831a3d6..e5bb4f5257 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayFaceAuthInfoRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxPayFaceAuthInfoRequest.java
@@ -127,13 +127,13 @@ protected void checkConstraints() {
 
   @Override
   protected void storeMap(Map<String, String> map) {
+    map.put("now", now);
+    map.put("version", version);
+    map.put("rawdata", rawdata);
     map.put("store_id", storeId);
     map.put("store_name", storeName);
     map.put("device_id", deviceId);
     map.put("attach", attach);
-    map.put("rawdata", rawdata);
-    map.put("now", now);
-    map.put("version", version);
   }
 
 }