diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
index cbd2ee6..1e0f6a4 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
@@ -200,8 +200,9 @@ public class AliPayService extends BasePayService {
                     bizContent.put("product_code", "QUICK_MSECURITY_PAY");
                 }
         }
-        //TODO 过期时间
-//        bizContent.put("timeout_express", )
+        if (null != order.getExpirationTime()){
+            bizContent.put("timeout_express", ((order.getExpirationTime().getTime() - System.currentTimeMillis())/1000/60 + "m"));
+        }
         orderInfo.put("biz_content", JSON.toJSONString(bizContent));
         return orderInfo;
     }
diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
index b04d7f2..a5000b1 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/before/api/AliPayService.java
@@ -38,7 +38,10 @@ public class AliPayService extends BasePayService {
 
     private static final String HTTPS_REQ_URL = "https://mapi.alipay.com/gateway.do";
     private static final String QUERY_REQ_URL = "https://openapi.alipay.com/gateway.do";
-
+    DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
+    {
+        df.setTimeZone(TimeZone.getTimeZone("GMT+8"));
+    }
     public AliPayService(PayConfigStorage payConfigStorage) {
         super(payConfigStorage);
     }
@@ -428,8 +431,7 @@ public class AliPayService extends BasePayService {
         Map<String, Object> bizContent = new TreeMap<>();
         bizContent.put("bill_type", billType);
         //目前只支持日账单
-        DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
-        df.setTimeZone(TimeZone.getTimeZone("GMT+8"));
+
         bizContent.put("bill_date", df.format(billDate));
         //设置请求参数的集合
         parameters.put("biz_content", JSON.toJSONString(bizContent));
diff --git a/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java b/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
index afcbbc9..8ac3504 100644
--- a/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
+++ b/pay-java-union/src/main/java/com/egzosn/pay/union/api/UnionPayService.java
@@ -55,7 +55,10 @@ public class UnionPayService extends BasePayService {
     private static final String FILE_TRANS_URL= "https://filedownload.%s/";
     private static final String APP_TRANS_URL= "https://gateway.%s/gateway/api/appTransReq.do";
     private static final String CARD_TRANS_URL= "https://gateway.%s/gateway/api/cardTransReq.do";
-
+    public final static DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
+    {
+        df.setTimeZone(TimeZone.getTimeZone("GMT+8"));
+    }
 
     /**
      * 构造函数
@@ -207,12 +210,15 @@ public class UnionPayService extends BasePayService {
             case B2B:
                 params.put(SDKConstants.param_txnAmt, order.getPrice().multiply(new BigDecimal(100)));
                 params.put("orderDesc", order.getSubject());
-                DateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
                 // 订单超时时间。
                 // 超过此时间后，除网银交易外，其他交易银联系统会拒绝受理，提示超时。 跳转银行网银交易如果超时后交易成功，会自动退款，大约5个工作日金额返还到持卡人账户。
                 // 此时间建议取支付时的北京时间加15分钟。
                 // 超过超时时间调查询接口应答origRespCode不是A6或者00的就可以判断为失败。
-                params.put(SDKConstants.param_payTimeout, df.format(System.currentTimeMillis() + 30 * 60 * 1000));
+                if (null != order.getExpirationTime()){
+                    params.put(SDKConstants.param_payTimeout, order.getExpirationTime());
+                }else {
+                    params.put(SDKConstants.param_payTimeout, df.format(System.currentTimeMillis() + 30 * 60 * 1000));
+                }
                 params.put(SDKConstants.param_frontUrl, payConfigStorage.getReturnUrl());
                 break;
             case CONSUME:
diff --git a/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
index 26ee4f5..652a263 100644
--- a/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
+++ b/pay-java-wx/src/main/java/com/egzosn/pay/wx/api/WxPayService.java
@@ -56,7 +56,7 @@ public class WxPayService extends BasePayService {
     public final static String FAILURE = "failure";
     public final static String APPID = "appid";
     private final static DateFormat downloadbillDf = new SimpleDateFormat("yyyyMMdd");
-    public final static DateFormat df = new SimpleDateFormat("yyyyMMddHHmms");
+    private final static DateFormat df = new SimpleDateFormat("yyyyMMddHHmms");
 
     {
         TimeZone timeZone = TimeZone.getTimeZone("GMT+8");