diff --git a/payment_backend/app.py b/payment_backend/app.py
index 30fea6e..e5121d7 100644
--- a/payment_backend/app.py
+++ b/payment_backend/app.py
@@ -43,5 +43,16 @@ def create_order():
     return jsonify({"order_id": order_id}), 200
 
 
+order_status = config.order.order_status
+@app.route('/finishOrder', methods=['GET'])
+def finish_order():
+    data = request.get_json()
+    order_id = data.get('order_id', None)
+    status = order_service.finish_order(order_id)
+    return jsonify({"order_id": order_id,
+                    "status": status,
+                    "msg": order_status[status]}), 200
+
+
 if __name__ == '__main__':
     app.run(debug=True)
diff --git a/payment_backend/config/param.yaml b/payment_backend/config/param.yaml
index 2c9509f..e5d05aa 100644
--- a/payment_backend/config/param.yaml
+++ b/payment_backend/config/param.yaml
@@ -1,8 +1,8 @@
 order:
   lifetime: 10min
   order_status:
-    - 未支付
-    - 支付成功
-    - 未转账
-    - 金额不对
-    - 订单超时
+    - Timed Out
+    - Paid
+    - Unpaid
+    - Wrong Amount
+    - Pending
diff --git a/payment_backend/services/order.py b/payment_backend/services/order.py
index 55b787c..01912b5 100644
--- a/payment_backend/services/order.py
+++ b/payment_backend/services/order.py
@@ -24,12 +24,12 @@ class OrderService:
 
     def finish_order(self, order_id):
         # 判断支付时间是否超过订单存活时间
-        quant, from_address, to_address, create_timestamp = self.order_repo.get_order_info(order_id)
+        status = 2
         now = current_timestamp()
-        status = 0
+        quant, from_address, to_address, create_timestamp = self.order_repo.get_order_info(order_id)
         if is_time_difference_greater_than(create_timestamp, now, **parse_time_string(self.config.order.lifetime)):
             # 订单超时
-            status = 4
+            status = 0
         else:
             correct_quant, confirmed = self.payment_service.check_payment(quant,
                                                                           from_address, to_address,
@@ -37,12 +37,12 @@ class OrderService:
             if correct_quant and confirmed:
                 # 支付成功
                 status = 1
-            elif correct_quant < 0:
-                # 没有转账
-                status = 2
             elif confirmed:
                 # 金额不对
                 status = 3
+            elif correct_quant:
+                # 支付尚未成功
+                status = 4
         if status:
             self.order_repo.update_status(order_id, status)
         return status
diff --git a/payment_backend/services/payment.py b/payment_backend/services/payment.py
index b602376..75a6824 100644
--- a/payment_backend/services/payment.py
+++ b/payment_backend/services/payment.py
@@ -15,7 +15,7 @@ class PaymentService:
                                                      from_address=from_address, to_address=to_address,
                                                      start_timestamp=order_create_timestamp, end_timestamp=end_timestamp)
         if result['rangeTotal'] == 0:
-            return -1, 0
+            return 0, 0
         token_transfers = result['token_transfers']
         token_transfer = token_transfers[-1]
         confirmed = token_transfer['confirmed']