diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundRequest.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundRequest.json
index 5a717bd0..c91a21eb 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundRequest.json
@@ -4,7 +4,13 @@
     "amount": {
         "total": 1,
         "currency": "CNY",
-        "refund": 1
+        "refund": 1,
+        "from": [
+            {
+                "account": "AVAILABLE",
+                "amount": 444
+            }
+        ]
     },
     "transaction_id": "4200000991202103266853086457",
     "out_refund_no": "sdk12345678920210326145039",
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundResponse.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundResponse.json
index 57b74234..6a643499 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/CreateRefundDomesticRefundResponse.json
@@ -7,7 +7,13 @@
         "refund": 1,
         "settlement_refund": 1,
         "settlement_total": 1,
-        "total": 1
+        "total": 1,
+        "from": [
+            {
+                "account": "AVAILABLE",
+                "amount": 444
+            }
+        ]
     },
     "channel": "ORIGINAL",
     "create_time": "2021-03-26T14:52:08+08:00",
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/GetRefundDomesticRefundByOutRefundNumberResponse.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/GetRefundDomesticRefundByOutRefundNumberResponse.json
index 0fb62956..03cc3ee5 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/GetRefundDomesticRefundByOutRefundNumberResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Refund/GetRefundDomesticRefundByOutRefundNumberResponse.json
@@ -7,7 +7,13 @@
         "refund": 1,
         "settlement_refund": 1,
         "settlement_total": 1,
-        "total": 1
+        "total": 1,
+        "from": [
+            {
+                "account": "AVAILABLE",
+                "amount": 444
+            }
+        ]
     },
     "channel": "ORIGINAL",
     "create_time": "2021-03-26T14:52:08+08:00",