diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillRequest.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillRequest.json
new file mode 100644
index 00000000..22fdca1b
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillRequest.json
@@ -0,0 +1 @@
+{}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillResponse.json b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillResponse.json
new file mode 100644
index 00000000..a14cc94d
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.TenpayV3.UnitTests/ModelSamples/Bill/GetBillSubMerchantFundflowBillResponse.json
@@ -0,0 +1,13 @@
+{
+    "download_bill_count": 1,
+    "download_bill_list": [
+        {
+            "bill_sequence": 1,
+            "download_url": "https://api.mch.weixin.qq.com/v3/bill/downloadurl?token=xxx",
+            "encrypt_key": "a0YK7p+9XaKzE9N4qtFfG/9za1oqKlLXXJWBkH+kX84onAs2Ol/E1fk+6S+FuBXczGDRU8I8D+6PfbwKYBGm0wANUTqHOSezzfbieIo2t51UIId7sP9SoN38W2+IcYDviIsu59KSdyiL3TY2xqZNT8UDcnMWzTNZdSv+CLsSgblB6OKGN9JONTadOFGfv1OKkTp86Li+X7S9bG62wsa572/5Rm4MmDCiKwY4bX2EynWQHBEOExD5URxT6/MX3F1D3BNYrE4fUu1F03k25xVlXnZDjksy6Rf3SCgadR+Cepc6mdfF9b2gTxNsJFMEdYXbqL0W1WQZ3UqSPQCguK6uLA==",
+            "hash_type": "SHA1",
+            "hash_value": "79bb0f45fc4c42234a918000b2668d689e2bde04",
+            "nonce": "a8607ef79034c49c"
+        }
+    ]
+}
\ No newline at end of file