diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdRequest.json
new file mode 100644
index 00000000..4422a877
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdRequest.json
@@ -0,0 +1,3 @@
+{
+    "opengid": "oAAAAAAA"
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdResponse.json
new file mode 100644
index 00000000..ed3196eb
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/CgibinExternalContactOpenGroupIdToChatIdResponse.json
@@ -0,0 +1,5 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "chat_id": "ooAAAAAAAAAAA"
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetRequest.json
index ada56839..345cb531 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetRequest.json
@@ -1,3 +1,4 @@
 {
-    "chat_id": "wrOgQhDgAAMYQiS5ol9G7gK9JVAAAA"
+    "chat_id": "wrOgQhDgAAMYQiS5ol9G7gK9JVAAAA",
+    "need_name": 1
 }
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetResponse.json
index 397bd439..a4378cbe 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupChat/CgibinExternalContactGroupChatGetResponse.json
@@ -15,20 +15,18 @@
                 "join_scene": 1,
                 "invitor": {
                     "userid": "jack"
-                }
-            },
-            {
-                "userid": "sam",
-                "type": 1,
-                "join_time": 1572505491,
-                "join_scene": 1
+                },
+                "group_nickname": "客服小张",
+                "name": "张三丰"
             },
             {
                 "userid": "wmOgQhDgAAuXFJGwbve4g4iXknfOAAAA",
                 "type": 2,
                 "unionid": "ozynqsulJFCZ2z1aYeS8h-nuasdAAA",
                 "join_time": 1572505491,
-                "join_scene": 1
+                "join_scene": 1,
+                "group_nickname": "顾客老王",
+                "name": "王语嫣"
             }
         ],
         "admin_list": [
@@ -40,4 +38,4 @@
             }
         ]
     }
-}
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateAddRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateAddRequest.json
index e55f0de7..80be877d 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateAddRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateAddRequest.json
@@ -18,6 +18,12 @@
         "appid": "wx8bd80126147dfAAA",
         "page": "/path/index"
     },
+    "file": {
+        "media_id": "1Yv-zXfHjSjU-7LH-GwtYqDGS-zz6w22KmWAT5COgP7o"
+    },
+    "video": {
+        "media_id": "MEDIA_ID"
+    },
     "agentid": 1000014,
     "notify": 1
-}
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateEditRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateEditRequest.json
index 7add3700..c11814c9 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateEditRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateEditRequest.json
@@ -19,5 +19,11 @@
         "appid": "wx8bd80126147df384",
         "page": "/path/index"
     },
+    "file": {
+        "media_id": "1Yv-zXfHjSjU-7LH-GwtYqDGS-zz6w22KmWAT5COgP7o"
+    },
+    "video": {
+        "media_id": "MEDIA_ID"
+    },
     "agentid": 1000014
-}
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateGetResponse.json
index b1163126..75b63f28 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateGetResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactGroupWelcomeTemplateGetResponse.json
@@ -18,5 +18,11 @@
         "pic_media_id": "MEDIA_ID",
         "appid": "wx8bd80126147df384",
         "page": "/path/index"
+    },
+    "file": {
+        "media_id": "1Yv-zXfHjSjU-7LH-GwtYqDGS-zz6w22KmWAT5COgP7o"
+    },
+    "video": {
+        "media_id": "MEDIA_ID"
     }
-}
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactSendWelcomeMessageRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactSendWelcomeMessageRequest.json
index 471bb9e4..0c57ab4f 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactSendWelcomeMessageRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinExternalContact/GroupWelcome/CgibinExternalContactSendWelcomeMessageRequest.json
@@ -34,6 +34,12 @@
             "video": {
                 "media_id": "MEDIA_ID"
             }
+        },
+        {
+            "msgtype": "file",
+            "file": {
+                "media_id": "MEDIA_ID"
+            }
         }
     ]
-}
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultRequest.json
new file mode 100644
index 00000000..92dea4ff
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultRequest.json
@@ -0,0 +1,3 @@
+{
+    "payment_id": "xxxx"
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultResponse.json
new file mode 100644
index 00000000..58a6b054
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetPaymentResultResponse.json
@@ -0,0 +1,14 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "project_name": "学费",
+    "amount": 998,
+    "payment_result": [
+        {
+            "student_userid": "xxxx",
+            "trade_state": 1,
+            "trade_no": "xxxxx",
+            "payer_parent_userid": "zhangshan"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeRequest.json
new file mode 100644
index 00000000..b039dfee
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeRequest.json
@@ -0,0 +1,4 @@
+{
+    "payment_id": "xxxx",
+    "trade_no": "xxxx"
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeResponse.json
new file mode 100644
index 00000000..17204d40
--- /dev/null
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinSchool/Payment/CgibinSchoolGetTradeResponse.json
@@ -0,0 +1,6 @@
+{
+    "errcode": 0,
+    "errmsg": "ok",
+    "transaction_id": "xxxxx",
+    "pay_time": 12345
+}
\ No newline at end of file
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserCreateRequest.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserCreateRequest.json
index 3ecb914e..80957187 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserCreateRequest.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserCreateRequest.json
@@ -36,6 +36,7 @@
     "external_position": "高级产品经理",
     "external_profile": {
         "external_corp_name": "企业简称",
+        "wechat_channels": "视频号名称",
         "external_attr": [
             {
                 "type": 0,
diff --git a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserGetResponse.json b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserGetResponse.json
index 728769bc..f5d36d49 100644
--- a/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserGetResponse.json
+++ b/test/SKIT.FlurlHttpClient.Wechat.Work.UnitTests/ModelSamples/CgibinUser/CgibinUserGetResponse.json
@@ -41,6 +41,7 @@
     "external_position": "产品经理",
     "external_profile": {
         "external_corp_name": "企业简称",
+        "wechat_channels": "视频号名称",
         "external_attr": [
             {
                 "type": 0,