diff --git "a/air_case/cmdc_31st/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.air/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.py" "b/air_case/cmdc_31st/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.air/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.py"
new file mode 100644
index 0000000000000000000000000000000000000000..4a5c5d3250f66da20ffe0fecf4417e83a3328d28
--- /dev/null
+++ "b/air_case/cmdc_31st/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.air/\345\217\221\350\265\267\347\253\231\347\202\271\350\265\204\346\226\231\345\217\230\346\233\264\347\224\263\350\257\267.py"
@@ -0,0 +1,51 @@
+# -*- encoding=utf8 -*-
+__author__ = "liguangyu"
+
+"""
+case_tag:cmdc_api,cmdc发起站点资料变更申请,31,31-13,sit,be
+主数据平台:后台运营系统发起站点资料变更申请接口
+"""
+
+from common.common_func import commonFuc
+from air_case.cmdc_login.后台管理系统登录.后台管理系统登录 import CmdcDoLogin
+import requests
+import json
+
+
+module = "cmdc_31st"
+
+# 第一步登录后台运营系统获取token
+username = commonFuc().get_business_data(module, "username1_be")
+password = commonFuc().get_business_data(module, "password1_be")
+# 获取登录后Cmdc_access_token
+cmdc_access_token = CmdcDoLogin(username, password).get_token()
+headers = commonFuc().get_business_data(module, "json_headers", cmdc_access_token)
+
+# 第二步发起站点资料变更申请
+url = commonFuc().get_api_url() + commonFuc().get_business_data(module, "url3")
+
+"""
+
+ 场景: 发起站点资料变更申请
+ 用例名称：发起站点资料变更申请
+ 输出：{"userName":"%s"}
+"""
+
+# 发送请求
+result = requests.get(url, headers=headers)
+# 获取接口响应时间
+api_time = float(result.elapsed.total_seconds())
+
+# 获取变更申请页面中userName
+result = json.loads(result.content)
+result = {"userName": result["data"]["userName"]}
+
+# 将接口响应时间添加至result
+result["api_time"] = api_time
+
+# 获取预期结果
+check_dict = commonFuc().get_business_data(module, "checkDict3", username)
+# print(check_dict)
+# 断言实际结果中是否包含预期结果的内容
+commonFuc().check_result(check_dict, result)
+
diff --git a/data/cmdc_31st/data b/data/cmdc_31st/data
index cc51cb5f922f25f3255e89432e153b6e890ba287..05c2ca5e480ee5053b4a5114577f4cbbbc2c2dda 100644
--- a/data/cmdc_31st/data
+++ b/data/cmdc_31st/data
@@ -49,7 +49,11 @@ checkDict1: {"total":"%s"}
 #预期结果
 checkDict2: {"applyNo":"%s"}
 
-
+#测试场景三：发起站点资料变更申请
+"url3": "/user/tripartiteChange/getChangeDetail"
+"payload3": {}
+#预期结果
+checkDict3: {"userName":"%s"}