curl -X POST "127.0.0.1:20000/user/register" \
  -H "Content-Type: application/json" \
  -d '{
    "account": "test",
    "password": "test12341234"
  }'
  ---
  # 创建美国
curl -X POST "127.0.0.1:20000/country/create" \
  -H "Content-Type: application/json" \
  -d '{"name": "美国", "code": "US"}'

# 创建中国
curl -X POST "127.0.0.1:20000/country/create" \
  -H "Content-Type: application/json" \
  -d '{"name": "中国", "code": "CN"}'

# 创建日本
curl -X POST "127.0.0.1:20000/country/create" \
  -H "Content-Type: application/json" \
  -d '{"name": "日本", "code": "JP"}'

# 创建香港
curl -X POST "127.0.0.1:20000/country/create" \
  -H "Content-Type: application/json" \
  -d '{"name": "香港", "code": "HK"}'
---