阶梯加压测试：10 → 50 → 100 → 200 → 500 并发 每阶段持续 3 分钟，找到系统瓶颈点 重点测试：认证链路 + 余额查询（最高频接口） false false base_url ${__P(base_url,https://aigc-api.wangxunai.com)} ${__regexExtract(${base_url},https?://([^/]+),1,1,localhost)} ${__regexExtract(${base_url},(https?),1,1,https)} UTF-8 Content-Type application/json ../../backend/test_users.csv UTF-8 username,password,email,apikey,user_id true , true false shareMode.all continue true -1 10 10 true 180 0 /api/auth/login POST true false {"username":"${username}","password":"${password}","encrypted":false} = true token $.data.access_token NONE /api/billing/balance GET true Authorization Bearer ${token} 1000 continue true -1 50 30 true 180 190 /api/auth/login POST true false {"username":"${username}","password":"${password}","encrypted":false} = true token $.data.access_token NONE /api/billing/balance GET true Authorization Bearer ${token} 1000 continue true -1 100 60 true 180 380 /api/auth/login POST true false {"username":"${username}","password":"${password}","encrypted":false} = true token $.data.access_token NONE /api/billing/balance GET true Authorization Bearer ${token} 1000 continue true -1 200 90 true 180 570 /api/auth/login POST true false {"username":"${username}","password":"${password}","encrypted":false} = true token $.data.access_token NONE /api/billing/balance GET true Authorization Bearer ${token} 1000 false saveConfig true true true true true true true true true true true true true results/ramp_results.jtl