增加测试

apps/backend/src/routes/kuaishou-industry.ts

@@ -1,3 +1,4 @@
+import process from 'node:process'
 import { Router } from 'express'
 
 import { createRateLimitMiddleware } from '../middleware/rate-limit.js'
@@ -13,7 +14,7 @@ const router = Router()
 const industryRateLimit = createRateLimitMiddleware({
   scope: 'kuaishouIndustry',
   windowMs: 60_000,
-  max: 120,
+  max: normalizeRateLimitMax(process.env.KUASHOU_INDUSTRY_RATE_LIMIT_MAX, 120),
   onLimit: (_req, res) => {
     res.status(200).json(buildIndustryErrorResponse(4010003, '请求过于频繁，请稍后再试'))
   },
@@ -169,4 +170,9 @@ function mergeRequestParams(req: any): Record<string, any> {
   return params
 }
 
+function normalizeRateLimitMax(raw: string | undefined, fallback: number): number {
+  const parsed = Number(raw)
+  return Number.isFinite(parsed) && parsed >= 1 ? parsed : fallback
+}
+
 export default router