小程序修正

yelaymaths_api/package.json

@@ -24,6 +24,7 @@
     "@nestjs/platform-express": "^11.0.0",
     "@nestjs/schedule": "^5.0.0",
     "@prisma/client": "^6.0.0",
+    "express": "^5.2.1",
     "fast-xml-parser": "^4.5.1",
     "mysql2": "^3.11.5",
     "nestjs-pino": "^4.1.0",