请问这是啥问题啊

TypeError: The header content contains invalid characters

at validateHeader (_http_outgoing.js:497:11)

at ServerResponse.setHeader (_http_outgoing.js:501:3)

at Object.set (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/lib/response.js:440:16)

at Object.redirect (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/lib/response.js:261:10)

at Object.proto.(anonymous function) [as redirect] (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/delegates/index.js:40:31)

at /Users/sam/workSpace/nuxtPro/QunWp/server/controllers/wechat.js:29:9

at Generator.next (<anonymous>)

at step (/Users/sam/workSpace/nuxtPro/QunWp/server/controllers/wechat.js:88:191)

at /Users/sam/workSpace/nuxtPro/QunWp/server/controllers/wechat.js:88:437

at new Promise (<anonymous>)

at /Users/sam/workSpace/nuxtPro/QunWp/server/controllers/wechat.js:88:99

at redirect (/Users/sam/workSpace/nuxtPro/QunWp/server/controllers/wechat.js:42:22)

at dispatch (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-compose/index.js:44:32)

at next (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-compose/index.js:45:18)

at /Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-router/lib/router.js:326:16

at dispatch (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-compose/index.js:44:32)

at /Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-compose/index.js:36:12

at dispatch (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa-router/lib/router.js:331:31)

at dispatch (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/node_modules/koa-compose/index.js:42:32)

at /Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/node_modules/koa-compose/index.js:34:12

at Application.handleRequest (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/lib/application.js:150:12)

at Server.handleRequest (/Users/sam/workSpace/nuxtPro/QunWp/node_modules/koa/lib/application.js:132:19)