调用uni.downloadFile下载pdf文件时报错，报错信息为 r.replace is undefined

**问题描述**
调用uni.downloadFile下载pdf文件时报错，报错信息为 r,replace is undefined

**复现步骤**
[复现问题的步骤]
1. 下载请求中的响应头中有**set-cookie**，值为**array**
2. 然后就可以复现

**预期结果**
不报错

**实际结果**

**系统信息:**
- 发行平台: 微信小程序
- 操作系统16.0.3
- HBuilderX版本
- uni-app版本
uni-app v3.8.7
uni-app cli v2.0.2-3080720230703001

Environment Info:

System:
OS: Windows 10
CPU: (12) x64 Intel(R) Core(TM) i7-8700K CPU @ 3.70GHz
Binaries:
Node: 14.15.4 - C:\Program Files\nodejs\node.EXE
Yarn: 1.22.19 - C:\Program Files\nodejs\yarn.CMD
npm: 6.14.10 - C:\Program Files\nodejs\npm.CMD
Browsers:
Edge: 44.22621.1992.0
npmPackages:
@dcloudio/types: ^3.3.2 => 3.3.3
@dcloudio/uni-app: ^2.0.2-3061820230117002 => 3.0.0-alpha-3000020210521001
@dcloudio/uni-app-plus: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-app-plus-nvue: 0.0.1
@dcloudio/uni-app-plus-nvue-v8: 0.0.1
@dcloudio/uni-automator: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-cli-i18n: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-cli-shared: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-h5: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-helper-json: * => 1.0.13
@dcloudio/uni-i18n: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-migration: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-360: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-alipay: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-baidu: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-jd: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-kuaishou: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-lark: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-qq: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-toutiao: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-vue: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-weixin: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-mp-xhs: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-quickapp-native: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-quickapp-webview: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-stacktracey: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-stat: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/uni-template-compiler: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/vue-cli-plugin-hbuilderx: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/vue-cli-plugin-uni: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/vue-cli-plugin-uni-optimize: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/webpack-uni-mp-loader: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@dcloudio/webpack-uni-nvue-loader: 0.0.1
@dcloudio/webpack-uni-pages-loader: ^2.0.2-3061820230117002 => 2.0.2-3080720230703001
@hap-toolkit/dsl-vue: 0.6.13
@vue/babel-helper-vue-jsx-merge-props: 1.4.0
@vue/babel-helper-vue-transform-on: 1.1.5
@vue/babel-plugin-jsx: 1.1.5
@vue/babel-plugin-transform-vue-jsx: 1.4.0
@vue/babel-preset-app: 4.5.19
@vue/babel-preset-jsx: 1.4.0
@vue/babel-sugar-composition-api-inject-h: 1.4.0
@vue/babel-sugar-composition-api-render-instance: 1.4.0
@vue/babel-sugar-functional-vue: 1.4.0
@vue/babel-sugar-inject-h: 1.4.0
@vue/babel-sugar-v-model: 1.4.0
@vue/babel-sugar-v-on: 1.4.0
@vue/cli-overlay: 4.5.19
@vue/cli-plugin-babel: ^4.1.2 => 4.5.19
@vue/cli-plugin-router: 4.5.19
@vue/cli-plugin-vuex: 4.5.19
@vue/cli-service: ^4.1.2 => 4.5.19
@vue/cli-shared-utils: 4.5.19
@vue/compiler-sfc: 2.7.14
@vue/component-compiler-utils: 3.3.0 (3.3.0)
@vue/composition-api: 1.7.0
@vue/devtools-api: 6.0.0-beta.15
@vue/preload-webpack-plugin: 1.1.2
@vue/shared: ^3.0.0 => 3.3.4
@vue/web-component-wrapper: 1.3.0
mpvue-page-factory: 1.0.1
mpvue-template-compiler: 1.0.13
uni-h5-vue: 2.6.10
uni-mp-vue: 2.6.10
vue: ^2.6.11 => 2.7.14
vue-hot-reload-api: 2.3.4
vue-loader: 15.10.1 (16.8.3, 15.10.1)
vue-router: 3.0.1
vue-style-loader: 4.1.3 (4.1.3)
vue-template-compiler: ^2.6.11 => 2.7.14 (2.7.14)
vue-template-es2015-compiler: 1.9.1
vue3: 1.0.0
vuex: ^3.2.0 => 3.6.2 (3.6.2)
npmGlobalPackages:
@vue/cli: Not Found

- 设备信息 [如 iPhone13 mini]

**补充信息**
[可选]
翻看编译后的代码，找到了报错位置，发现是判断有问题，若**r**是array，则程序会报错。