WeChat Mini Programs page jump report error page is not defined and not found?

I first wrote a welcome page and then wrote a container to set a monitor on the container, but when I clicked, the error page was not defined and the error message was not found as follows: thirdScriptError
sdk uncaught third Error
page is not defined
ReferenceError: page is not defined

at http://127.0.0.1:24407/appservice/pages/welcome/welcome.js:3:1
at require (http://127.0.0.1:24407/appservice/__dev__/WAService.js:1:888689)
at <anonymous>:14:7
at HTMLScriptElement.scriptLoaded (http://127.0.0.1:24407/appservice/appservice?t=1549933939835:1198:21)
at HTMLScriptElement.script.onload (http://127.0.0.1:24407/appservice/appservice?t=1549933939835:1210:20)
    
    
    
    
    Page[pages/welcome/welcome] not found. May be caused by: 1. Forgot to add page route in app.json. 2. Invoking Page() in async task.
    
    app.json:
    "pages":[
        "pages/welcome/welcome",
        "pages/index/index",
        "pages/powerdata/powerdata",
        "pages/powercontrol/powercontrol",
        "pages/location/location"
              ],
              
        :

welcome.js
page({
  onTapJump: function (event) {
    wx.redirectTo({
      url: "../index/index",
      success: function () {
        console.log("jump success")
      },
      fail: function () {
        console.log("jump failed")
      },
      complete: function () {
        console.log("jump complete")
      }
    });
  }
})

welcome.json
{
}

welcome.wxml
<view class="container">
<image class="logo" src="../images/avatar-1.png"></image>
<text class="motto"></text>
<view catchtap="onTapJump" class="journey-container">
<text class="journey"></text>
</view>
</view>

welcom.wxss
.container{
  display:flex;
  flex-direction:column;
  align-items:center;
}

.logo{
width:200rpx;
height:200rpx;
margin-top:10rpx;
}

.motto{
margin-top:100rpx;
font-size:32rpx;
font-weight:bold;
color:black;
}

.journey-container{
margin-top:200rpx;
border:1px solid-sharpEA5A3C;
width:200rpx;
height:80rpx;
border-radius:5px;
text-align:center;
}

.journey{
font-size:22rpx;
font-weight:bold;
line-height:80rpx;
color:black;
}

text{
font-family: Microsoft YaHei;
}

app.js
App({
  onLaunch: function () {
    // 
    var logs = wx.getStorageSync("logs") || []
    logs.unshift(Date.now())
    wx.setStorageSync("logs", logs)

    // 
    wx.login({
      success: res => {
        //  res.code  openId, sessionKey, unionId
      }
    })
    // 
    wx.getSetting({
      success: res => {
        if (res.authSetting["scope.userInfo"]) {
          //  getUserInfo 
          wx.getUserInfo({
            success: res => {
              //  res  unionId
              this.globalData.userInfo = res.userInfo

              //  getUserInfo  Page.onLoad 
              //  callback 
              if (this.userInfoReadyCallback) {
                this.userInfoReadyCallback(res)
              }
            }
          })
        }
      }
    })
  },
  globalData: {
    userInfo: null
  }
})

app.json
{
  "pages":[
    "pages/welcome/welcome",
    "pages/index/index",
    "pages/powerdata/powerdata",
    "pages/powercontrol/powercontrol",
    "pages/location/location"
  ],
  "window":{
    "backgroundTextStyle":"light",
    "navigationBarBackgroundColor": "-sharpfff",
    "navigationBarTitleText": "BMS",
    "navigationBarTextStyle":"black"
  }
}

app.wxss
.container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 200rpx 0;
  box-sizing: border-box;
}