WeChat developer tools the permission value is offline verifying exception

Error: 

Call the WeChat JS-SDK in the front end of the WeChat developer tool, such as uploading pictures, scanning, etc.

Reason: Not called under your official account, and the permissions are limited.

solve:

Step 1: Open the WeChat developer tool, select the official account, copy the address below and put it in the address bar to open it, it may be stuck and requested twice and wait for a while.

https://www.weixinsxy.com/jssdk/ (just use this)
http://demo.open.weixin.qq.com/jssdk (this seems useless)

Step 2: Enter your own access address in the address bar and request

http://localhost:8090/

Enough

Reference: How to debug WeChat api through WeChat developer tools or solve the bug problem of "the permission value is offline verifying" during debugging 
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Original link: https://blog.csdn.net/qq_39276317/article/details/106573960