Problem 1: Details. After vsCode is opened, because it is used for the first time, it needs to be installed first.

Methods:

1. NPM install => Install

2. NPM run dev => run/(run locally) NPM run dev — –port 8080 –host 192.168.181.110

Problem 2: Switching from package mode to development mode

Methods:

1. Modify the first part

2. Modify the second part

3. Modification in the third place (the specific situation is modified as above)

Save it and run it. Done!