Business background
 use  wepy  to develop Mini Program 
 for the first time, you need to use  md5 > encrypt data and then request remote data 
 install  js-md5  
 through  npm , but cannot reference this package through  require  in the project. 
directory structure
site directory
...
node_modules
dist
  ...
  npm
    ...
src
  ...
  pages
  public
    ...
    js
      api.js
  app.wpyrelated codes
npm
npm install js-md5 --saveapi.js
const md5 = require("js-md5")error content
 after  wepy build-- watch  is executed on the terminal, Mini Program"s development tool reports the following error when compiling 
thirdScriptError 
 sdk uncaught third Error 
 module "npm/js-md5/src/md5.js" is not defined 
 Error: module "npm/js-md5/src/md5.js" is not definedtry
-  you can manually put the package downloaded by npm into the dist/npmdirectory .
-  or use the relative path to navigate to js-md5.jsthis file can also be
question
 how do I make  wepy  automatically compile dependent packages under the  dist/npm  directory? 
 take a look at  wepy.cnfig.js  where it doesn"t seem to be set 
