feat(config): modify download.js

[CHWYH]

Checklist:

• test cases has added or updated
• documentation has added or updated
• commit message follows the convention commit guidelines

[codecov-io]

Codecov Report

Merging #245 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #245   +/-   ##
=======================================
  Coverage   39.95%   39.95%           
=======================================
  Files          49       49           
  Lines        2841     2841           
=======================================
  Hits         1135     1135           
  Misses       1706     1706

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