fix: 修复 tabBar icon 使用网络图片编译报错的问题

[Darmody]

fix #697

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit cc30d54:

Sandbox	Source
xenodochial-field-9uqsh	Configuration

[codecov]

Codecov Report

Merging #700 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #700   +/-   ##
=======================================
  Coverage   95.33%   95.33%           
=======================================
  Files         281      281           
  Lines        2915     2915           
  Branches      391      394    +3     
=======================================
  Hits         2779     2779           
  Misses        136      136

Impacted Files	Coverage Δ
packages/remax-wechat/src/node/index.ts	100% <100%> (ø)	⬆️
packages/remax-alipay/src/node/index.ts	100% <100%> (ø)	⬆️
packages/remax-toutiao/src/node/index.ts	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update cdabbdf...cc30d54. Read the comment docs.